Rank, 14 days: 50 on the Claude Code sheet
3 people reported
All time, since Nov 10, including 2 thumbs-up on GitHub.
Opus 5.5 misreads code and instructions in existing codebases
“Code: it asserts how the code behaves without reading the relevant paths, then reverses itself when challenged.”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/claude-code/issues/27413/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
Asserts how code behaves without reading the relevant paths, misreads explicit instructions, and takes outward-facing actions without the confirmation the user's rules require.
Is this your bug?
File my report- Where
- Opus 5.5 model
- How bad
- Security risk: something exposed, or done without permission.
Original reports1, newest first
- Opus 5.5: major quality drop in reading code and following text#108752