LocalAI
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v3.5.0 MacOS installer is broken on Apple M series
LocalAI version:
3.5.0 MacOS dmg
Environment, CPU architecture, OS, and Version:
Apple M3 Ultra
% uname -a
Darwin redacted 24.6.0 Darwin Kernel Version 24.6.0: Mon Jul 14 11:30:55 PDT 2025; root:xnu-11417.140.69~1/RELEASE_ARM64_T6031 arm64
Describe the bug
The LocalAI executable provided in the v3.5.0 MacOS disk image returns the following error:
"LocalAI" is damaged and can't be opened.
At least one other user is reporting an issue with installing via disk image in the following Reddit thread: https://old.reddit.com/r/LocalLLaMA/comments/1ngw3sb/project_update_localai_v350_is_out_huge_update/ne9h69p/
To Reproduce
- Download current MacOS disk image: https://github.com/mudler/LocalAI/releases/download/v3.5.0/LocalAI.dmg
- Open the downloaded disk image.
- Drag
LocalAIinto the Applications folder. (note: that something already looks off at this point, most disk images render the two icons centered)
- Attempt to run the dragged program. Note error dialog.
Expected behavior
The program starts normally.
Additional context
The MacOS releases are not signed yet, we have #6244 open for it - as documented in the release notes https://github.com/mudler/LocalAI/releases/tag/v3.5.0 :
Please note: The launcher is in Alpha and may have bugs. The macOS build requires workarounds to run due to binaries not yet signed, and specific steps for running it are needed: https://discussions.apple.com/thread/253714860?answerId=257037956022#257037956022.
Whoops! I had checked the Quickstart docs and the top-level README.md but missed that one, thanks.
In fairness, I don't think most new users will be drilling into tagged releases on Github. Many will link to the MacOS download directly via its link on the two pages I mentioned, and not realize that the install method was added in the most recent release. Probably a moot point if you're trying to fix this quickly though.
Came here because it wasn't working as well. Probably helpful to put it earlier in the README.