47.5
====
* Synchronize device enabled state when adding device [Yao; !4188]
* Do not use modifiers if surface should be sharable [Michel; !4219]
* Fix notifying shell about modifier-only keyboard layout switches
  [Olivier; !4232, !4237]
* Fixed crashes [Jonas, Philip; #3839, !4222]
* Misc. bug fixes and cleanups [Michel, Alessandro, Daniel; !4208, !4225, !4228]

Contributors:
  Alessandro Astone, Michel Dänzer, Olivier Fourdan, Daniel van Vugt,
  Yao Wei (魏銘廷), Philip Withnall, Jonas Ådahl