Stagehand Release Notes

Last updated: Feb 20, 2026

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Feb 19, 2026
- Date parsed from source:
  Feb 19, 2026
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  Feb 20, 2026
Stagehand by Browserbase

@browserbasehq/[email protected]
Patch Changes

#1710 df76207 Thanks @seanmcguire12! - handle target closed errors on rapidly opening/closing popups

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Feb 4, 2026
- Date parsed from source:
  Feb 4, 2026
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  Feb 5, 2026
Stagehand by Browserbase

stagehand/server v3.6.0

Stagehand-server release brings Windows workflow fixes, bedrock/provider support, and broad docs updates. It adds new actions and enums, improved screenshot masking, and enhanced agent hybrid compatibility for smoother automation.
What's Changed

Fix SEA release workflow for Windows by @miguelg719 in #1603

Enable bedrock provider on server by @miguelg719 in #1604

[docs]: add docs for page.snapshot() by @seanmcguire12 in #1589

[docs]: add docs for page.waitForSelector() by @seanmcguire12 in #1605

[docs]: add docs for local browser port option by @seanmcguire12 in #1606

Add SupportedUnderstudyActions to observe system prompt by @miguelg719 in #1609

Using 'mode' enum instead of old 'cua' boolean by @monadoid in #1611

Update stale observe evals by @miguelg719 in #1615

[fix]: mask param in page.screenshot() only applied to first node by @seanmcguire12 in #1612

[chore]: strengthen regex validation on act, observe for elementId by @miguelg719 in #1614

add auto-bedrock support based on bedrock/provider.model-name by @pirate in #1617

[chore]: pull stringified JS into TS file by @seanmcguire12 in #1622

SupportedUnderstudyAction Enum validation for 'method' on act/observe by @miguelg719 in #1613

Fix issues in stainless.yml by @pirate in #1638

add warning when models are used with hybrid mode that will not perf… by @tkattkat in #1633

[fix]: screenshot mask not working on <dialog> elements by @seanmcguire12 in #1624

Add right/middle click support on act and observe by @miguelg719 in #1631

Add executionModel serialization to api client by @miguelg719 in #1636

Fix deprecation warning for old model format (#1625) by @miguelg719 in #1637

Add replay to docs by @monadoid in #1643

Removed MCP from readme for now by @monadoid in #1639

fix(cdp): avoid unhandled detach by returning original sendCDP promise by @monadoid in #1644

[fix]: ctx addInitScript on popup pages by @seanmcguire12 in #1642

[chore]: rm docs changeset by @seanmcguire12 in #1648

Fix [Agent] : message processing bug by @tkattkat in #1647

Add support for gemini 3 on cua/hybrid agent by @miguelg719 in #1652

[docs]: fix userDataDir example for Browserbase sessions by @shrey150 in #1654

fix(ci): handle new tags in server release workflow (#1660) by @miguelg719 in #1661

Add user-agent by @miguelg719 in #1646

Full Changelog: stagehand-server/v3.5.1...stagehand-server/v3.6.0

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Jan 26, 2026
- Date parsed from source:
  Jan 26, 2026
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  Jan 30, 2026
Stagehand by Browserbase

stagehand/server v3.5.1

Stagehand ships a fresh release with stricter linting rules, improved agent usage metrics, and a deprecated syntax fix. It adds vertex support on the stagehand server, an example for logging agent output, and welcomes new contributors.
What's Changed

[chore]: add stricter linting rules by @seanmcguire12 in #1597

improve agent usage metrics by @tkattkat in #1596

Fix deprecated cua: true syntax in v3 migration guide by @aq17 in #1601

Logging agent output to file example by @monadoid in #1599

Add support for vertex on stagehand server by @miguelg719 in #1602

New Contributors

@aq17 made their first contribution in #1601

Full Changelog: https://github.com/browserbase/stagehand/compare/@browserbasehq/[email protected]/v3.5.1

What's Changed

[chore]: add stricter linting rules by @seanmcguire12 in #1597

improve agent usage metrics by @tkattkat in #1596

Fix deprecated cua: true syntax in v3 migration guide by @aq17 in #1601

Logging agent output to file example by @monadoid in #1599

Add support for vertex on stagehand server by @miguelg719 in #1602

New Contributors

@aq17 made their first contribution in #1601

Full Changelog: https://github.com/browserbase/stagehand/compare/@browserbasehq/[email protected]/v3.5.1
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Jan 22, 2026
- Date parsed from source:
  Jan 22, 2026
- First seen by Releasebot:
  Jan 30, 2026
Stagehand by Browserbase

