Next Amber release will be 0.19.0.

API-CHANGES.txt

@@ -1,4 +1,4 @@
-0.18.6:
+0.19.0:
 
 * Remove class Thenable, add trait TThenable.
 * Behavior / Trait hierarchy uses traits.

CHANGELOG

@@ -1,4 +1,4 @@
-? April 2017 - Release 0.18.6
+? April 2017 - Release 0.19.0
 ===================================
 
 * Removed BehaviorBody in favour of traits TBehaviorDefaults and TBehaviorProvider.