Those are the limits for MediaWiki, but we don't render thumbnails
with MediaWiki in Wikimedia production (we use Thumbor instead). The
limits for Thumbor are in
https://phabricator.wikimedia.org/source/operations-puppet/browse/production/modules/thumbor/templates/server.conf.erb$157.
Thumbor only
I don't know if this is your issue, but there's been problems in the past with
pages that had lots of small png or jpg images of national flags. Replacing
them with the svg and/or emoji versions solved the problem. Described in
https://phabricator.wikimedia.org/T267804
> On Nov 29, 2021,
This isn't a per page limit but a number of thumbnails per unit time. Wait
a little bit and revisit the page and more pictures should load. Eventually
all should. As long as nobody purges the image pages, once the image loads
once it should always load again in the future.
The current limits are
