Add CHANGELOG entry

jmid · jmid · commit f37621a4763d · 2023-05-01T18:17:12.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## NEXT RELEASE
 
+- fix #241 causing `QCheck.Shrink.int*` to emit duplicates, also affecting `QCheck.Shrink.{char,string}`
+- fix a cornercase where `Shrink.list_spine` would emit duplicates
 - ...
 
 ## 0.20
