The Multimedia team was just speaking about improving performance of UI changes for uploads in UW. This task tracks that process - I'm going to start investigating now and I'll file subtasks as necessary.
|Resolved||matthiasmullie||T135085 Increase the limit of 50 uploads at once (maxUploads)|
|Resolved||MarkTraceur||T153210 Make upload interface changes a little snappier|
|Resolved||matmarex||T153475 Trying to scroll invisible elements into view is slow|
|Open||None||T154024 Kill slow MutationObserver stuff in TextInputWidget|
|Open||None||T176998 Try using SentinelJS (or stealing code from it) instead of nasty code in TextInputWidget#installParentChangeDetector|
|Resolved||matmarex||T154025 Element#updateThemeClasses results in a separate setTimeout for each widget, which has some overhead, making it slow|
|Resolved||matmarex||T153758 Thumbnails are being re-generated every time|