stagehand-server-v3/v3.6.6

browserbase/stagehandstagehand-server-v3/v3.6.6May 7, 2026by github-actions[bot]

AI Summary

Released v3.6.6 to remove experimental flags for agent variables, remove hardcoded temperature settings, and improve element ID prompting.

Key Highlights

Removed experimental requirement on agent variables.
Removed default temperature setting from agent AI SDK calls.
Strengthened observe prompts to ensure LLMs return complete encoded element IDs.

Full Release Notes

## What's Changed
* remove experimental requirement on agent variables (#2079) by @miguelg719 in https://github.com/browserbase/stagehand/pull/2080
* remove default temp by @filip-michalsky in https://github.com/browserbase/stagehand/pull/2076
* [STG-1935] fix: strengthen observe element ID prompting by @shrey150 in https://github.com/browserbase/stagehand/pull/2089
* [chore]: commit updated spec by @seanmcguire12 in https://github.com/browserbase/stagehand/pull/2095
* STG-1806 Make model API key optional in OpenAPI by @monadoid in https://github.com/browserbase/stagehand/pull/2094


**Full Changelog**: https://github.com/browserbase/stagehand/compare/stagehand-server-v3/v3.6.5...stagehand-server-v3/v3.6.6