As per https://gitlab.freedesktop.org/fontconfig/fontconfig/-/issues/409#note_2298588 this can also be fixed by adding an additional rule to /etc/fonts/conf.d/70-no-bitmaps.conf of the form:
<patelt name="scalable"><bool>false</bool></patelt> ** Bug watch added: gitlab.freedesktop.org/fontconfig/fontconfig/-/issues #409 https://gitlab.freedesktop.org/fontconfig/fontconfig/-/issues/409 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to fontconfig in Ubuntu. https://bugs.launchpad.net/bugs/2054924 Title: color emoji are broken with fontconfig 2.15 Status in Fontconfig: Fix Released Status in fontconfig package in Ubuntu: Triaged Status in fonts-noto-color-emoji package in Ubuntu: Triaged Status in fontconfig package in Debian: Confirmed Bug description: The Noto Color Emoji font is no longer used to show emoji. Many emoji no longer show and the few that do are not in color. To manage notifications about this bug go to: https://bugs.launchpad.net/fontconfig/+bug/2054924/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp