Release Notes for v39.3.0

Features

Added support for WebSocket authentication through the login event on webContents. #49065 ^{(Also in 40)}

Fixed setRepresentedFilename() not setting AXDocument accessibility attribute on macOS. #49418 ^{(Also in 40)}
Fixed a potential race condition crash when opening DevTools. #49423 ^{(Also in 40)}
Fixed stack overflow when compiling deeply nested JS functions. #49360
Made toplevel icon Wayland protocol work. #49415 ^{(Also in 40)}
Requests sent via net are now capable of having their headers modified to use reserved headers via webRequest. #49242 ^{(Also in 40)}