diff --git a/NEWS b/NEWS
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+++ b/NEWS
@@ -58,6 +58,15 @@ with all sufficient information, see the ChangeLog file or Redmine
 
 === Implementation improvements
 
+* Speedup `Proc#call` because we dont' need to care about `$SAFE` any more.
+  [Feature #14318]
+  With `lc_fizzbuzz` benchmark which uses so many `Proc#call` we can measure
+  x1.4 improvements [Bug #10212].
+
+* Speedup `block.call` where `block` is passed block parameter. [Feature #14330]
+  Ruby 2.5 improves block passing performance. [Feature #14045]
+  Additionally, Ruby 2.6 improves the performance of passed block calling.
+
 * `--jit` option to enable JIT compiler is added. [Feature #14235] [experimental]
 
 * VM generator script renewal; makes the generated VM more optimized. [GH-1779]