Design Mode Lasso Bug

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1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Hey! In Glass, if you enter design mode, and lasso outside of the IDE and come back into the close the selection, the browser preview stutters and shifts.

Steps to Reproduce

  1. open localhost in a new glass browser window
  2. click on design tool
  3. lasso any object but also drag mouse out of window and back in to create the selection
  4. watch the UI endlessly shift

Expected Behavior

no shifting.

Operating System

MacOS

Version Information

Version: 3.2.4
VSCode Version: 1.105.1
Commit: 6f5bee3dc12a044d51d459930b141a7adf51fe50
Date: 2026-04-21T17:07:32.395Z
Layout: glass
Build Type: Stable
Release Track: Nightly
Electron: 39.8.1
Chromium: 142.0.7444.265
Node.js: 22.22.1
V8: 14.2.231.22-electron.0
OS: Darwin arm64 25.4.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

7

Thanks for reporting! I’ve reproduced this bug and filed an internal bug report. We’ll let you know when its resolved. Appreciate you taking the time to notify us on the forum.