(beam) branch master updated: Add cloudpickle default to changes.md. (#34904)

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damccorm pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 4c59b6a736d Add cloudpickle default to changes.md. (#34904)
4c59b6a736d is described below

commit 4c59b6a736d26b789f3cd0bb08ca81d9c5b25579
Author: claudevdm <33...@users.noreply.github.com>
AuthorDate: Fri May 9 12:03:25 2025 -0400

    Add cloudpickle default to changes.md. (#34904)
---
 CHANGES.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index bb0dae00b46..099e2fe48db 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -112,6 +112,10 @@
 
 ## Breaking Changes
 
+* [Python] Cloudpickle is set as the default `pickle_library`, where previously
+  dill was the default in [#34695](https://github.com/apache/beam/pull/34695).
+  For known issues, reporting new issues, and understanding cloudpickle
+  behavior refer to [#34903](https://github.com/apache/beam/issues/34903).
 * [Python] Reshuffle now preserves PaneInfo, where previously PaneInfo was lost
   after reshuffle. To opt out of this change, set the
   update_compatibility_version to a previous Beam version e.g. "2.64.0".