Release Notes for v38.6.0

Fixes

Fixed an application crash when clicking or hovering over the native MacOS "Window" menu. Reverts #48598. #48801 ^{(Also in 39, 40)}
Fixed an issue on Wayland (Linux) where right-clicking in the titlebar could break mouse interactions. #48757 ^{(Also in 39, 40)}
Fixed an issue that menu items on macOS could not be disabled under all circumstances. #48710 ^{(Also in 37, 39)}
Fixed draw smoothing round corner issue. #48780 ^{(Also in 40)}
Fixed incorrect signal variable reference in nan-spec-runner that could cause install failures to go undetected. #48708 ^{(Also in 39)}