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Release history

BrowserOS releases

The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

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browseros-server-v0.0.82 Breaking risk
⚠ Upgrade required
  • Use --ci instead of the removed --compile-only flag
Breaking changes
  • Removed --compile-only CLI flag
  • Removed agent workflows feature
Notable features
  • Caching of klavis createStrata to improve /chat hot path performance
Full changelog

What's Changed

  • chore: bump server and extension version (#659)
  • chore(agent): remove workflows feature (#656)
  • feat(server): cache klavis createStrata to unblock /chat hot path (#654)
  • refactor: remove --compile-only flag, consolidate into --ci (#646)
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agent-extension-v0.0.99 Breaking risk
Breaking changes
  • Workflows feature removed
  • Controller extension removed
Notable features
  • Model picker replaced with shadcn Combobox and fuse.js fuzzy search
Full changelog

What's Changed

  • chore: bump server and extension version (#659)
  • chore(agent): remove workflows feature (#656)
  • feat: replace model picker with shadcn Combobox + fuse.js fuzzy search (#617)
  • feat: clean-up - remove obsolete controller extension (#610)
  • docs: update agent extension changelog for v0.0.98 (#609)
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browseros-cli-v0.2.2 New feature
Notable features
  • npm/npx distribution
  • Fixed release version reporting
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browseros-cli-v0.2.0 New feature
Notable features
  • Self-updater
  • CLI binary CDN distribution
  • PostHog telemetry
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agent-extension-v0.0.98 Breaking risk
Breaking changes
  • Workflows feature removed
  • Obsolete controller extension removed
Notable features
  • Model picker replaced with shadcn Combobox with fuse.js fuzzy search
  • New-tab agent navigation isolated from origin tab
  • Chat history freshness improved and query payload reduced
Full changelog

What's Changed

  • chore(agent): remove workflows feature (#656)
  • feat: replace model picker with shadcn Combobox + fuse.js fuzzy search (#617)
  • feat: clean-up - remove obsolete controller extension (#610)
  • docs: update agent extension changelog for v0.0.98 (#609)
  • chore: update agent version (#608)
  • chore: fix version number for extension (#606)
  • fix: improve chat history freshness and reduce query payload (#598)
  • feat: isolate new-tab agent navigation from origin tab (#593)
  • docs: overhaul READMEs across all major packages (#594)
  • fix(ui): resolve MCP promo banner dismiss button overlapping with text (#581)
  • docs: update agent extension changelog for v0.0.52 (#573)
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browseros-cli-v0.1.1 New feature
Notable features
  • CDN-hosted CLI installer
  • Install scripts for macOS, Linux, Windows
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browseros-cli-v0.1.0 Bug fix

## What's Changed - fix(cli): update goreleaser tag_prefix to match browseros-cli-v* format (#579)

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agent-sdk-v0.0.7 Maintenance

## What's Changed - chore: bump @browseros-ai/agent-sdk to 0.0.7 (#569) (#569) @DaniAkash

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v0.44.0.1 Mixed
Notable features
  • ChatGPT Pro and GitHub Copilot subscriptions now power browser automation at no extra cost
  • Voice input in chat bar for agent queries
  • Overhauled agent grounding for more reliable and precise browser actions
Full changelog

✨ What's new:

ChatGPT Pro & GitHub Copilot — Already paying for ChatGPT Pro, Plus, or GitHub Copilot? Now you can use that subscription to automate browser tasks in BrowserOS — at no extra cost. Just log in with your existing account.

Voice Input — Talk to your agent instead of typing. The chat bar now accepts voice input for any query.

Smarter Agent — Overhauled agent grounding for more reliable and precise browser actions.

Bug Fixes & Reliability — Improved memory tools, fixed fill tool issues, new tab layout fixes, and numerous stability improvements across the board.

