Signal 5.40.4 on Pixel 5a (barbet) SQ3A.220605.009.A1.2022060701.
Cannot set custom notification tones for individual senders.
This is my first go at graphene since copperhead on Nexus6p and I've got most things working.
This? Not so much.
No me neither never set one so hadn't noticed, are you using the app direct from Signal or Play Services?
MetropleX direct from Signal. But that app has always been able to coming from Calyx.