rebase on master, update changelog.

Author: cristianoc

CHANGELOG.md

@@ -12,6 +12,10 @@
 
 # master
 
+#### :boom: Breaking Change
+
+- Vendor genType, which does not need to be installed separately anymore. **Only TypeScript back-end** supported.
+
 #### :nail_care: Polish
 
 - Print patterns in warnings using rescript printer https://github.com/rescript-lang/rescript-compiler/pull/5492