<maplink> fails to load if user's skin is set to "monobook". To test, either set your Appearance preferences to "Monobook", or use one of these links with the &useskin=monobook param.
https://ru.wikipedia.org/?oldid=80782242&useskin=monobook#/maplink/1
Same with debug enabled:
https://ru.wikipedia.org/?oldid=80782242&useskin=monobook&debug=1#/maplink/1
Debugging shows that all map tiles get downloaded, but the HTML to show them differs
<div class="leaflet-layer"> <!-- this line differs - it has an extra class "leaflet-zoom-animated" --> <div class="leaflet-tile-container leaflet-zoom-animated"></div> <div class="leaflet-tile-container leaflet-zoom-animated"> <!-- the "top" attribute gets totally miscalculated --> <img class="leaflet-tile leaflet-tile-loaded" src="https://maps.wikimedia.org/osm-intl/3/1/2@1.3x.png" style="height: 256px; width: 256px; left: 603px; top: 5394px;"> ...
Change 310559 had a related patch set uploaded (by JGirault):
Map should take viewport width/height instead of body width/height
Change 310559 merged by jenkins-bot:
Map should take viewport width/height instead of body width/height
Change 310590 had a related patch set uploaded (by Yurik):
Map should take viewport width/height instead of body width/height
Change 310590 merged by jenkins-bot:
Map should take viewport width/height instead of body width/height
Change 310608 had a related patch set uploaded (by Yurik):
Map should take viewport width/height instead of body width/height
Change 310608 merged by jenkins-bot:
Map should take viewport width/height instead of body width/height
Mentioned in SAL (#wikimedia-operations) [2016-09-14T18:45:15Z] <thcipriani@tin> Synchronized php-1.28.0-wmf.19/extensions/Kartographer/modules/box/Map.js: SWAT: [[gerrit:310590|Map should take viewport width/height instead of body width/height (T145521)]] (duration: 00m 47s)
Mentioned in SAL (#wikimedia-operations) [2016-09-14T18:57:56Z] <thcipriani@tin> Synchronized php-1.28.0-wmf.18/extensions/Kartographer/modules/box/Map.js: SWAT: [[gerrit:310608|Map should take viewport width/height instead of body width/height (T145521)]] (duration: 00m 47s)
Users reported this issue is back. I tried it on ru-wiki, after switching my preferences to monobook, and viewing the governor's <maplink> item, and i get an infinite loading screen.
Change 320159 had a related patch set uploaded (by Yurik):
Fix monobook <maplink> (missing debounce dep)
Change 320160 had a related patch set uploaded (by Yurik):
Fix monobook <maplink> (missing debounce dep)
Mentioned in SAL (#wikimedia-operations) [2016-11-07T14:10:55Z] <hashar@tin> Synchronized php-1.29.0-wmf.1/extensions/Kartographer/extension.json: Fix monobook <maplink> (missing debounce dep) T145521 (duration: 00m 47s)