Installing latest candidate snap package of Libreoffice (latest/candidate 7.2.4.1) within Ubuntu 20.04.3 LTS doesn't show many languages, e.g. Hebrew
When installing the Flatpak version (7.2.4.1) or even the legacy Ubuntu-focal repo version (1:6.4.7-0ubuntu0.20.04.2) Hebrew locale is supported and shown.
Please add Hebrew locale to the snap versions.
All the best
Uri
Then remove this buggy snap by
and then install LibreOffice from official PPA using deb-packages: