The upgrade feature in launcher-based versions (25.07 to 25.09.4) cannot be used to upgrade to 26.05 due to packaging changes. If you try Tools>Upgrade/Downgrade or get an update notification (you’ll only get a notification currently if you’re not on 25.09.4 but the launcher will still try to download 26.05 instead), you might see this error:
x No solution found when resolving dependencies for split (python_full_version == '3.9.*'):
`-> Because the requested Python version (>=3.9) does not satisfy Python>=3.10 and anki==26.5 depends on
Python>=3.10, we can conclude that anki==26.5 cannot be used.
And because your project depends on anki==26.5, we can conclude that your project's requirements are
unsatisfiable.
To upgrade, please download the release from Release 26.05 · ankitects/anki · GitHub and replace your existing installation.
Note: scroll down until you see Assets:
- anki-26.05-linux-aarch64.tar.zst → Linux ARM
- anki-26.05-linux-x86_64.tar.zst → Linux
anki-26.05-mac-apple.dmg → Apple M1+ (Install this)- anki-26.05-mac-intel.dmg → Apple with Intel <=2019
- anki-26.05-win-arm64.msi → Windows ARM
- anki-26.05-win-x64.msi → Windows (Install this)
UPDATE: 25.09.5 has been released to address the issue. The launcher now defaults to 25.09.5 and Anki shows a notice about updating to 26.05 - This will no longer apply after we make more releases, as the old updater will try to get the latest 26.x release and start to fail again with the same error.