bpo-43760: Document PyThreadState.use_tracing removal (GH-28527)

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index d1a1cb45dea1f7b8ede67419256b9279408361aa..4aa0cd410d5be1362ff267d5e0a32e75777df608 100644 (file)
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -2305,3 +2305,6 @@ Removed
   These functions were undocumented, excluded from the limited C API, and were
   only used internally by the compiler.
   (Contributed by Victor Stinner in :issue:`43244`.)
+
+* The ``PyThreadState.use_tracing`` member has been removed to optimize Python.
+  (Contributed by Mark Shannon in :issue:`43760`.)