Created attachment 126177 [details] Screen shot of sample gtk app with "Utopia" selected as system font SUMMARY Certain fonts when selected as default for plasma produce unreadable fonts in gtk applications. STEPS TO REPRODUCE 1. Select "Utopia" as the general system font. 2. Go to Application Style --> Configure GNOME/GTK Application Style... 3. At GTK2 theme or GTK3 theme, push "Preview..." OBSERVED RESULT 1. Text is unreadable EXPECTED RESULT 1. Readable text SOFTWARE/OS VERSIONS Linux openSUSE Thunderbird Kernel 5.5.2 (available in About System) KDE Plasma Version: 5.18.0 KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION This could be worked around when there was an option to select a different font for GTK apps. Since this option has been removed, there seems to be no remedy
Out of curiosity, can you provide: What graphics card is in use on your computer? What is your locale? You can find this by opening Konsole and running the "locale" command.
(In reply to A. Wilcox (awilfox) from comment #1) > Out of curiosity, can you provide: > > What graphics card is in use on your computer? > > What is your locale? You can find this by opening Konsole and running the > "locale" command. Graphics card is nothing fancy---just Intel HD onboard graphics (i7 3770S). Locale is en_US.UTF-8.
(In reply to A. Wilcox (awilfox) from comment #1) > Out of curiosity, can you provide: > > What graphics card is in use on your computer? > > What is your locale? You can find this by opening Konsole and running the > "locale" command. Apparently some recent update has fixed this issue. I would consider it resolved.
Thanks for confirmation. Must not have been a breeze-gtk issue.