Asaf Bartov, 29/11/2015 14:40:
One significant advantage of per-language Wikisources is that the interface language is appropriate
That's a bug, as well: https://phabricator.wikimedia.org/T58464
I agree it's shameful that WMF doesn't fix the most fundamental bugs which make collaboration harder, even when they've been known for a decade AND software is available to fix them.
Nemo