[GitHub] [beam] lukecwik commented on a change in pull request #13015: [BEAM-10670] Improve messaging in CHANGES.md giving clearer instructions to users.

[GitBox <gi...@apache.org>]

lukecwik commented on a change in pull request #13015:
URL: https://github.com/apache/beam/pull/13015#discussion_r500453246



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File path: CHANGES.md
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@@ -80,7 +80,7 @@
 
 ## Highlights
 
-* Splittable DoFn is opt-out for Java based runners (Direct, Flink, Jet, Samza, Twister2) using `--experiments=use_deprecated_read`. For all other runners, users can opt-in using `--experiments=use_sdf_read`. (Java) ([BEAM-10670](https://issues.apache.org/jira/browse/BEAM-10670))
+* Splittable DoFn is now the default for executing the Read transform for Java based runners (Direct, Flink, Jet, Samza, Twister2). Users can opt-out using `--experiments=use_deprecated_read`. The Apache Beam community is looking for feedback for this change as the community is planning to make this change permanent with no opt-out. If you run into an issue requiring the opt-out, please send an e-mail to [user@beam.apache.org](mailto:user@beam.apache.org) specifically referencing BEAM-10670 in the subject line and why you needed to opt-out. (Java) ([BEAM-10670](https://issues.apache.org/jira/browse/BEAM-10670))

Review comment:
       Done




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