Last read and last modification past millisecond

[klonuo]

← Edit frontend/package.json 
Error: File /frontend/package.json has been modified since it was last read.
Last modification: 2026-01-05T23:29:26.516Z
Last read: 2026-01-05T23:29:26.194Z
Please read the file again before modifying it.

This happens quite too often, and it seems that last read is somehow milliseconds past last modified, while the model made the modification obviously.

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• [Tracking] Edit tool reliability: "modified since last read" errors (Undo/Redo & Persistence) #5840: [Tracking] Edit tool reliability: "modified since last read" errors (Undo/Redo & Persistence) - This is a tracking issue that covers the exact error you're experiencing with the Edit tool rejecting operations due to file modification timestamp conflicts.

Feel free to ignore if none of these address your specific case.

[rekram1-node]

@klonuo are u on wsl or windows?

[klonuo]

Yes, WSL :)

[kfuglsang]

Im getting this quite a lot on Windows as well - but without WSL.

[acidnik]

i'm getting this on linux

[lord-carlos]

I'm getting this on windows without WSL as well. Only opencode has the file open, no other tool.

[klonuo]

@lord-carlos you can use OPENCODE_DISABLE_FILETIME_CHECK env var, more info: #6581