danielewood opened a new pull request #14891:
URL: https://github.com/apache/superset/pull/14891
### SUMMARY
Could not build docker image on arm64 (Oracle Cloud A1) with current master.
Bumped pyarrow from 3.0.0 to 4.0.0 and now it builds with no issues.
This patch means that superset can probably now run on a 64bit Raspberry Pi
4.
### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
Before:
```make
Building wheel for pyarrow (PEP 517): started
Building wheel for pyarrow (PEP 517): finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /usr/local/bin/python
/usr/local/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py
build_wheel /tmp/tmprvqae40j
cwd:
/tmp/pip-install-m5v1__qr/pyarrow_9a6b8b5a74ea4aafb0ee5dfe67163556
Complete output (182 lines):
running bdist_wheel
running build
running build_py
creating build
creating build/lib.linux-aarch64-3.7
creating build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/util.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/parquet.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/dataset.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/compat.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/pandas_compat.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/types.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_generated_version.py ->
build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/flight.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/fs.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/plasma.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/json.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/benchmark.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/compute.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/orc.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/feather.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/serialization.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/filesystem.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/jvm.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/cffi.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/hdfs.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/__init__.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/csv.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/ipc.py -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/cuda.py -> build/lib.linux-aarch64-3.7/pyarrow
creating build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_scalars.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_io.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_filesystem.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/util.py -> build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_dataset.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_ipc.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_serialization.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_adhoc_memory_leak.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_plasma.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_builder.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_csv.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_serialization_deprecated.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_deprecations.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_flight.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_memory.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_table.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_compute.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_types.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_jvm.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/conftest.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_orc.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_strategies.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_feather.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_misc.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_cffi.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_tensor.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_plasma_tf_op.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_fs.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/pandas_threaded_import.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/__init__.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_sparse_tensor.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_json.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_convert_builtin.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_schema.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_cython.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_cuda_numba_interop.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/deserialize_buffer.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/pandas_examples.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_gandiva.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_hdfs.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_array.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_extension_type.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/arrow_7980.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_pandas.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/test_cuda.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
