[Bug] Model unexpectedly switches to Opus without user request
Status Fixed / completed
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Jul 28, 2026 · closed Aug 14, 2026
Bug Description
Fable changed context to Opus even though I did not ask anything about cyber security, or suspicious in any kind.
Environment Info
- Platform: win32
- Terminal: vscode
- Version: 2.1.220
- Feedback ID: 34026ea6-52da-44bb-a958-1bf00c2db4fb
Errors
[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=222 messages=221 range=[168,222))\n at Gzb (B:/~BUN/root/src/entrypoints/cli.js:21739:8188)\n at Hhf (B:/~BUN/root/src/entrypoints/cli.js:21739:1103)\n at no (B:/~BUN/root/src/entrypoints/cli.js:2061:21369)\n at DA (B:/~BUN/root/src/entrypoints/cli.js:2061:40466)\n at q3 (B:/~BUN/root/src/entrypoints/cli.js:2061:51400)\n at Mne (B:/~BUN/root/src/entrypoints/cli.js:2061:89060)\n at ULe (B:/~BUN/root/src/entrypoints/cli.js:2061:88007)\n at Wge (B:/~BUN/root/src/entrypoints/cli.js:2061:87827)\n at nQ (B:/~BUN/root/src/entrypoints/cli.js:2061:84091)\n at Rt (B:/~BUN/root/src/entrypoints/cli.js:2061:6668)","timestamp":"2026-07-27T21:01:28.475Z"}]