Add what's new about button widget blitting

QuLogic · QuLogic · commit 2eeaae8eefe5 · 2022-12-29T15:11:55.000-05:00
diff --git a/doc/users/next_whats_new/widget_blitting.rst b/doc/users/next_whats_new/widget_blitting.rst
@@ -0,0 +1,7 @@
+Blitting in Button widgets
+--------------------------
+
+The `.Button`, `.CheckButtons`, and `.RadioButtons` widgets now support
+blitting for faster rendering, on backends that support it, by passing
+``useblit=True`` to the constructor. Blitting is enabled by default on
+supported backends.
