[GitHub] [airflow] kaxil commented on a change in pull request #15811: Add v2.1 changelog

Fri, 14 May 2021 17:31:07 -0700 


kaxil commented on a change in pull request #15811:
URL: https://github.com/apache/airflow/pull/15811#discussion_r632868341



##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)

Review comment:
       ```suggestion
   - Add ``worker_pod_pending_timeout`` support (#15263)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)
+- extra docker-py update to resolve docker op issues (#15731)
+- Ensure executors end method is called (#14085)
+- Remove user_id from API schema (#15117)
+- Removes references to directory that no longer exists (#15083)
+- Prevent clickable bad links on disabled pagination (#15074)
+- Acquire lock on db for the time of migration (#10151)
+- Skip SLA check only if SLA is None (#14064)
+- Print right version in airflow info command (#14560)
+- Make ``airflow info`` work with pipes (#14528)
+- Rework client-side script for connection form. (#14052)
+- Add CollectionInfo in all Collections that have total_entries (#14366)

Review comment:
       ```suggestion
   - API: Add ``CollectionInfo`` in all Collections that have ``total_entries`` 
(#14366)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)

Review comment:
       ```suggestion
   - Fix timeout when using XCom with ``KubernetesPodOperator`` (#15388)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)

Review comment:
       ```suggestion
   - Add ``SubprocessHook`` for running commands from operators (#13423)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)

Review comment:
       ```suggestion
   - Add ``PythonVirtualenvDecorator`` to Taskflow API (#14761)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)

Review comment:
       ```suggestion
   - Rename ``DateTimeBranchOperator`` to ``BranchDateTimeOperator`` (#14720)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)

Review comment:
       ```suggestion
   - Update ``KubernetesExecutor`` pod templates to allow access to IAM 
permissions (#15669)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)

Review comment:
       ```suggestion
   - A bunch of ``template_fields_renderers`` additions (#15130)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)

Review comment:
       ```suggestion
   - Remove duplicate call to ``sync_metadata`` inside 
``DagFileProcessorManager`` (#15121)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)

Review comment:
       ```suggestion
   - API: Raise ``AlreadyExists`` exception when the ``execution_date`` is same 
(#15174)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)

Review comment:
       ```suggestion
   - Auto-apply ``apply_default`` to subclasses of ``BaseOperator`` (#15667)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)

Review comment:
       ```suggestion
   - BashOperator to raise ``AirflowSkipException`` on exit code 99 (by 
default, configurable) (#13421) (#14963)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)

Review comment:
       ```suggestion
   - Increase default ``worker_refresh_interval`` to ``6000`` seconds (#14970)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)

Review comment:
       ```suggestion
   - Add ``WeekDayBranchOperator`` (#13997)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)

Review comment:
       ```suggestion
   - Correct typo in ``GCSObjectsWtihPrefixExistenceSensor``  (#14179)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)

Review comment:
       ```suggestion
   - Fix four bugs in ``StackdriverTaskHandler`` (#13784)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)

Review comment:
       this too can be removed

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)

Review comment:
       ```suggestion
   - Fix critical ``CeleryKubernetesExecutor`` bug (#13247)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)
+- extra docker-py update to resolve docker op issues (#15731)
+- Ensure executors end method is called (#14085)
+- Remove user_id from API schema (#15117)

Review comment:
       ```suggestion
   - Remove ``user_id`` from API schema (#15117)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)

Review comment:
       This too can be removed

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)
+- extra docker-py update to resolve docker op issues (#15731)
+- Ensure executors end method is called (#14085)
+- Remove user_id from API schema (#15117)
+- Removes references to directory that no longer exists (#15083)
+- Prevent clickable bad links on disabled pagination (#15074)
+- Acquire lock on db for the time of migration (#10151)
+- Skip SLA check only if SLA is None (#14064)
+- Print right version in airflow info command (#14560)
+- Make ``airflow info`` work with pipes (#14528)
+- Rework client-side script for connection form. (#14052)
+- Add CollectionInfo in all Collections that have total_entries (#14366)
+
+Doc only changes
+""""""""""""""""
+
+- Fix docstring of SqlSensor (#15466)
+- Small changes on "DAGs and Tasks documentation" (#14853)
+- Add note on changes to configuration options (#15696)
+- Add docs to the markdownlint and yamllint config files (#15682)
+- Rename old "Experimental" API to deprecated in the docs. (#15653)
+- Fix documentation error in `git_sync_template.yaml` (#13197)
+- Fix doc link permission name (#14972)
+- Fix link to Helm chart docs (#14652)
+- Fix docstrings for Kubernetes code (#14605)
+- docs: Capitalise & minor fixes (#14283) (#14534)
+- Fixed reading from zip package to default to text. (#13984)
+- Fix spellings (#13867)

