[Bug] Unexpected model downgrade to Opus 4.8 during C code generation
Status Open
Reported on v2.1.274
Maintainer reply None cached
Activity 0 comments · opened Sep 18, 2026
Bug Description
i am writing c code why are you downgrading me to opus 4.8 ?
Environment Info
- Platform: win32
- Terminal: windows-terminal
- Version: 2.1.274
- Feedback ID: 7ba8af7b-ef4e-4f96-8df3-11c15cd646d6
Errors
[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=560 messages=557 range=[521,560))\n at D7t (B:/~BUN/root/chunk-6wq91xrg.js:37:30963)\n at Lke (B:/~BUN/root/chunk-6wq91xrg.js:37:21857)\n at nu (B:/~BUN/root/chunk-y6sv21ep.js:18:20036)\n at gu (B:/~BUN/root/chunk-y6sv21ep.js:18:38202)\n at Cm (B:/~BUN/root/chunk-y6sv21ep.js:18:84284)\n at Bg (B:/~BUN/root/chunk-y6sv21ep.js:18:83284)\n at Uu (B:/~BUN/root/chunk-y6sv21ep.js:18:83113)\n at ym (B:/~BUN/root/chunk-y6sv21ep.js:18:79637)\n at ct (B:/~BUN/root/chunk-y6sv21ep.js:18:6261)\n at Jn (B:/~BUN/root/chunk-y6sv21ep.js:18:4792)","timestamp":"2026-09-18T13:01:33.771Z"}]