What's your go to e-reader these days?

I'm just re-discovering the 2015 Kindle paper white I bought years ago and had stopped using...because overall I had started reading less. I'm using it with a new appreciation for how great of a form factor it is for my hands + a pop socket. Carry it with me everywhere, tucks into my jacket pocket or backpack when I'm heading to work.

I'm not the biggest fan of Amazon, but I load it with Calibre so where possible I try to get my ebooks from elsewhere.

Anyway Im wondering what you all are reading on and why. What're the latest advances in ereader technology since 2015? Am I missing out on something?