Changes since 3.7:
- use default emoji tone in suggestions and in inline emoji search, by @eranl (#2321, #2093)
- enable predictive back gesture, by @tedgravlin (#2256)
- fix small parentheses weren't reverted for RTL scripts, by @eranl (#2253)
- add setting to change height of bottom row (#1199)
- improve internal handling of cursor position, mostly relevant for combiners as used by Korean
- add info links to gesture data gathering screen