[Bug]: Antigravity Google sign-in fails In Latest Version

[sunjay-dev]

Before submitting

• I searched existing issues and did not find a duplicate.
• I included enough detail to reproduce or investigate the problem.

Area

apps/desktop

Steps to reproduce

1. Open T3 Code.
2. Go to Settings → Providers.
3. Add or enable the Antigravity provider.
4. Install Antigravity using the built-in setup.
5. Attempt to connect a Google account.
6. Observe the result.

Expected behavior

The Google sign-in flow should open, allowing the user to select or sign in to a Google account and complete authentication.

Actual behavior

The Google sign-in flow does not open.

Instead, the sign-in attempt fails and the provider displays:

"Google sign-in failed. Start sign-in again."

Clicking the retry button results in the same behavior.

Impact

Blocks work completely

Version or commit

0.0.43-nightly.20260918.1895

Environment

OS: Windows 11

Logs or stack traces

No relevant logs available.

Screenshots, recordings, or supporting files

Screenshot 2026-09-18 214431.png

Workaround

No workaround found.

[juliusmarminge]

Duplicate of #9624 — same Windows Antigravity Google sign-in flow: browser/sign-in UI never opens and auth fails (here: "Google sign-in failed. Start sign-in again."). Please follow/add details on #9624.

[juliusmarminge]

Closing as duplicate of #9624.