Issue #14684: Add support for predefined compression dictionaries to the zlib module.

Original patch by Sam Rushing.
diff --git a/Misc/NEWS b/Misc/NEWS
index 2f9236f..c919c69 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,9 @@
 Library
 -------
 
+- Issue #14684: zlib.compressobj() and zlib.decompressobj() now support the use
+  of predefined compression dictionaries. Original patch by Sam Rushing.
+
 - Fix GzipFile's handling of filenames given as bytes objects.
 
 - Issue #14772: Return destination values from some shutil functions.