Please support Creatice Commons 4.0 license.
Currently https://commons.wikimedia.org/wiki/Template:Cc-by-sa-4.0 and https://commons.wikimedia.org/wiki/Template:Cc-by-4.0 are existing.
See URL for a testcase.
Version: unspecified
Severity: enhancement
URL: https://test.wikipedia.org/wiki/User:Raymond/CC4
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=61896