[Desktop-packages] [Bug 1909145] [NEW] Part of the application window becomes transparent and/or pixelated

Public bug reported: 1 When I open Firefox. There are many graphical bugs: some part of the window become pixelated and/or transparent ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: firefox 84.0+build3-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.8.0-7630.32~1607010078~20.04~383a644~dev

[Desktop-packages] [Bug 1907154] [NEW] application menu of pdf and text documents is not visible when the window is resized and made smaller

Public bug reported: 1. When opening a text document (with standard text editor) or a pdf with "Pdf viewer" and clicking on the "menu" icon at the top right of the window, the menu shows up correctly. 2.If I resize the window making it shorter than the menu itself, I would expect the menu to r