v0.6.50

simstudioai/simv0.6.50Apr 18, 2026by github-actions[bot]

AI Summary

Improved the mothership agent model dropdown and terminal output resizing, alongside bug fixes for PDF previews and execution isolation.

Key Highlights

Agent model dropdown validations and markers for recommended models
Terminal output panel resize on layout change via ResizeObserver
PDF preview endpoint added and execution inside isolated-vm sandbox

Full Release Notes

## Improvements

- improvement(mothership): agent model dropdown validations, markers for recommended models (#4213)
- improvement(terminal): resize output panel on any layout change via ResizeObserver (#4220)
- improvement(utils): add shared utility functions and replace inline patterns (#4214)
- improvement(sidebar): interleave folders and workflows by sort order in all resource pickers (#4215)

## Bug Fixes

- fix(pdf): PDF previews by adding the missing preview endpoint and allowing same-origin blob URLs in iframe CSP (#4225)
- fix(fireflies): support V2 webhook payload format for meetingId mapping (#4221)
- fix(execution): run pptx/docx/pdf generation inside isolated-vm sandbox (#4217)
- fix(chat): prevent @-mention menu focus loss and stabilize render identity (#4218)

## Other Changes

- docs(assets): Add pics and videos for mothership (#4216)

## Contributors

- @TheodoreSpeaks
- @icecrasher321
- @waleedlatif1

[View changes on GitHub](https://github.com/simstudioai/sim/compare/v0.6.49...v0.6.50)