Changelog changedcowork/changelog
Nearest release: v2.1.293, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 7 Oct 2026 18:16 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 7 Oct 2026 18:37 UTC.
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409409</Update>
410410
411411<Update label="Resolved: Cowork on Windows" description="2026-09-14">
412 Microsoft has released a Windows update that fixes the issue where Cowork could not reach your files on Windows PCs. Install the latest Windows update and restart your PC. On Windows 11 24H2 and 25H2 the fix is [KB5129195](https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update). No Claude Desktop update is needed.
412 Microsoft has released a Windows update that fixes the issue where Cowork could not reach your files on Windows PCs. Install the latest Windows update and restart your PC. On Windows 11 24H2 and 25H2 the fix is [KB5129195](https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update). On Windows 11 23H2 the fix is [KB5129242](https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129242-windows-11-23h2-update). On Windows 10 21H2 and 22H2 the fix is [KB5129236](https://support.microsoft.com/en-us/servicing/os/windows-10/2026/09/kb5129236-windows-10-21h2-22h2-update). No Claude Desktop update is needed.
413413</Update>
414414
415415<Update label="v1.52386.6" description="2026-09-13">
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