TailOS

Choose the desktop client that matches your device and start using TailOS after installation.

macOS Apple Silicon

For Macs with M-series chips

macOS 10.15 or later

Download

macOS Intel

For Macs with Intel processors

macOS 10.15 or later

Download

Windows x64

For 64-bit Windows devices

Windows 10/11

Download

Release Notes

Version History

Review the latest desktop release updates.

v0.2.232026-05-14
  • Add: chats now support pasting clipboard files and images directly as attachments, making context sharing faster.
  • Add: conversations can now be pinned, keeping important chats at the top for easier switching and return visits.
  • Add: expert chats now bind to a workspace, so the working directory is clear before a task starts.
  • Add: Settings now offers Auto, Fast, and Best smart-routing preferences, making model routing better match each use case.
  • Fix: historical images, artifact placeholders, and attachment references are less likely to duplicate or disappear when conversations are replayed.
  • Fix: expert creation, selection, and built-in expert recognition are more reliable, so new and built-in experts appear in the right places.
  • Fix: several window, sidebar, and scroll-area layout boundaries now behave more consistently, reducing clipped content and mismatched scrollbar styles.
  • Fix: date and time recognition now degrades more safely when parsing fails, reducing interrupted chat requests.
  • Improve: Settings and Usage are more centralized, making account, appearance, language, logs, and usage information easier to review.
  • Improve: WeChat channel settings are more streamlined, keeping common options easier to configure and maintain.
  • Improve: chat runtime, background tasks, and external-channel sessions restore history more consistently, keeping context steadier when switching sessions.
  • Improve: WeChat, Feishu, and related channel flows are more stable, with more reliable message records, retries, and status feedback.
v0.2.222026-05-06
  • Improve: faster and more stable software updates for a smoother upgrade experience.
  • Improve: optimized header interactions on the Experts page for Windows users.
v0.2.212026-05-06
  • Fix: chat scrolling now follows new replies more naturally, with fewer jumps or missed auto-scrolls while reading.
  • Fix: desktop dialogs, dropdowns, and other floating layers are less likely to be blocked by the title-bar drag region, making menu clicks and dialog closing more reliable.
  • Improve: Expert Store cards are easier to browse, with clearer names, icons, versions, platform badges, and install states.
  • Improve: the Experts page now uses more consistent tabs and action menus, making installed experts, Store experts, and expert publishing easier to manage.
  • Improve: the publish-expert dialog handles long content scrolling more reliably, so descriptions, capabilities, and changelog fields are less constrained by window height.
  • Improve: terminal tool runs now keep the full command string, making permission prompts and policy checks better match what the user actually typed.
v0.2.202026-05-01
  • Fix: when external channels, scheduled tasks, or background tasks handle content automatically, they no longer produce preview results that only work in the main desktop chat, making replies faster and more stable.
  • Fix: Feishu, WeCom, WeChat, and WhatsApp keep automatic handling permissions after starting or resetting a session, reducing repeated confirmations.
v0.2.192026-05-01
  • Fix: external channels now merge consecutive messages, images, and files into the same conversation turn more reliably, reducing misplaced, missing, or duplicated replies.
  • Fix: external channels now correctly use the default YOLO setting, so automated message handling needs less manual handoff.
  • Improve: progress updates while external channels handle messages are cleaner and shown less repetitively.
v0.2.182026-04-30
  • Add: WeCom channels now support QR-code onboarding and receiving media attachments such as images.
  • Add: Feishu and WhatsApp channels now support receiving attachments, with clear in-chat feedback when downloads fail.
  • Add: channel sessions now support /new, /reset, and /help commands with localized replies.
  • Improve: channel execution progress now streams into TailOS conversations in real time, and WeChat replies show typing status while streaming.
  • Fix: WeChat messages with attachments now enter the same conversation turn in the correct order, reducing mismatches between text and attachments.
  • Fix: Feishu group-chat configuration upgrades now preserve existing group access permissions instead of overwriting them with defaults.
  • Fix: oversized Markdown tables in Feishu cards are split automatically to reduce message send failures.
v0.2.172026-04-30
  • Fix: Intel Macs now choose a compatible ONNX Runtime version when installing local OCR, avoiding failures caused by missing platform wheels.
  • Fix: WeChat QR sign-in now shows the verification-code input when needed, with clearer scan, expiry, and verification prompts.
v0.2.162026-04-30
  • Add: WeChat channels now support receiving image attachments, which automatically use local offline OCR.
  • Add: WeChat channels now support /new and /reset commands, so context can be reset directly from WeChat.
  • Improve: Feishu, WeCom, WeChat, and WhatsApp channels now group messages and attachments that arrive close together, reducing incomplete replies caused by split callbacks.
  • Improve: channel sessions and scheduled tasks now default to YOLO mode, making automated work smoother.
  • Fix: channel sessions now show tool calls and reasoning instead of only saving the final reply.
  • Fix: improve offline OCR service stability on Windows.
v0.2.152026-04-29
  • Add: image attachments are recognized with local OCR first, so text inside images can be included in chat context.
  • Add: Local OCR management is now available in Settings, including status, install, repair, and uninstall actions.
  • Improve: delete confirmations for scheduled tasks, skills, and memory are clearer to reduce accidental removal.
