I've been using Texstudio for years, but suddenly the top menu line with the tabs file, latex, mathematics, bibliography, options etc. disappears. I am using 4.7.2 version of Texstudio on Ubuntu 24.04 ...

I have been using TeXstudio for over 7 years. Recently I installed MacOS version thru HomeBrew since it is a good way to maintain all the formulae and casks. I found the App name in both Application ...