DOC: Update 0.7.0 changelog with forgotten item #174

bluss · Mar 30, 2021 · bf4ee7e · bf4ee7e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,8 +8,12 @@ Recent Changes (arrayvec)
   This works around performance issue #182, where the const fn version did not
   optimize well. Change by @bluss with thanks to @rodrimati1992 and @niklasf
   for analyzing the problem.
+
 - The deprecated feature flag `unstable-const-fn` was removed, since it's not needed
 
+- Optimize `.retain()` by using the same algorithm as in std, change by @niklasf,
+  issue #174.
+
 ## 0.6.1
 
 - The ``ArrayVec::new`` and ``ArrayString::new`` constructors are properly