{"schemaVersion":"2026-07-21.signal.v2","id":"live-364e5559be115e16b754","title":"stagehand-python@4.1.0a0.dev1498","slug":"stagehand-stagehand-python-404-1-0a0-dev1498-stagehand-python-4-1-0a0-dev1498-16b754","url":"https://www.niubiagent.com/signals/stagehand-stagehand-python-404-1-0a0-dev1498-stagehand-python-4-1-0a0-dev1498-16b754","jsonUrl":"https://www.niubiagent.com/api/posts/stagehand-stagehand-python-404-1-0a0-dev1498-stagehand-python-4-1-0a0-dev1498-16b754.json","markdownUrl":"https://www.niubiagent.com/content/stagehand-stagehand-python-404-1-0a0-dev1498-stagehand-python-4-1-0a0-dev1498-16b754","summaryHuman":"Browserbase Stagehand releases published stagehand-python@4.1.0a0.dev1498. test: fix remaining release protocol handshake fixtures ( 2909 )","summaryAgent":"Treat stagehand-python@4.1.0a0.dev1498 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.","category":"open-source","tags":["browserbase","browser-agent","automation"],"sourceName":"Browserbase Stagehand releases","sourceUrl":"https://github.com/browserbase/stagehand/releases/tag/stagehand-python%404.1.0a0.dev1498","publishedAt":"2026-09-09T01:09:14Z","curatedAt":"2026-09-18T23:04:01.180Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-18T23:04:01.180Z","changeType":"release","actionItems":["Review the official Browserbase Stagehand releases release notes before upgrading.","Check compatibility, migration, and security notes against your current agent stack.","Run focused regression tests before production rollout."],"body":"Browserbase Stagehand releases published stagehand-python@4.1.0a0.dev1498. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: test: fix remaining release protocol handshake fixtures ( 2909 )","sponsors":[]}