DOC: document column attrs with Copy-on-Write#65645
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| **Column attributes cannot be used to store column-level metadata** | ||
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| ``DataFrame.attrs`` and ``Series.attrs`` remain available for metadata on the | ||
| object itself. With CoW, setting ``attrs`` on a ``Series`` returned by selecting |
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This is unrelated to CoW, it’s the removal of the item_cache
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Closes #64711
Series.attrsis not supported for column-level metadataDataFrame.attrsor in a separate metadata objectChecks:
git diff --checkpython3content assertion for the new migration-guide note