What baffles me is the the incompatible feature matrix.
First of all, for some reason iOS users get the updates faster than the Android. I was exploring emoji reactions yesterday while my Android contact admitted the feature was not yet available for his device. I had to double check with Play Store to confirm.
I've found peace with the sync issues for the desktop client though, it got much more stable compare to 8 months ago. What still feels like a massive UX problem is inability to forward messages on the desktop. Given, i have lots of people coming from different places that do not know each other but share same interests it's just painstaking to copy/paste the same URL five time in a row.
And at the same time, there's no support for the Android tablets as secondary devices.
For a person deep in Apple ecosystem it felt weird to learn that Android users don't share the same experiences i do. That makes the sales pitch to try Signal way less appealing for the Android folk.