All notable changes to the Tabstack SDK and API, newest first.https://docs.tabstack.ai/https://docs.tabstack.ai/changelog#261--2026-05-05https://docs.tabstack.ai/changelog#261--2026-05-05Added: endpoint-specific 600s timeouts for /automate and /research, task:trace_context event with W3C trace IDs, custom headers via TABSTACK_CUSTOM_HEADERS, and a scroll browser action. Docs: clarified extract.json null behavior and standardized TABSTACK_API_KEY.Tue, 05 May 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#260--2026-04-24https://docs.tabstack.ai/changelog#260--2026-04-24Changed: AutomateEvent is now a fully typed discriminated union. complete, error, and done are first-class members with explicit case branches.Fri, 24 Apr 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#250--2026-04-22https://docs.tabstack.ai/changelog#250--2026-04-22Fixed: /research default mode is fast (docs previously listed balanced). Pass mode: 'balanced' explicitly if needed.Wed, 22 Apr 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#240--2026-04-09https://docs.tabstack.ai/changelog#240--2026-04-09Added: interactive mode via client.agent.automateInput(), and geo_target on extract.json, extract.markdown, and generate.json.Thu, 09 Apr 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#230--2026-03-12https://docs.tabstack.ai/changelog#230--2026-03-12Added: effort parameter (min/standard/max) on extract.json, extract.markdown, and generate.json to control the speed vs. capability tradeoff.Thu, 12 Mar 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#220--2026-02-11https://docs.tabstack.ai/changelog#220--2026-02-11Fixed: abort-signal memory leak and early abort-listener removal in the HTTP client. Changed: MCP server package renamed.Wed, 11 Feb 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#210--2026-01-30https://docs.tabstack.ai/changelog#210--2026-01-30Added: /research endpoint via client.agent.research() for multi-source autonomous web research with cited answers, streamed as ResearchEvent over SSE.Fri, 30 Jan 2026 00:00:00 GMThttps://docs.tabstack.ai/changelog#200--2026-01-16https://docs.tabstack.ai/changelog#200--2026-01-16Breaking: deprecated MCP server tool schemes removed. Code mode is the only supported scheme. Added: intent parameter on the MCP execute tool; SDK package renamed to @tabstack/sdk.Fri, 16 Jan 2026 00:00:00 GMT