What's Changed

News ✨

We are excited to announce that this version officially introduces support for UI-TARS-2!

• Paper: https://arxiv.org/abs/2509.02544
• Demo: https://seed-tars.com/showcase/ui-tars-2
• X: https://x.com/TsingYoga/status/1963629621326614940

New Features 🎉

• feat(tarko): refine LinkReaderRenderer (#1393) by @ulivz in c985542
• feat(o-agent): temp hack for model thinking (#1395) by @cjraft in 605bf84
• feat(tarko): auto-append replay=1 to share URLs (#1394) by @ulivz in 6a85332
• feat(o-agent): system prompt update (#1392) by @cjraft in b19f9ef
• feat(tarko): disable html rendering in markdown renderer (#1391) by @ulivz in 057a466
• feat(gui-agent): delay 1s before screenshot on aio hybried operator (#1388) by @heh in 79e835a
• feat(o-gui-agent): support ChromeUI gui operation on AIO sandbox (#1383) by @heh in a034369
• feat(tarko): refine behavior of guiAgent.renderGUIAction (#1386) by @ulivz in 94b4c32
• feat(o-agent): update time and proxy instruction in sp (#1384) by @cjraft in 1906ec6
• feat(tarko): add multimodal clipboard paste support (#1379) by @ulivz in 2b40a7c
• feat(tarko): refactor chat panel ui (#1375) by @ulivz in 70c28fa
• feat(tarko): reuse chat input in home page (#1313) by @ulivz in 350364d
• feat(tarko): add model id tooltip to navbar (#1370) by @ulivz in 4da9abb
• feat(o-agent): native think (#1371) by @cjraft in 195c875

Bug Fixes 🐛

• fix(tarko): correct isProcessing state management during agent execution (#1387) by @ulivz in 9d0df70
• fix(tarko): fix markdown link parsing with chinese text (#1358) by @ulivz in 73ca0ca
• fix(tarko): image data missing in workspace (#1373) by @ulivz in 2a79e1d

Other Changes

• refactor(tarko): simplify screenshot display state management (#1390) by @ulivz in d3710ad
• refactor(tarko): remove unnecessary abstraction and redundant state updates (#1380) by @ulivz in dfee2b3
• chore(tars-stack): release 0.3.0-beta.9 by @ulivz in 81a1cfa
• chore(o-agent): disable gui agent screenshot switch and render (#1385) by @ulivz in 2a92348
• chore(ptk): add --no-verify to release commits (#1369) by @ulivz in e19a0f2
• chore(ptk): update release commit scope from agent-tars to tars-stack (#1368) by @ulivz in 25001c7
• chore(all): fix grammar typo (#1367) by @ulivz in 48e40ab
• ci(ptk): handle missing git tags in changelog generation (#1372) by @ulivz in d9eb138

Full Changelog: v0.3.0-beta.8...v0.3.0-beta.9