Bug: chat history disappears after restart but .pb files still exist

Google Antigravity
1

macOS Apple Silicon

Problem:
My Antigravity chat history disappears after quitting the app or restarting the Mac, but the local conversation files still exist in:
~/.gemini/antigravity/conversations/

What I observed:

  • repositories/projects are still there
  • conversation .pb files remain on disk
  • chat history UI is empty after restart

Versions tested:

  • 1.20.5
  • 1.19.6
  • 1.16.5

What I tried:

  • restarting Antigravity
  • restarting macOS
  • reopening folders/workspaces
  • reinstalling over the existing app
  • downgrading versions
  • clearing non-conversation UI/index state

Result:
No version restores the chats in the UI.

Evidence:
I can provide screenshots of the empty history UI and terminal output showing the .pb files still present in ~/.gemini/antigravity/conversations/

Current conversation files visible on disk include examples like:

  • 413c368e-9fb9-47b9-a74b-8115eb78c5ff.pb (about 25 MB)
  • cb2e52bf-289b-41c2-9788-33b306453a2b.pb (about 23 MB)
  • dd83b5dc-f459-4f45-83d1-6a991be29ec9.pb (about 9 MB)
  • 7261f65a-e796-4697-a309-b3a404fa2f90.pb (about 6 MB)

This appears to be a conversation indexing/history display failure rather than actual deletion.

2 Likes
2

Hello @Angel_Henderson, welcome to AI Forum!

Thank you for sharing your findings on the chat history issue. Our engineering team is currently investigating the matter, and we appreciate your patience as we work toward a resolution.
Any additional details you can provide regarding the issue would be very helpful.

3

@Abhijit_Pramanik, I’m experiencing the same issue on my new company’s MacBook (despite it having worked fine on my 2 other MacBooks).
I’m suspicious if my company’s IP proxy (JumpCloud) is interfering with the Electron backend retrieval, causing a race condition error to occur during Antigravity’s startup that prevents the conversation history from loading into the UI.
This troubleshooting session with Gemini contain details, logs, screenshots, etc.: https://gemini.google.com/share/31e86802665a

Screenshot 2026-04-10 at 12.57.44 PM
Screenshot 2026-04-10 at 12.57.44 PM1917×1078 279 KB

4

It is happening to me as well. It is local disk access, and I’m not using a proxy, so I suspect that might be a red herring.

5

Try this it might help you
https://www.reddit.com/r/google_antigravity/comments/1rqmr5m/comment/ofc8whx/

2 Likes
6

I am also having the same issue; all the chat data .pb files are on my local machine, but Antigravity can’t display it in the chat history tab. Looks like they have not fixed this issue. Many people are facing this problem from long time; they have not fixed it yet, need to fix it asap, chat history is very important.

7

Thank you for bringing the issue to our attention. Our engineering team is currently investigating the matter, and we appreciate your patience as we work toward a resolution.