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v0.43.0 New feature
Notable features
  • Skills system with 12 built-in skills
  • Enhanced memory system
  • Kimi K2.5 as default model
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v0.42.0 New feature
Notable features
  • Vertical tabs by default
  • SOUL.md personality system
  • Long-term memory for assistants
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v0.41.0 New feature
Notable features
  • New agent v3 completely rewritten with 2x faster speed and 2–3x improved performance
  • ~20 new tools added (54 total) including file upload, PDF export, and background windows
  • MCP server improvements enabling better integration with third-party coding agents
Full changelog

✨ What's new:

  • New agent (v3) — Completely redone from scratch. 2x faster, 2–3x better performance.

  • Tools — major upgrade — Agent tools and MCP server both got a big overhaul. ~20 new tools (54 total) including file upload, save as PDF, background windows, and more. Connection with third-party coding agents (Claude Code, Codex, etc.) is much better now.

  • General fixes — Better agent installation, bug fixes, and smoother experience overall.

  • Linux Debian packaging — Fixed the remaining Debian packaging issues.

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v0.40.1 Security relevant
Security fixes
  • Chromium 145 upstream security patches
Notable features
  • Chromium 145 with upstream security patches
  • Login session import improvements
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v0.39.0 Mixed
Notable features
  • Cross-machine sync for browser configuration, agent history, and scheduled tasks
  • App Connector redesign for simplified discovery, installation, and management of MCP applications
  • Updated keyboard shortcuts to avoid conflicts with European keyboard layouts
Full changelog

✨ What's new:

  • Sync — Save your browser configuration, agent history, and scheduled tasks across machines. Your setup now follows you wherever you go.

  • App Connector redesign — Connecting MCP apps is now easier. The new App Connector UI makes it simpler to discover, install, and manage your connected apps.

  • MCP port stability — Additional fixes for users still experiencing port issues. More reliable connections across restarts.

  • Keyboard shortcuts — Updated shortcuts to avoid conflicts with European keyboards.

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v0.38.0 Bug fix

Fixed MCP port consistency on Windows and Linux, plus settings UI and agent reliability improvements.

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v0.37.0 New feature
Notable features
  • Workflows: visual graph builder with workflow agent for defining repeatable browser automations
  • Cowork: sandboxed local folder access for combining web automation with file operations
Full changelog

✨ What's new:

  • Workflows — Build reliable, repeatable browser automations with a visual graph builder. Chat with the workflow agent to define step-by-step automation—ideal for complex tasks where ad-hoc prompts aren't enough. Read more →

  • Cowork — Give the agent access to a folder on your computer. Combine browser automation with local file operations—research on the web and save reports, scrape data and export to files, all in one task. The agent is sandboxed to your selected folder only. Read more →

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v0.36.2 Bugfix

🔧 **Bug fix release** **MCP server disconnect fix** — Some users were experiencing MCP server disconnects during use. This release fixes the underlying port handling issue. If you've been seeing your MCP connections drop unexpectedly, please upgrade! --- 📝 **Note:** This is a

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v0.36.0 Mixed
⚠ Upgrade required
  • Windows and Linux users should download v0.36.1 instead, which is the latest release for those platforms
Notable features
  • Agent personalization with custom prompts to control behavior and formatting
  • Toolbar customization to hide Hub chat and labels
  • MCP server port remains consistent across browser restarts
Full changelog

✨ What's new:

  • Agent personalization — Add your own prompts to personalize the agent. Tweak its behavior, adjust how it responds, set your preferred formatting, and more.

  • Toolbar customization — Hide the Hub chat and labels from the settings page to declutter your toolbar.

  • MCP server port stability — The port now stays consistent through browser restarts, so you don't have to keep updating your MCP clients with a new port.

  • Fixed agent install/update issues — We've made the startup experience much smoother. The agent now handles installs and updates more proactively instead of only on the first launch.

📝 Note for Windows & Linux users: Please download v0.36.1 — this is the latest release and what the update notification is referring to. Sorry for the inconvenience!

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Beta — feedback welcome: [email protected]