@browserbasehq/[email protected]

A new release packs fixes and feature tweaks across agent and browser hooks. It adds waitForSelector, page.snapshot and structured agent output, refines caching, logging, and tool handling, and nudges hybrid mode over DOM.
Patch Changes

#1514 40ce5cc Thanks @tkattkat! - Rename the close tool in agent to "done"

#1574 5506f41 Thanks @tkattkat! - fix(server): pass cdpUrl to localBrowserLaunchOptions when launchOptions absent

#1521 84c05ca Thanks @seanmcguire12! - fix: get agent cache working in API mode

#1486 692ffa0 Thanks @tkattkat! - improve logging in agent

#1551 1ef8901 Thanks @miguelg719! - move extract handler response log to after URL injection

#1495 72ac775 Thanks @tkattkat! - export tool function & type to simplify defining custom tools

#1481 3d5af07 Thanks @tkattkat! - add waitForTimeout to page

#1423 40e1d80 Thanks @miguelg719! - Improve benchmark handling and add metadata

#1588 56c0d24 Thanks @seanmcguire12! - add SnapshotOptions to page.snapshot()

#1483 16d72fb Thanks @tkattkat! - Optimize screenshot handling in agent hybrid mode

#1498 088c4cc Thanks @seanmcguire12! - fix: replaying cached actions (for agent & act) now uses the originally defined model, (instead of default model) when action fails and rerunning inference is needed

#1575 4276f4a Thanks @seanmcguire12! - expose port param in localBrowserLaunchOptions

#1544 6005786 Thanks @tkattkat! - Recommend hybrid mode over DOM mode in agent, which is now considered legacy

#1505 6fbf5fc Thanks @tkattkat! - Add structured output to agent result + ensure close tool is always called

#1511 704cf18 Thanks @shrey150! - Fix ControlOrMeta keypress event

#1480 091296e Thanks @tkattkat! - Update agent to only calculate xpath when caching is enabled

#1509 e56c6eb Thanks @seanmcguire12! - add support for page.waitForSelector()

#1478 2cb78d0 Thanks @tkattkat! - update agent message handling

#1518 5dad639 Thanks @seanmcguire12! - add page.snapshot() for capturing a stringified DOM snapshot of the page, including an xpath map & url map

#1576 b7c2571 Thanks @tkattkat! - utilize waitForSelector when running agent cache

#1560 4c69117 Thanks @tkattkat! - Update coordinate handling in cua and hybrid

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Jan 22, 2026
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  Jan 22, 2026
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  Jan 30, 2026
Stagehand by Browserbase

@browserbasehq/[email protected]
Raw content:

Patch Changes

#1593 159f6d3 Thanks @tkattkat! - Update extract tool

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Jan 20, 2026
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  Jan 20, 2026
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  Jan 30, 2026
Stagehand by Browserbase

stagehand-server/v3.5.0

stagehand/server v3.5.0
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Jan 13, 2026
- Date parsed from source:
  Jan 13, 2026
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  Jan 30, 2026
Stagehand by Browserbase

stagehand/server v3.4.0
What's Changed

Removed x-language and x-sdk-version from openapi spec by @monadoid in #1515

Using provider/model syntax in modelName examples within openapi spec by @monadoid in #1526

Update docs for canonical by @tkattkat in #1519

Update version number for new 3.4.0 release by @monadoid in #1529

Full Changelog: stagehand-server/v3.3.0...stagehand-server/v3.4.0

Original source Report a problem
Jan 9, 2026
- Date parsed from source:
  Jan 9, 2026
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  Jan 30, 2026
Stagehand by Browserbase

stagehand/server v3.3.0

Stagehand 3.3.0 brings enhancements across docs, agent behavior and page utilities. New features include page.waitForSelector and page.snapshot, improved xpath caching, better logging, and broader tool support with Discord updates.
What's Changed

Hybrid mode docs by @tkattkat in #1454

Update agent message handling by @tkattkat in #1478

add waitForTimeout to page by @tkattkat in #1481

Update agent to only calculate xpath when caching is enabled by @tkattkat in #1480

Screenshot after actions by @tkattkat in #1483

Improve agent logging by @tkattkat in #1486

update docs for new methods & return types by @tkattkat in #1488

Replace Slack references with Discord by @shrey150 in #1492

[chore]: fix bid postings eval by @seanmcguire12 in #1499

[fix]: use correct model on cache replay failure by @seanmcguire12 in #1498

export tool function & type by @tkattkat in #1495

/end endpoint returns empty object by @monadoid in #1500

Added optional param to force empty object by @monadoid in #1506

Fix ollama support with AI SDK by @shrey150 in #1504

Fix ControlOrMeta key normalization in keyPress by @shrey150 in #1511

update flaky evals by @tkattkat in #1507

docs: add BROWSERBASE_CONFIG_DIR file-based session logging by @shrey150 in #1508

