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)