Review comment:
       can be removed -- generally I tend to removed "spelling/typo" ones -- 
ones that are not CHANGELOG-worthy

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)
+- extra docker-py update to resolve docker op issues (#15731)
+- Ensure executors end method is called (#14085)
+- Remove user_id from API schema (#15117)
+- Removes references to directory that no longer exists (#15083)

Review comment:
       Can be removed

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)
+- Fix order of failed deps (#14036)
+- Fix critical CeleryKubernetesExecutor bug (#13247)
+- Fix four bugs in StackdriverTaskHandler (#13784)
+- ``func.sum`` may return ``Decimal`` that break rest APIs (#15585)
+- Persist tags params in pagination (#15411)
+- API: Raise `AlreadyExists` exception when the execution_date is same (#15174)
+- Remove duplicate call to sync_metadata inside DagFileProcessorManager 
(#15121)
+- extra docker-py update to resolve docker op issues (#15731)

Review comment:
       ```suggestion
   - Extra ``docker-py`` update to resolve docker op issues (#15731)
   ```

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)
+- Bugfix: Invalid name when trimmed `pod_id` ends with hyphen in 
``KubernetesPodOperator`` (#15443)
+- Fix incorrect slots stats when TI ``pool_slots > 1`` (#15426)
+- Fix DAG last run link (#15327)
+- fix broken link in experimental API deprecation headers (#13547)
+- Fix typo in task_runner for ``AirflowConfigException`` (#15067)
+- Fix ``sync-perm`` to work correctly when update_fab_perms = False (#14847)
+- Fixes limits on Arrow for plexus test (#14781)
+- Fix UI bugs in tree view (#14566)
+- Fix AzureDataFactoryHook failing to instantiate its connection (#14565)
+- Fix permission error on non-POSIX filesystem (#13121)
+- Fix spelling in "ignorable" (#14348)
+- Fix get_context_data doctest import (#14288)
+- Correct typo in GCSObjectsWtihPrefixExistenceSensor  (#14179)

Review comment:
       tbh this can be removed... it is a typo fix

##########
File path: CHANGELOG.txt
##########
@@ -1,3 +1,212 @@
+Airflow 2.1.0, 2021-05-11
+-------------------------
+
+New Features
+""""""""""""
+
+- Add PythonVirtualenvDecorator to Taskflow API (#14761)
+- Add Taskgroup decorator (#15034)
+- Create a DAG Calendar View (#15423)
+- Create cross-DAG dependencies view (#13199)
+- Add rest API to query for providers (#13394)
+- Mask passwords and sensitive info in task logs and UI (#15599)
+- Add SubprocessHook for running commands from operators (#13423)
+- Add DAG Timeout in UI page "DAG Details" (#14165)
+- Add WeekDayBranchOperator (#13997)
+- Add JSON linter to DAG Trigger UI (#13551)
+- Add DAG Description Doc to Trigger UI Page (#13365)
+- Add airflow webserver URL into SLA miss email. (#13249)
+- Add readonly REST API endpoints for users (#14735)
+- Add files to generate Airflow's Python SDK (#14739)
+- Add dynamic fields to snowflake connection (#14724)
+- Add readonly REST API endpoint for roles and permissions (#14664)
+- Add new datetime branch operator (#11964)
+- Add Google leveldb hook and operator (#13109) (#14105)
+- Add plugins endpoint to the REST API (#14280)
+- Add worker_pod_pending_timeout support (#15263)
+- Add support for labelling DAG edges (#15142)
+- Add CUD REST API endpoints for Roles (#14840)
+- Import connections from a file (#15177)
+- A bunch of template_fields_renderers additions (#15130)
+- Add REST API query sort and order to some endpoints (#14895)
+- Add timezone context in new ui (#15096)
+- Add query mutations to new UI (#15068)
+- Add different modes to sort dag files for parsing (#15046)
+- Auto refresh on Tree View (#15474)
+- BashOperator to raise AirflowSkipException on exit code 99 (by default, 
configurable) (#13421) (#14963)
+- Clear tasks by task ids in REST API (#14500)
+- Support jinja2 native Python types (#14603)
+- Allow celery workers without gossip or mingle modes (#13880)