Update close tool + add output to agent result by @tkattkat in #1505

[feat]: add support for page.waitForSelector() by @seanmcguire12 in #1509

[feat]: add page.snapshot() by @seanmcguire12 in #1518

Disable swagger docs in prod by @monadoid in #1520

Full Changelog: https://github.com/browserbase/stagehand/compare/@browserbasehq/[email protected]/v3.3.0

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Dec 27, 2025
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  Dec 27, 2025
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  Jan 30, 2026
Stagehand by Browserbase

stagehand/server v3.2.0
What's Changed

[Feature] exclude tools from agent by @tkattkat in #1440

[feat]: add support for safety confirmation callback for OpenAI + Google CUA by @shrey150 in #1473

[fix]: refresh agent cache on action failure by @seanmcguire12 in #1472

Version Packages by @github-actions[bot] in #1414

Full Changelog: stagehand-server/v3.1.3...stagehand-server/v3.2.0
Original source Report a problem
Dec 27, 2025
- Date parsed from source:
  Dec 27, 2025
- First seen by Releasebot:
  Jan 30, 2026
Stagehand by Browserbase

@browserbasehq/[email protected]

A patch release adds hybrid mode to the stagehand agent, enables page.hover for agent actions, and boosts stability with cache fixes, safety checks, and environment tweaks. It brings broader usability improvements across agents and tooling.
Patch Changes

#1461 0f3991e Thanks @tkattkat! - Move hybrid mode out of experimental

#1433 e0e22e0 Thanks @tkattkat! - Put hybrid mode behind experimental

#1456 f261051 Thanks @shrey150! - Invoke page.hover for agent move action

#1473 e021674 Thanks @shrey150! - Add safety confirmation support for OpenAI + Google CUA

#1399 6a5496f Thanks @tkattkat! - Ensure cua agent is killed when stagehand.close is called

#1436 fea1700 Thanks @miguelg719! - Fix auto-load key for act/extract/observe parametrized models on api

#1439 5b288d9 Thanks @tkattkat! - Remove base64 from agent actions array ( still present in messages object )

#1408 e822f5a Thanks @seanmcguire12! - allow for act() cache hit when variable values change

#1472 638efc7 Thanks @seanmcguire12! - fix: agent cache not refreshed on action failure

#1424 a890f16 Thanks @seanmcguire12! - fix: "Error: -32000 Failed to convert response to JSON: CBOR: stack limit exceeded"

#1418 934f492 Thanks @miguelg719! - Cleanup handlers and bus listeners on close

#1430 bd2db92 Thanks @shrey150! - Fix CUA model coordinate translation

#1465 51e0170 Thanks @miguelg719! - Add media resolution high provider option to gemini 3 hybrid agent

#1431 05f5580 Thanks @tkattkat! - Update the cache handling for agent

#1432 f56a9c2 Thanks @tkattkat! - Deprecate cua: true in favor of mode: "cua"

#1406 b40ae11 Thanks @tkattkat! - Add support for hovering with coordinates ( page.hover )

#1407 0d2b398 Thanks @tkattkat! - Clean up page methods

#1412 cd01f29 Thanks @seanmcguire12! - fix: load GOOGLE_API_KEY from .env

#1462 a734fca Thanks @shrey150! - fix: correctly pass userDataDir to chrome launcher

#1466 b342acf Thanks @seanmcguire12! - move playwright to optional dependencies

#1440 2987cd1 Thanks @tkattkat! - [Feature] support excluding tools from agent

#1455 dfab1d5 Thanks @seanmcguire12! - update aisdk client to better enforce structured output with deepseek models

#1428 4d71162 Thanks @tkattkat! - Add "hybrid" mode to stagehand agent

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Stagehand Release Notes

@browserbasehq/[email protected]

Patch Changes

stagehand/server v3.6.0

What's Changed

stagehand/server v3.5.1

What's Changed

New Contributors

What's Changed

New Contributors

@browserbasehq/[email protected]

Patch Changes

@browserbasehq/[email protected]

Patch Changes

stagehand-server/v3.5.0

stagehand/server v3.5.0

stagehand/server v3.4.0

What's Changed

stagehand/server v3.3.0

What's Changed

stagehand/server v3.2.0

What's Changed

@browserbasehq/[email protected]

Patch Changes

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