Lee-W commented on code in PR #68938:
URL: https://github.com/apache/airflow/pull/68938#discussion_r3472349402


##########
airflow-core/docs/authoring-and-scheduling/language-sdks/java.rst:
##########
@@ -669,6 +687,36 @@ All ``kwargs`` in the ``coordinators`` config entry are 
passed to the
      - Seconds to wait for the JVM subprocess to connect after launch.  
Increase this if your
        JVM startup is slow (e.g. on constrained hardware or with a large 
classpath).
 
+.. note::
+
+  The ``[sdk]`` configuration is read at startup, so changes to 
``coordinators`` or
+  ``queue_to_coordinator`` (for example adding ``jvm_args``) only take effect 
after you restart the
+  scheduler (or ``airflow standalone``). A rebuilt bundle JAR, by contrast, is 
picked up on the next
+  task launch without a restart, because a fresh JVM is spawned per task 
instance.
+
+.. _java-sdk/macos:
+
+macOS setup
+-----------
+
+On macOS, pin ``java_executable`` to an absolute path. Homebrew does not 
symlink the JDK onto

Review Comment:
   This kinda assume everyone's using homebrew. I feel it's not true nowadays 
(even though I'm using). I'd suggest we rephrase it as, `if you're using 
homebrew, then...`



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