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 18302 1.4 cache session storage is not backward compatible slymsg@… nobody "I just updated from 1.3 to 1.4 using django.contrib.sessions.backends.cache and my sessions were lost. Apparently the cache backend in 1.4 uses an extra prefix to store the session_key in the cache: KEY_PREFIX = ""django.contrib.sessions.cache"" Since this prefix cannot be configured from the settings, I had to create a new cache session backend based on the 1.4 version, setting KEY_PREFIX to """". I cannot find anything about this change in the changelogs. Did I miss something?" Bug closed Documentation 1.4 Normal invalid Unreviewed 0 0 0 0 0 0