Google Antigravity 2.0 broke the IDE, deleted project history, and removed Claude Code. Here's how to fix it.
It just updated. No warning. Nothing
No warning. No prompt. No "hey, we're about to change everything you're currently working with." It just updated.
I was in the middle of a project when Google Antigravity decided it was a great time to push 2.0. And when I say it updated, I mean it really committed. It did not just update the app. It wiped my project chat histories. Gone. And while it was at it, it also removed the IDE and the code editor I had set up, plus the Claude Code extension that was inside it.
So I'm sitting there looking at a completely different application than the one I had five minutes ago, with none of my work context and none of my tools.
Troubleshooting
My first instinct was that something broke on my end. So I started doing the normal things. Restarting, checking settings, looking for the IDE in places it was not. Classic troubleshooting denial.
Eventually I went online to figure out what was going on, because clearly something was off. That's when I found out Google had officially released Antigravity 2.0 and it comes with a completely rearchitected setup. The IDE is no longer part of the base application. They separated it into its own standalone product.
Cool. Would have been nice to know that before it happened automatically on a machine I was actively using.
So now I'm reinstalling things. First I reinstalled Antigravity 2.0. Then I went to find the IDE, which, again, is now its own separate download. Got that. Then I went looking for the Claude Code extension.
It was nowhere.
Not in the extensions panel. Not in any obvious place. The extension that was sitting there working perfectly in 1.x simply does not show up in 2.0 the way it used to. So now I'm in a proper troubleshooting loop, trying different things, reading threads, going around in circles.
I wasn't the only one
I was not the only one dealing with this. The internet had plenty to say about the update and none of it was particularly generous. The general reaction ranged from confused to genuinely frustrated. One comment I came across put it pretty plainly: removing the IDE as part of an automatic update is just not a reasonable thing to do to your users, and a lot of people across different forums agreed. This was not a small complaint. People with active projects, active workflows, lost things they were not expecting to lose.
It is hard to argue with that reaction when you are living it.
How I fixed it
After going through the 2.0 reinstall path and hitting walls with the Claude Code extension, I ended up doing the thing I probably should have done much earlier.
I wiped Antigravity 2.0 completely. Then I downloaded Antigravity 1.23.2 and reinstalled from there.
That's it. Everything came back. The IDE works, the code editor is there, the Claude Code extension is back where it should be. 1.23.2 is the stable version that still has the integrated setup that 2.0 decided to blow up.
If you are in the same situation right now, skip the 2.0 troubleshooting entirely. It is not worth the time. Roll back.
How to roll back
Here is the short version of what to do:
Step 1: Uninstall Antigravity 2.0 completely from your system. Make sure you also remove the separate IDE if you downloaded that during the troubleshooting phase.
Step 2: Go to the official Antigravity releases page and download version 1.23.2 specifically. Do not just download the latest. You want 1.23.2.
Step 3: Install it and open it. The Claude Code extension should be accessible again through the standard extensions path inside the IDE.
Step 4: Do not let it auto-update. At least not until Google figures out what they are doing with the 2.0 architecture and the extension situation is actually resolved.
This should've never happened
The update itself breaking things is one thing. Software updates have bugs. That happens.
The part that is harder to overlook is that this was automatic. Nobody opted into losing their IDE or their chat history. It just happened because Antigravity decided it was time. And when users went looking for answers, there was no clear migration path, no documentation that explained the extension situation in plain terms, and no easy way to get back to what was working.
That is not a minor oversight for a tool that people are actively building things in. If you are going to rearchitect the whole product and separate out the IDE, that is a conversation you have with your users before you push the update. Not after.
For now, 1.23.2 is the move. When 2.0 actually works the way it should, I'll revisit. Until then, it is staying off.
Frequently asked questions
- Why did Antigravity 2.0 delete my project history?
- he 2.0 update rearchitected how projects and sessions are stored. The migration did not carry over existing chat histories, so anything you had before the update is gone. There is no recovery path inside 2.0 itself. Rolling back to 1.23.2 will not restore them either, but at least everything going forward will work the way it should.
- Where did my IDE go after the Antigravity 2.0 update?
- Google separated the IDE into a standalone product in 2.0. It no longer comes bundled with the base application. You have to download and install it separately, which is not made obvious during or after the update.
- Why is the Claude Code extension missing in Antigravity 2.0?
- The extension does not surface correctly in the 2.0 environment. Whether that is a compatibility issue or an oversight in the new architecture is not clear, but the result is the same: it is not there where you expect it to be. The cleanest fix right now is rolling back to 1.23.2 where it works without any issues.
- How do I roll back to Antigravity 1.23.2?
- Uninstall Antigravity 2.0 and the standalone IDE if you downloaded it. Then download version 1.23.2 specifically from the official releases page and install it fresh. Do not rely on any auto-update or installer that pulls the latest version.
- Can I stop Antigravity from auto-updating after I roll back?
- Yes. Once you are on 1.23.2, go into the application settings and disable automatic updates. This keeps you on the stable version until 2.0 is actually in a usable state.
- Is Antigravity 2.0 fixable without rolling back?
- Possibly, eventually. But right now there is no clean documented fix for the Claude Code extension issue inside 2.0. If you need a working setup today, rolling back is the only reliable option.