Issue #22068: Avoided reference loops with Variables and Fonts in Tkinter.

diff --cc Lib/tkinter/__init__.py
Simple merge

diff --cc Misc/NEWS
index 18137d03a7852eccb748a954f05c5bbf36a545d2,58d23dda1777ec319f7b6dc38b11e065de28f9c2..3f7f47884faf08eee21ca12b604d2b21b82e278e
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -118,10 -27,10 +118,12 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #22068: Avoided reference loops with Variables and Fonts in Tkinter.
+ 
  - Issue #22165: SimpleHTTPRequestHandler now supports undecodable file names.
  
 +- Issue #15381: Optimized line reading in io.BytesIO.
 +
  - Issue #20729: Restored the use of lazy iterkeys()/itervalues()/iteritems()
    in the mailbox module.