For the full list of changes, check out the Webiny 6.4.2external link release on GitHub.

Headless CMS
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Fixed Publishing a Previously Unpublished Revision (#5268external link)
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When a published CMS entry revision was unpublished and then you attempted to publish it again, the operation would fail because the record was incorrectly marked as locked. This has been fixed — you can now re-publish previously unpublished revisions without issues.

Admin
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Fixed Date Formatting Compatibility (#5270external link)
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Relative date formatting (e.g., “2 hours ago”) in the Admin UI was using the Temporal API, which isn’t fully supported across all browsers. This has been replaced with a more compatible implementation to ensure consistent behavior.