Your chromium/chrome or chromium-based browser may fail to start after recent updates. An error shown as,
$chromium /usr/lib/chromium/chromium: symbol lookup error: /usr/lib/chromium/chromium: undefined symbol: hb_subset_input_set_retain_gids
According to [Solved]Chromium will not launch / Applications & Desktop Environments / Arch Linux Forums, the problem is caused by upgrade of package: harfbuzz
You need to downgrade the package to fix it, for now.
$sudo pacman -U https://archive.artixlinux.org/packages/h/harfbuzz/harfbuzz-2.9.1-1-x86_64.pkg.tar.zst https://archive.artixlinux.org/packages/h/harfbuzz-icu/harfbuzz-icu-2.9.1-1-x86_64.pkg.tar.zst