The WMF has announced that they will be making improvements to the map infrastructure during the first half of 2018.
Improvements includes making the infrastructure more stable and "All map location names should be shown in the user's language" (I'm not sure if the later is about the data?).
Project page on Mediawiki.org: https://www.mediawiki.org/wiki/Map_improvements_2018
Board on Phabricator: https://phabricator.wikimedia.org/project/board/2828/query/rSWQ9zrVUVS0/
// Albin User:Abbe98