brave/brave-browser
PWA window outside frame corners remain rounded on Linux even with system titlebar enabled
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#53,461 创建于 2026年3月9日
OS/DesktopOS/Linuxfeature/pwahelp wantedpriority/P5
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描述
Brave Version: 1.87.192 (Chromium 145.0.7632.120) OS: Ubuntu 24.04.4 LTS DE: GNOME 46.0 on X11 GPU: AMD Radeon Vega
Problem
PWA app windows (e.g. WhatsApp Web) have rounded outside window frame corners that cannot be disabled.
What I tried:
- "Use system title bar and borders" = ON ✅
- "Show rounded corners on main content areas" = OFF ✅
- Added --use-system-title-bar to PWA desktop file ✅
- Disabled BraveWebViewRoundedCorners flag ✅
- All failed — PWA corners still rounded ❌
Proof this is Brave controlled:
- Regular Brave browser windows = square corners ✅
- Pure GTK apps = square corners ✅
- Only Brave PWA windows = rounded ❌
- Changing GTK theme has zero effect on PWA corners
Expected behavior:
PWA windows should respect "Use system title bar" setting exactly like regular Brave windows do.