I’ve mostly ignored Ycash and Ywallet this whole time, but now actually I’ve been using Ywallet primarily since a few weeks after Orchard. Nighthawk and Unstoppable couldn’t sync on my phone, and ZecWallet Lite stopped working on the laptop I use as a phone in a pinch Dom Joly style, and I haven’t been able to update zcashd on my server running old linux old glibc. (ZWL is now OK again since recent updates past couple weeks.)
I haven’t read the op proposal carefully, just needed to catalog this personal experience with a post somewhere mostly appropriate so here it goes