Add NEWS entry

pablogsal · pablogsal · commit 0b8b45b2effa · 2025-12-01T14:54:26.000Z
diff --git a/Misc/NEWS.d/next/Library/2025-12-01-14-43-58.gh-issue-138122.nRm3ic.rst b/Misc/NEWS.d/next/Library/2025-12-01-14-43-58.gh-issue-138122.nRm3ic.rst
@@ -0,0 +1,5 @@
+The :mod:`_remote_debugging` module now implements frame caching in the
+:class:`RemoteUnwinder` class to reduce memory reads when profiling remote
+processes. When ``cache_frames=True``, unchanged portions of the call stack
+are reused from previous samples, significantly improving profiling
+performance for deep call stacks.
