Elaborate in the blurb

mpage · mpage · commit 03c474ee491e · 2025-03-20T16:17:19.000-07:00
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-02-28-11-29-35.gh-issue-130704.7RDVLE.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-02-28-11-29-35.gh-issue-130704.7RDVLE.rst
@@ -1,2 +1,4 @@
 Optimize ``LOAD_FAST`` and its superinstruction form to reduce reference
-counting overhead.
+counting overhead. These instructions are replaced with faster variants that
+load borrowed references onto the operand stack when we can prove that the
+reference in the frame outlives the reference loaded onto the stack.
