id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 20922,Allow customizing the serializer used by contrib.sessions,gwahl@…,Tim Graham,"The `django.contrib.sessions.backends.signed_cookies` session backend should be written in a way that allows subclasses to use their own serializer implementation. This will allow using JSON instead of Pickle to serialize sessions. For background, see #20444 and https://groups.google.com/d/topic/django-developers/YwlZ9m9k1bE/discussion.",New feature,closed,contrib.sessions,1.5,Release blocker,fixed,,,Accepted,1,0,0,0,0,0