stagehand

vstagehand-server-v3/v3.7.3 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 10d AI Agents & Assistants

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

agents ai llms playwright puppeteer selenium

Summary

AI summary

Updates evals, fix, and feat across a mixed release.

Type	Severity	Summary	CVE
Feature	Low	Adds opt-out flag for browse CLI .env auto-loading with warning. Adds opt-out flag for browse CLI .env auto-loading with warning. Source: llm_adapter@2026-07-16 Confidence: high	—
Feature	Low	Adds OdysseysBench agent benchmark to evals. Adds OdysseysBench agent benchmark to evals. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Silences AI SDK "system message in messages" warning in act/extract/observe. Silences AI SDK "system message in messages" warning in act/extract/observe. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Fixes source eval browser skill loading from packages/cli browse SKILL.md. Fixes source eval browser skill loading from packages/cli browse SKILL.md. Source: llm_adapter@2026-07-16 Confidence: high	—
Other	Low	Updates braintrust UI publisher with sonnet-5, gpt-5.6, and grok pricing. Updates braintrust UI publisher with sonnet-5, gpt-5.6, and grok pricing. Source: llm_adapter@2026-07-16 Confidence: low	—

Full changelog

[docs]: add docs for setDomainPolicy by @seanmcguire12 in https://github.com/browserbase/stagehand/pull/2289
fix: silence AI SDK "system message in messages" warning in act/extract/observe by @shrey150 in https://github.com/browserbase/stagehand/pull/2359
[STG-2510] fix: source eval browser skill from packages/cli browse SKILL.md by @shrey150 in https://github.com/browserbase/stagehand/pull/2334
chore(evals): add sonnet-5, gpt-5.6, and grok pricing to braintrust UI publisher by @miguelg719 in https://github.com/browserbase/stagehand/pull/2318
feat: warn and add opt-out flag for browse CLI .env auto-loading by @shrey150 in https://github.com/browserbase/stagehand/pull/2361
chore(docs): Replace “LLM model” wording in Stagehand docs by @Kylejeong2 in https://github.com/browserbase/stagehand/pull/2366
feat(evals): add OdysseysBench agent benchmark by @miguelg719 in https://github.com/browserbase/stagehand/pull/2275
chore: cut stagehand-server-v3 catchup release by @shrey150 in https://github.com/browserbase/stagehand/pull/2367

Full Changelog: https://github.com/browserbase/stagehand/compare/@browserbasehq/[email protected]/v3.7.3

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The SDK For Browser Agents

v@browserbasehq/[email protected] Changes `setScreenshotProvider` callback to return `{ base64, mediaType }` instead of bare base64 string.
vstagehand-server-v3/v3.7.0 Delete packages/server-v4 entirely.
vstagehand-server-v3/v3.6.10 Remove cli release workflow
vstagehand-server-v3/v3.6.9 Integration libraries moved to peer dependencies.
v@browserbasehq/[email protected] move playwright-core, puppeteer-core, patchright-core from optional dependencies to peer dependencies