Agent Breaking Changes_

← OpenCode

OpenCode v1.18.12

2026-08-04 · official notes

Summary

• Fixed Azure GPT-5.5+ completion requests failing when reasoning is enabled. (@frederiknsgo)
• Reduced composer lag when drafts include large pasted images or attachments.
• Let project search match any known recent project instead of only the first five. (@NumerousJLs)

Full notes

## Core
### Bugfixes
- Fixed Azure GPT-5.5+ completion requests failing when reasoning is enabled. (@frederiknsgo)

## Desktop
### Bugfixes
- Reduced composer lag when drafts include large pasted images or attachments.
- Let project search match any known recent project instead of only the first five. (@NumerousJLs)
- Cleared stale assistant errors from the timeline once the same turn resumes streaming.
- Skipped legacy config reads against v2 servers to avoid spurious config loading issues. (@resetsix)

**Thank you to 4 community contributors:**
- @resetsix:
  - fix(app): skip legacy config reads for v2 (#40211)
- @NumerousJLs:
  - fix(app): search every known project in the open project dialog (#40202)
- @MagnumGoYB:
  - docs: remove obsolete vouch system section (#40266)
- @frederiknsgo:
  - fix: gpt-5.5+ in combination with azure fails with reasoningEffort (#40265)