copying pyarrow/tests/strategies.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests
running egg_info
writing pyarrow.egg-info/PKG-INFO
writing dependency_links to pyarrow.egg-info/dependency_links.txt
writing entry points to pyarrow.egg-info/entry_points.txt
writing requirements to pyarrow.egg-info/requires.txt
writing top-level names to pyarrow.egg-info/top_level.txt
reading manifest file 'pyarrow.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no files found matching '../LICENSE.txt'
warning: no files found matching '../NOTICE.txt'
warning: no previously-included files matching '*.so' found anywhere in
distribution
warning: no previously-included files matching '*.pyc' found anywhere in
distribution
warning: no previously-included files matching '*~' found anywhere in
distribution
warning: no previously-included files matching '#*' found anywhere in
distribution
warning: no previously-included files matching '.git*' found anywhere in
distribution
warning: no previously-included files matching '.DS_Store' found anywhere
in distribution
no previously-included directories found matching '.asv'
writing manifest file 'pyarrow.egg-info/SOURCES.txt'
copying pyarrow/__init__.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_compute.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_compute.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_csv.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_csv.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_cuda.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_cuda.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_dataset.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_flight.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_fs.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_fs.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_hdfs.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_json.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_orc.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_orc.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_parquet.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_parquet.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_plasma.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/_s3fs.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/array.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/benchmark.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/builder.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/compat.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/config.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/error.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/feather.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/gandiva.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/io-hdfs.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/io.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/ipc.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/lib.pxd -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/lib.pyx -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/memory.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/pandas-shim.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/public-api.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/scalar.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/serialization.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/table.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/tensor.pxi -> build/lib.linux-aarch64-3.7/pyarrow
copying pyarrow/types.pxi -> build/lib.linux-aarch64-3.7/pyarrow
creating build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/__init__.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/common.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libarrow.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libarrow_cuda.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libarrow_dataset.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libarrow_flight.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libarrow_fs.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libgandiva.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
copying pyarrow/includes/libplasma.pxd ->
build/lib.linux-aarch64-3.7/pyarrow/includes
creating build/lib.linux-aarch64-3.7/pyarrow/tensorflow
copying pyarrow/tensorflow/plasma_op.cc ->
build/lib.linux-aarch64-3.7/pyarrow/tensorflow
copying pyarrow/tests/pyarrow_cython_example.pyx ->
build/lib.linux-aarch64-3.7/pyarrow/tests
creating build/lib.linux-aarch64-3.7/pyarrow/tests/data
creating build/lib.linux-aarch64-3.7/pyarrow/tests/data/feather
copying
pyarrow/tests/data/feather/v0.17.0.version=2-compression=lz4.feather ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/feather
creating build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/README.md ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.emptyFile.jsn.gz ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.emptyFile.orc ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.test1.jsn.gz ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.test1.orc ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.testDate1900.jsn.gz ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/TestOrcFile.testDate1900.orc ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/decimal.jsn.gz ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
