I suspect OP suffers from this: www.osso.nl/blog/chromium-snap-wrong-fonts
Clearing out the font cache `rm /var/snap/chromium/common/fontconfig/*` and restarting chromium is the only thing that reliably works for me. I think "Refresh App Awareness" might be a workable workaround, as Chromium tends to update when I least want it. Enabling that now. -- 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/1954980 Title: [snap] Chromium showing Japanese fonts incorrectly Status in chromium-browser package in Ubuntu: Confirmed Bug description: It simply shows square rectangles for all Japanese characters this occurred after a recent update (earlier this week), a restart fixed it the first time but now it has reverted, probably after another update. ProblemType: Bug DistroRelease: Ubuntu 20.04 ProcVersionSignature: Ubuntu 5.4.0-91.102-generic 5.4.151 Uname: Linux 5.4.0-91-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Dec 16 11:54:12 2021 InstallationDate: Installed on 2019-02-08 (1041 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) Snap: chromium 96.0.4664.110 (latest/stable) SnapSource: ubuntu/+source/chromium-browser UpgradeStatus: Upgraded to focal on 2021-12-01 (14 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1954980/+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