On Mon, Dec 21, 2020 at 4:37 AM Michael Schwendt <mschwe...@gmail.com> wrote: > > In the attached screenshot excerpt it's the bold "a" character that is > missing everywhere within the entire main window of Claws Mail. In other > cases, it's a different character. Sometimes it is not missing but > visually corrupted, looking like random "garbage" data. > > Fedora 33 x86_64 GNOME Shell on Wayland, and Claws Mail is based on GTK+ 2. > > What part of the rendering process could be the culprit? Pango?
Most likely the GPU driver. This is a symptom of a corrupted Xft glyph cache inside the Xwayland X server. (It's not impossible that the glyph was corrupted before upload by some other component, but that's much less likely - especially if it seems to be hardware dependent.) Owen _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
