bpo-33656: Add entry to What's New 3.7. (GH-7638)

This is a separate PR because this does not backport to 3.6.
(cherry picked from commit 8a05f559ce5064df68c8d4ebd7d4ed28381d9971)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst
index 297d9fa312ce69d032b367258378b5e984c89b3d..a7ea0af723a3ae99757d9bfe5cbc84b5c50773bc 100644 (file)
--- a/Doc/whatsnew/3.7.rst
+++ b/Doc/whatsnew/3.7.rst
@@ -991,6 +991,12 @@ colors for custom themes is added to Highlights tab of Settings dialog.
 (Contributed by Cheryl Sabella and Terry Jan Reedy in :issue:`33642`,
 :issue:`33768`, and :issue:`33679`,
 
+On Windows, a new API call tells Windows that tk scales for DPI. On Windows
+8.1+ or 10, with DPI compatibility properties of the Python binary
+unchanged, and a monitor resolution greater than 96 DPI, this should
+make text and lines sharper.  It should otherwise have no effect.
+(Contributed by Terry Jan Reedy in :issue:`33656`).
+
 The changes above have been backported to 3.6 maintenance releases.