Last modified: 2014-04-22 09:55:38 UTC
I've seen Raymond reverting l10n updates many times because the remove recently added English messages. This should be avoided.
This should be part of requirements when we start discussing repository handling rewrite, see for example https://www.mediawiki.org/wiki/Z%C3%BCrich_Hackathon_2014/Topics#Translate_extension_workshop