* (bug 31676) ResourceLoader should work around IE stylesheet limit.
* (bug 40498) ResourceLoader should not output an empty "@media print { }" block.
* (bug 40500) ResourceLoader should not ignore media-type for urls in debug mode.
+* (bug 40660) ResourceLoaderWikiModule should not convert " " to a space
+ for pages from the MediaWiki-namespace.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.