bpo-40222: Mention zero-cost exceptions in whats-new for 3.11 (pythonGH-26021)

markshannon · web-flow · commit 78b2abca8e96 · 2021-05-12T11:31:48.000+01:00
diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
@@ -95,6 +95,9 @@ Optimizations
   fast as corresponding f-string expression.
   (Contributed by Serhiy Storchaka in :issue:`28307`.)
 
+* "Zero-cost" exceptions are implemented. The cost of ``try`` statements is
+  almost eliminated when no exception is raised.
+  (Contributed by Mark Shannon in :issue:`40222`.)
 
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