Sim Studio v0.5.106 adds GPT-5.4 model support with bug fixes
New Features
Sim Studio v0.5.106 introduces support for GPT-5.4 and GPT-5.4-Pro models, allowing users to leverage the latest OpenAI models within their workflow automation and agent platforms.
Improvements
- Snapshot handling: Client-side activation detection now excludes sentinels, improving the reliability of snapshot operations.
Bug Fixes
The release addresses several critical issues:
- Condition execution: Fixed execution behavior with subflow sentinels and snapshot highlighting; resolved duplicate terminal logs
- Legacy migration: Completed legacy subblock ID migration with CI checks to prevent regression
Getting Started
Developers can immediately use the new GPT-5.4 and GPT-5.4-Pro models in their Sim Studio workflows by updating to v0.5.106. The bug fixes improve stability for condition-based workflows and address migration issues from older versions.
Visit the release page to download or review the full changelog.