I found out that a workaround is to remove ~/snap/chromium/common/.cache/fontconfig before starting Chromium.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1864001 Title: "Save as" in chromium with unprintable characters Status in chromium-browser package in Ubuntu: New Bug description: In Chromium with the following version numbers (output of “snap list”): chromium 80.0.3987.100 1026 stable canonical✓ - (Ubuntu 19.10) the “Save as” dialog box consists only of unprintable characters, i.e., I see only small boxes instead of letters. I don’t observe this in comparable dialogs of other programs, e.g. Inkscape. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1864001/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp