Yes, I believe it has something to do with the new changes implemented because of the usernames.
Well, let them know about it, you have few options for that: GitHub, Official Forum or Signal Support website (how to get debug logs? read here).
There is also unofficial instance on Lemmy, cross post it over there.
I have the same problem on Signal (PNP), custom rom.
Hopefully they will make it costly enough so that the people will stop using it and as a result choke MetaZucc's AI data training and research
c'mon Signal, gimme that apk & I give you some logs in return, don't make it hard on me
No place to hide:
Further, the FTC alleged that there are no real ways for consumers to opt out of Kochava's data marketplace, because even resetting their mobile advertising IDs—the data point that's allegedly most commonly used to identify users in its database—won't stop Kochava customers from using its products to determine "other points to connect to and securely solve for identity.”
~~this is the end~~
Here you can take a look at popularity by device