--- a/CHANGELOG	Fri Sep 06 12:16:34 2019 +0700
+++ b/CHANGELOG	Fri Sep 06 12:53:46 2019 +0700
@@ -6,6 +6,7 @@
 
   * evolve: test that target is not orig in _solveunstable() (issue6097)
   * obslog: correct spacing of patch output with word-diff=yes (issue6175)
+  * stack: make sure to preserve dependencies, fixes certain complex cases
 
 
 9.1.0 -- 2019-07-29