add news

Author: iritkatriel

Doc/whatsnew/3.12.rst

@@ -397,6 +397,12 @@ sys
   with contributions from Gregory P. Smith [Google] and Mark Shannon
   in :gh:`96123`.)
 
+* Add ``sys.last_exc`` which holds the last unhandled exception that
+  was raised (for post-mortem debugging use cases). Deprecate the
+  three fields that have the same information in its legacy form:
+  ``sys.last_type``, ``sys.last_value`` and ``sys.last_traceback``.
+  (Contributed by Irit Katriel in :gh:`102778`.)
+
 
 Optimizations
 =============
@@ -488,6 +494,9 @@ Deprecated
   contain the creation time, which is also available in the new ``st_birthtime``
   field. (Contributed by Steve Dower in :gh:`99726`.)
 
+* The ``sys.last_type``, ``sys.last_value`` and ``sys.last_traceback`` fields.
+  Use ``sys.last_exc`` instead. (Contributed by Irit Katriel in :gh:`102778`.)
+
 Pending Removal in Python 3.13
 ------------------------------
 

Misc/NEWS.d/next/Core and Builtins/2023-03-17-13-43-34.gh-issue-102778.ANDv8I.rst

@@ -0,0 +1,2 @@
+Add ``sys.last_exc`` and deprecate ``sys.last_type``, ``sys.last_value`` and
+``sys.last_traceback``, which have the same info in its legacy form.