Add changelog

dstansby · dstansby · commit 4dd3f7ecdbfd · 2025-08-24T10:16:39.000+01:00
diff --git a/changes/3307.bugfix.rst b/changes/3307.bugfix.rst
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+Opening an array or group with ``mode="r+"`` will no longer create new arrays or groups.

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	`1`	+Opening an array or group with ``mode="r+"`` will no longer create new arrays or groups.