Hi Carlos,

 CN> Is there some kind of changelog? I would like to know what's new since
 CN> 1.6.7.

Into 1.6.8 are a few tossing bugs fixed... There is no changelog sorry...

 CN> Anyway I found a workaround: if I enter something in Settings -> Reply
 CN> header (e.g. "Hi %fromfirst") I no longer have this issue  -- I can
 CN> safely remove anything below that.

This is the way i always use it from the start i never have test it without this, but on this moment i can not test more as i dont have only my Iphone, into next week i get a new device from a company for testing Anbox on Ubuntu Touch then i can test it again.

But indeed this can be a bug into the editor, but it will not fixed soon even i can not say when.... 

Greetings,
Rudi
--- Mystic BBS v1.12 A47 2021/06/21 (Linux/64)