User58274 They just dont work reliably. They did work pretty good for a long time but since about 2 weeks I just have to be lucky to get them. Wondering if anybody else has the same problem.
Qurstionquoter Did you double check the notification settings in the app itself, in the settings/apps/signal, and in settings/notifications? And the battery optimisation and the background internet usage? Everything green there?
missing-root Where do you get it from. Molly-FOSS works fine but uses up quite some battery. SimpleX has a few granular options for the sync interval
NightSky It's being looked at by Signal. They've said there may be issues with with them not receiving FCM messages while the app is running in the background.