+* When tests fail to import ``python subunit.run -l ...`` will now write a
+ subunit file attachment listing the failed imports and exit 2, rather than
+ listing the stub objects from the importer and exiting 0.
+ (Robert Collins, #1245672)
+
+IMPROVEMENTS
+~~~~~~~~~~~~
+
+* Most filters will now accept a file path argument instead of only reading
+ from stdin. (Robert Collins, #409206)
+