copying pyarrow/tests/data/orc/decimal.orc ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/orc
creating build/lib.linux-aarch64-3.7/pyarrow/tests/data/parquet
copying pyarrow/tests/data/parquet/v0.7.1.all-named-index.parquet ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/parquet
copying pyarrow/tests/data/parquet/v0.7.1.column-metadata-handling.parquet
-> build/lib.linux-aarch64-3.7/pyarrow/tests/data/parquet
copying pyarrow/tests/data/parquet/v0.7.1.parquet ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/parquet
copying pyarrow/tests/data/parquet/v0.7.1.some-named-index.parquet ->
build/lib.linux-aarch64-3.7/pyarrow/tests/data/parquet
creating build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/common.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/conftest.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_basic.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_data_types.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_dataset.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_datetime.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_metadata.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_pandas.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_parquet_file.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
copying pyarrow/tests/parquet/test_parquet_writer.py ->
build/lib.linux-aarch64-3.7/pyarrow/tests/parquet
running build_ext
creating
/tmp/pip-install-m5v1__qr/pyarrow_9a6b8b5a74ea4aafb0ee5dfe67163556/build/temp.linux-aarch64-3.7
-- Running cmake for pyarrow
cmake -DPYTHON_EXECUTABLE=/usr/local/bin/python
-DPython3_EXECUTABLE=/usr/local/bin/python -DPYARROW_BUILD_CUDA=off
-DPYARROW_BUILD_FLIGHT=off -DPYARROW_BUILD_GANDIVA=off
-DPYARROW_BUILD_DATASET=off -DPYARROW_BUILD_ORC=off -DPYARROW_BUILD_PARQUET=off
-DPYARROW_BUILD_PLASMA=off -DPYARROW_BUILD_S3=off -DPYARROW_BUILD_HDFS=off
-DPYARROW_USE_TENSORFLOW=off -DPYARROW_BUNDLE_ARROW_CPP=off
-DPYARROW_BUNDLE_BOOST=off -DPYARROW_GENERATE_COVERAGE=off
-DPYARROW_BOOST_USE_SHARED=on -DPYARROW_PARQUET_USE_SHARED=on
-DCMAKE_BUILD_TYPE=release
/tmp/pip-install-m5v1__qr/pyarrow_9a6b8b5a74ea4aafb0ee5dfe67163556
error: command 'cmake' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for pyarrow
```
After:
```make
Running setup.py develop for apache-superset
Successfully installed aiohttp-3.7.2 alembic-1.4.3 amqp-2.6.1
apache-superset apispec-3.3.2 async-timeout-3.0.1 attrs-20.2.0 babel-2.8.0
backoff-1.10.0 billiard-3.6.3.0 bleach-3.2.1 boto3-1.16.10 botocore-1.19.10
brotli-1.0.9 cached-property-1.5.2 cachelib-0.1.1 celery-4.4.7
certifi-2020.6.20 cffi-1.14.3 chardet-3.0.4 click-7.1.2 colorama-0.4.4
contextlib2-0.6.0.post1 convertdate-2.3.0 cron-descriptor-1.2.24
croniter-0.3.36 cryptography-3.2.1 decorator-4.4.2 defusedxml-0.6.0
deprecated-1.2.11 dnspython-2.0.0 email-validator-1.1.1 et-xmlfile-1.0.1
flask-1.1.2 flask-appbuilder-3.3.0 flask-babel-1.0.0 flask-caching-1.9.0
flask-compress-1.8.0 flask-cors-3.0.9 flask-jwt-extended-3.24.1
flask-login-0.4.1 flask-migrate-2.5.3 flask-openid-1.2.5 flask-sqlalchemy-2.4.4
flask-talisman-0.7.0 flask-wtf-0.14.3 future-0.18.2 geographiclib-1.50
geopy-2.0.0 graphlib-backport-1.0.3 gunicorn-20.0.4 holidays-0.10.3
humanize-3.1.0 idna-2.10 ijson-3.1.2.post0 importlib-metadata-2.1.1
isodate-0.6.0 itsd
angerous-1.1.0 jdcal-1.4.1 jinja2-2.11.3 jmespath-0.10.0 jsonlines-1.2.0
jsonschema-3.2.0 kombu-4.6.11 korean-lunar-calendar-0.2.1 linear-tsv-1.1.0
mako-1.1.3 markdown-3.3.3 markupsafe-1.1.1 marshmallow-3.9.0
marshmallow-enum-1.5.1 marshmallow-sqlalchemy-0.23.1 msgpack-1.0.0
multidict-5.0.0 mysqlclient-1.4.2.post1 natsort-7.0.1 numpy-1.19.4
openpyxl-3.0.5 packaging-20.4 pandas-1.2.2 parsedatetime-2.6 pathlib2-2.3.5
pgsanity-0.2.9 pillow-7.2.0 polyline-1.4.0 prison-0.1.3 psycopg2-binary-2.8.5
py-1.9.0 pyarrow-4.0.0 pycparser-2.20 pydruid-0.6.1 pygithub-1.54.1
pyhive-0.6.3 pyjwt-1.7.1 pymeeus-0.3.7 pyparsing-2.4.7 pyrsistent-0.16.1
python-dateutil-2.8.1 python-dotenv-0.15.0 python-editor-1.0.4
python-geohash-0.8.5 python3-openid-3.2.0 pytz-2020.4 pyyaml-5.4.1 redis-3.5.3
requests-2.24.0 retry-0.9.2 rfc3986-1.4.0 s3transfer-0.3.3 sasl-0.2.1
selenium-3.141.0 simplejson-3.17.2 six-1.15.0 slackclient-2.5.0
sqlalchemy-1.3.20 sqlalchemy-utils-0.36.8 sqlparse-0.3.0 tableschema-1.20.0
tabulat
or-1.52.5 thrift-0.13.0 thrift-sasl-0.4.2 typing-extensions-3.7.4.3
unicodecsv-0.14.1 urllib3-1.25.11 vine-1.3.0 webencodings-0.5.1 werkzeug-1.0.1
wrapt-1.12.1 wtforms-2.3.3 wtforms-json-0.3.3 xlrd-1.2.0 yarl-1.6.2 zipp-3.4.1
```
### TESTING INSTRUCTIONS
Ran all the integration tests and E2E tests with no issues.
Currently running a test instance on aarch64 and amd64 with these changes,
I have yet to find anything broken.
### ADDITIONAL INFORMATION
<!--- Check any relevant boxes with "x" -->
<!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->
- [x] Has associated issue: Fixes #8688 for arm64/aarch64
- [ ] Changes UI
- [ ] Includes DB Migration (follow approval process in
[SIP-59](https://github.com/apache/superset/issues/13351))
- [ ] Migration is atomic, supports rollback & is backwards-compatible
- [ ] Confirm DB migration upgrade and downgrade tested
- [ ] Runtime estimates and downtime expectations provided
- [ ] Introduces new feature or API
- [ ] Removes existing feature or API
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