Add blurb entry.

markshannon · markshannon · commit b6ad2379aa16 · 2020-01-23T09:30:36.000Z
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-01-15-15-50-22.bpo-39320.oWARyk.rst b/Misc/NEWS.d/next/Core and Builtins/2020-01-15-15-50-22.bpo-39320.oWARyk.rst
@@ -0,0 +1,12 @@
+
+Replace two complex bytecodes for building dicts with two simpler ones.
+
+The following bytecodes have been removed:
+
+* BUILD_MAP_UNPACK
+* BUILD_MAP_UNPACK_WITH_CALL
+
+The following three bytecodes have been added:
+
+* DICT_MERGE
+* DICT_UPDATE
