The writing experience improved a lot with an update this autumn. Doesn't seem slow at all for me, makes me wonder if you had a flawed or early version.
I bought mine in May, so that sounds like I just missed it.
Bummer!
Unfortunately, retailers in Switzerland don't stock it, otherwise I would like to check out the improvements to confirm that my experience was just blemished by being an early adopter.
https://blog.remarkable.com/software-update-1-8-improved-bru...