Release Notes for v14.2.1

Features

Added warning when ipcRenderer.sendSync() is called with no listeners for channel on ipcMain. #31433 (Also in 13, 15, 16)

Fixed <webview> background transparency regression. #31727
Fixed a crash when a BrowserWindow is closed subsequent to its webContents being destroyed. #31645 (Also in 15, 16)
Fixed a tracing agent-related crash when initializing Node.js in service workers. #31475 (Also in 15, 16)
Fixed an issue where Content-Disposition filenames would be incorrectly truncated at the first comma for a filename attachment which contained one. #31692 (Also in 13, 15, 16)
Fixed an issue where MediaMetadata did not work properly. #31533 (Also in 13, 15, 16)
Fixed an issue which caused print settings to not work properly when printing silently. #31617 (Also in 13, 15, 16)
Fixed black window when screen capturing a content-protected BrowserWindow on Windows 10. #31551 (Also in 13, 15, 16)
Fixed event with invalid timestamp in trace log. #31421 (Also in 15, 16)

2021-11-08 (894 days ago) 93.0.4577.82 14.17.0

Began passing securityOrigin in details for permission request handlers for media requests in addition to permission check handlers. #31436 (Also in 13, 15, 16)

Fixed a JavaScript exception from webContents if render frame was disposed in WebFrameMain, resets the value of render_frame_disposed_ after updating render frame host. #31425 (Also in 15, 16)
Fixed a potential crash when setting nativeTheme.themeSource on macOS. #31428 (Also in 15, 16)
Fixed an potential crash in WebContents::MessageTo when a render frame has been destroyed. #31333 (Also in 13, 15, 16)
Fixed crash when changing zoom level for webview. #31374 (Also in 15, 16)
Fixed possible 'Object has been destroyed' error when calling window.open with a frame name and using setWindowOpenHandler. #31467 (Also in 15, 16)
Generate valid config.gypi file in Node.js headers. #31443 (Also in 15, 16)
Removes several Chromium private enterprise APIs from Mac Apple Store builds. #31487 (Also in 15, 16)

Changed Web Serial to use ses.setDevicePermissionHandler to allow developers more control over Web Serial permissioning. #31440 (Also in 15, 16)
Security: backported fix for CVE-2021-37976. #31230
Security: backported fix for CVE-2021-37978. #31362
Security: backported fix for CVE-2021-37979. #31358
Security: backported fix for CVE-2021-37980. #31364

2021-10-20 (912 days ago) 93.0.4577.82 14.17.0