We broke switching calendar model it seems. One example is the date of birth in https://www.wikidata.org/wiki/Q1977210. Clicking "change to Julian" in the input expander does nothing.
Version: master
Severity: normal
Whiteboard: u=dev c=frontend p=5 s=2014-08-26
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=70398