bpo-44490: Add 'Whats New' docs regarding types.Union changes (GH-27215) (GH-27368)

(cherry picked from commit 6c1b57d958e2b0d5bcf0f2315b5044838e11638f)

Co-authored-by: Yurii Karabas <1998uriyyo@gmail.com>

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index e395ce5ba1a0a72a4dbc28a6a65a8d0d49ed9987..6a61c4d32e76e7adf50fd40086d5c8f0606a6f63 100644 (file)
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -747,7 +747,8 @@ and :func:`issubclass`::
 
 See :ref:`types-union` and :pep:`604` for more details.
 
-(Contributed by Maggie Moss and Philippe Prados in :issue:`41428`.)
+(Contributed by Maggie Moss and Philippe Prados in :issue:`41428`,
+with additions by Yurii Karabas and Serhiy Storchaka in :issue:`44490`.)
 
 
 PEP 612: Parameter Specification Variables