Release Notes for v41.0.0

Features

Added validation to protocol client methods to reject protocol names that do not conform to the RFC 3986 URI scheme grammar. #50155 ^{(Also in 38, 39, 40)}
Fixed an issue where Chrome Devtools menus may not appear in certain embedded windows. #50137 ^{(Also in 39, 40)}
Fixed an issue where additionalData passed to app.requestSingleInstanceLock on Windows could be truncated or fail to deserialize in the primary instance's second-instance event. #50154 ^{(Also in 38, 39, 40)}
Fixed an issue where nodeIntegrationInWorker overrides in setWindowOpenHandler were not honored for child windows sharing a renderer process with their opener. #50134 ^{(Also in 38)}
Fixed an issue where screen.getCursorScreenPoint() crashed on Wayland when it was called before a BrowserWindow had been created. #50105 ^{(Also in 39, 40)}
Fixed an issue where invalid characters in custom protocol or webRequest response header values were not rejected. #50132 ^{(Also in 38, 39, 40)}
Fixed an issue where permission and device-chooser handlers received the top-level page origin instead of the requesting subframe's origin. #50148 ^{(Also in 38, 39, 40)}
Reverted AltGr key fix that caused menu bar to no longer show on Windows. #50111 ^{(Also in 39, 40)}