623476 [windows] gdk fails to compile
623520 gtk+ 3 fails to build from outside git source tree
623845 Use -Bsymbolic
+ 461618 use GSlice for gtkrequisition
* Deprecations and cleanups:
- GdkRegion has been removed, and region-using code has been ported
- Update the DND code for GdkDevice changes
* Translation updates:
+ Breton
+ Czech
Estonian
Galician
Hebrew
Kazakh
+ Norwegian bokmål
Slovenian
+ Simplified Chinese
Spanish