+- Add ``airflow jobs check`` CLI command to check health of jobs (Scheduler 
etc) (#14519)
+- Rename DateTimeBranchOperator to BranchDateTimeOperator (#14720)
+
+Improvements
+""""""""""""
+
+- Update Flask App Builder limit to recently released 3.3 (#15792)
+- Prevent creating flask sessions on REST API requests (#15295)
+- Sync DAG specific permissions when parsing (#15311)
+- Increase maximum length of pool name on Tasks to 256 characters (#15203)
+- Enforce READ COMMITTED isolation when using mysql (#15714)
+- Auto-apply apply_default to subclasses of BaseOperator (#15667)
+- Emit error on duplicated DAG ID (#15302)
+- Update KubeExecutor pod templates to allow access to IAM permissions (#15669)
+- More verbose logs when running ``airflow db check-migrations`` (#15662)
+- When one_success mark task as failed if no success (#15467)
+- Add an option to trigger a dag w/o changing conf (#15591)
+- Add Airflow UI instance_name configuration option (#10162)
+- Add a decorator to retry functions with DB transactions (#14109)
+- Add return to PythonVirtualenvOperator's execute method (#14061)
+- Add verify_ssl config for kubernetes (#13516)
+- Add description about ``secret_key`` when Webserver > 1 (#15546)
+- Add Traceback in LogRecord in ``JSONFormatter`` (#15414)
+- Add support for arbitrary json in conn uri format (#15100)
+- Adds description field in variable (#12413) (#15194)
+- Add logs to show last modified in SFTP, FTP and Filesystem sensor (#15134)
+- Execute ``on_failure_callback`` when SIGTERM is received (#15172)
+- Allow hiding of all edges when highlighting states (#15281)
+- Display explicit error in case UID has no actual username (#15212)
+- Serve logs with Scheduler when using Local or Sequential Executor (#15557)
+- Deactivate trigger, refresh, and delete controls on dag detail view. (#14144)
+- Turn off autocomplete for connection forms (#15073)
+- Increase default `worker_refresh_interval` to `6000` seconds (#14970)
+- Only show User's local timezone if it's not UTC (#13904)
+- Suppress LOG/WARNING for a few tasks CLI for better CLI experience (#14567)
+- Configurable API response (CORS) headers (#13620)
+- Allow viewers to see all docs links (#14197)
+- Update Tree View date ticks (#14141)
+- Make the tooltip to Pause / Unpause a DAG clearer (#13642)
+- Warn about precedence of env var when getting variables (#13501)
+- Move ``[celery] default_queue`` config to ``[operators] default_queue`` to 
re-use between executors  (#14699)
+
+Bug Fixes
+"""""""""
+
+- Ensure that task preceeding a PythonVirtualenvOperator doesn't fail (#15822)
+- Prevent mixed case env vars from crashing processes like worker (#14380)
+- Fixed type annotations in DAG decorator (#15778)
+- Fix on_failure_callback when task receive SIGKILL (#15537)
+- Fix dags table overflow (#15660)
+- Fix changing the parent dag state on subdag clear (#15562)
+- Fix reading from zip package to default to text (#13962)
+- Fix wrong parameter for drawDagStatsForDag() in dags.html (#13884)
+- Fix QueuedLocalWorker crashing with EOFError (#13215)
+- Fix typo in ``NotPreviouslySkippedDep`` (#13933)
+- Fix parallelism after KubeExecutor pod adoption (#15555)
+- Fix kube client on mac with keepalive enabled (#15551)
+- Fixes wrong limit for dask for python>3.7 (should be <3.7) (#15545)
+- Fix Task Adoption in ``KubernetesExecutor`` (#14795)
+- Fix timeout when using XCom with KubernetesPodOperator (#15388)
+- Fix deprecated provider aliases in "extras" not working (#15465)
+- Fixed default XCom deserialization. (#14827)
+- Fix used_group_ids in ``dag.partial_subset`` (#13700) (#15308)
+- Further fix trimmed `pod_id` for `KubernetesPodOperator` (#15445)

Review comment:
       ```suggestion
   - Further fix trimmed ``pod_id`` for ``KubernetesPodOperator`` (#15445)
   ```




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