WeBuilder

What's new in this version:

Fixed:
- Added Electron DLLs like libGLESv2.dll to symbol server. #26967 (Also in 10, 11, 12)
- Fixed systemPreferences.effectiveAppearance returning systemPreferences.getAppLevelAppearance(). #26881 (Also in 10, 11, 12)
- Fixed an issue where event.reply could sometimes not deliver a reply to an IPC message when cross-site iframes were present. #26928 (Also in 10, 11, 12)
- Fixed an issue where some buttons were un-clickable in some BrowserViews with draggable regions enabled. #26745 (Also in 10, 11)
- Fixed an issue whereby a corrupted async_hooks stack would crash the renderer when throwing some errors in the renderer process. #26748 (Also in 10, 11)
- Fixed an occasional crash on Windows related to NativeViewHost::SetParentAccessible. #26950 (Also in 10, 11, 12)
- Fixed usage of --disable-dev-shm-usage for apps using --no-sandbox on linux. #26806

Other Changes:
- Backported the fix to CVE-2020-16024: Heap buffer overflow in UI
- Security: backport fix for 1150649
- Security: backported fix for 1137603
- Security: backported fix for 1141350
- Security: backported the fix to CVE-2020-16014: Use after free in PPAPI
- Security: backported the fix to CVE-2020-16015: Insufficient data validation in WASM
- Security: backported the fix to CVE-2020-16022: Insufficient policy enforcement in networking