v0.121.5 v0.121.6
medium risk
Agenta-AI/agentaSep 28, 2026 → Sep 30, 20262 days between releases
What's New
Added Claude Sonnet 5.5 and fixed runner crash recovery
Breaking Changes
- API change: Stop sending immutable slug when editing custom secrets
- API change: Record body NUL characters now handled differently
- Permission check scoping changed for /m endpoints
New Features
- Added Claude Sonnet 5.5 to the platform
- Added job hunt research template
Improvements
- Polished sidebar session list and rail details
- Fixed Advanced drawer open state after removing secrets
- Updated website positioning and legacy post notices
Bug Fixes
- Fixed runner runaway output and crash recovery context
- Scoped session attachment uploads to the correct project
- Stopped logging session read network failures as errors
Upgrade Notes
API endpoints for custom secrets and record streaming have changed behavior. Ensure your integrations handle the new permission scoping for `/m` endpoints. No database migration is required.
The Two Releases
v0.121.5
v0.121.5
Sep 28, 2026· 24 days ago
Introduced a robust agent template marketplace and redesigned the Publish drawer with new channel management capabilities.
Full release notesv0.121.6
v0.121.6
Sep 30, 2026· 22 days ago
Added Claude Sonnet 5.5 to the platform and fixed critical bugs in runners, session management, and frontend UI.
Full release notes