Not sure how popular is the Flatpak build for Trilium, but it's worth investigating how to set it up.

Regarding this, note:

Apparently Zadam downgraded Electron from 28.1.0 to 25.9.8 on Jan 4th 2024. First release to have it is 0.63.0-beta.

Found a potential reason in v0.63.1.1-beta:

downgrades to try to fix flatpak build