  • Fix: conversations opened from Feishu, WeCom, WeChat, and other channels stay read-only to prevent accidental edits.
v0.2.142026-04-29
  • Add: PDF, Word, Excel, PowerPoint, and other common office documents can now be added directly to chats.
  • Improve: software update downloads are more stable, with download status shown sooner after you click.
  • Improve: pointer feedback is more consistent when hovering over clickable buttons and menus.
v0.2.132026-04-28
  • Fix: browser sign-in could fail to open TailOS in certain environments.
  • Improve: quitting the app now asks for confirmation, reducing accidental interruptions.
  • Improve: desktop stability across different system environments.
v0.2.122026-04-28
  • Add: TailOS can now start background tasks, so long-running work can keep progressing without occupying the current chat.
  • Add: the sign-in page now supports Google, Microsoft, and other third-party accounts through OAuth 2.0 / OpenID Connect, making enterprise account setup more flexible.
v0.2.112026-04-27
  • Add: authors can declare supported platforms when publishing experts to the Store, and the Store now shows macOS / Windows platform badges while browsing.
  • Improve: scrollbars are more consistent across chat, settings, usage, and scheduled-task views, making long content easier to browse.
  • Fix: simultaneous tool permission requests are handled in order, reducing dialogs that overlap or block the flow.
  • Fix: expired tool permission dialogs now clear automatically instead of lingering and affecting later actions.
  • Fix: the system prompt field in Prompt settings no longer pushes the options below out of view.
  • Fix: the publish-expert dialog now stays within the default window size, keeping footer actions visible.
v0.2.102026-04-27
  • Fix: LLM streaming recovery is steadier for long-context or slow-response cases, and replies are more likely to continue correctly after tool execution.
  • Fix: Python tool dependency installation and code execution now use the same managed environment, reducing cases where an installed package still cannot be imported.
  • Improve: same-session authorization memory is more accurate for similar command work, reducing repeated confirmations.
  • Improve: Agent and Skill workspace detection is clearer, so temporary session folders no longer interfere with project capability discovery.
  • Improve: macOS menu-bar and Windows tray / app icons are clearer, reducing black blocks, undersized glyphs, and blurry display.
v0.2.92026-04-26
  • Add: files can now be dropped directly into the chat composer, with clear feedback for unsupported files.
  • Add: prompt settings now include a global YOLO default mode, and the sidebar has a direct settings shortcut.
  • Improve: settings now use a left-navigation layout, and Back returns to the page you came from.
  • Improve: usage now uses separate Overview and Breakdown views, and Back returns to the page you came from.
  • Improve: tool-call and Render UI loading states are steadier and no longer disappear too early during long-running tool work.
  • Fix: transient network or LLM streaming drops now retry automatically, reducing unexpected failures in long tasks.
  • Fix: large tool results are saved by reference instead of being pushed directly into context, and interrupted tool results can continue through the flow.
v0.2.82026-04-25
  • Fix: when a tool permission is explicitly denied, the current task now stops immediately instead of continuing down the wrong path.
  • Fix: session-scoped permission upgrades are now remembered correctly, reducing repeated confirmations and making the approval flow more stable.
  • Improve: streamline startup by removing the extra splash window and tightening the transition timing.
  • Improve: large text attachments are now passed as file references, making long-content handling more stable and more context-efficient.
v0.2.72026-04-24
  • Fix: isolate the desktop web-login session from the browser so sign-in state no longer leaks across them.
  • Fix: refresh the Windows main and tray icon assets so the old blurred/misaligned icons no longer show up.
  • Fix: tighten compatibility and the auto-move behavior when macOS launches from outside /Applications, reducing accidental moves.
  • Improve: the handoff sign-in page now renders the account info without the editable-input look.
v0.2.62026-04-24
  • Add: pasting long text into the chat input now collapses into a chip while the full text is saved into conversation history, making sending and browsing lighter.
  • Add: the Expert Store now supports uploading new versions for already-published experts, smoothing expert iteration.
  • Improve: refreshed desktop app icon for a more cohesive and polished look.
  • Improve: SKILL doc reading is now structured, and chat network errors retry with backoff for steadier long tasks.
  • Improve: tightened auth session lifetime and the web refresh flow for more reliable sign-in state.
  • Improve: cron tool visibility within cron sessions is tightened to avoid recursive triggers.
  • Improve: clearer `run_process` tool contract guidance for steadier model calls.
v0.2.52026-04-22
  • Fix: the model settings page now stays in sync with upstream provider catalog changes, reducing stale or missing model entries.
  • Fix: adds a recovery migration for users who previously missed the `TyClaw` -> `TailOS` data move, making old chat history restoration more reliable after upgrade.
v0.2.42026-04-22
  • Add: the login dialog now offers "Sign in via browser", letting you finish sign-in in your browser and return to the desktop app automatically, skipping another email code round-trip.
  • Add: refreshed layout and copy for Store filters for a smoother browsing experience.
  • Fix: smoother startup flow, and migration now finishes before the main window is shown for more consistent startup feedback.
  • Fix: corrected the nested button layout inside model cards for steadier interactions.
  • Improve: unified HTTP request logging across the main process for more consistent diagnostics.