whatsnew-3.10: Mention PEP 647 in the Release highlights section. (GH-99853)

miss-islington · yilei · web-flow · commit fbe388162b57 · 2022-11-29T12:41:05.000-08:00
Mention PEP 647 in the Release highlights section. Also re-ordered the list so it matches the order in the details sections below. (cherry picked from commit d74a588) Co-authored-by: Yilei "Dolee" Yang <yileiyang@google.com>
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
@@ -77,8 +77,9 @@ Interpreter improvements:
 New typing features:
 
 * :pep:`604`, Allow writing union types as X | Y
-* :pep:`613`, Explicit Type Aliases
 * :pep:`612`, Parameter Specification Variables
+* :pep:`613`, Explicit Type Aliases
+* :pep:`647`, User-Defined Type Guards
 
 Important deprecations, removals or restrictions:
 
