Release Notes for v12.1.1 Fixes Fixed transparent frameless windows having an opaque background when opened in a maximized state. #30863 (Also in 13, 14, 15) Other Changes Backported fix for chromium:1206289. #30822 Backported fix for chromium:1227228. #30816 Security: Backported fix for 1231134. #30762 (Also in 11) Security: backported fix for chromium:1221047. #30818