When you sort presets in the librarian by category. Then the names of the presets are not sorted as the arrow indicates on the header.
When you click the folder again - or multiple times the sort order of the names within a category reverses - although it is not sorted alphabetically.
It does not happen for all presets. Not the Arp and Lead categories for instance.
Also, if you sort by category I think you could expect that the patches within each category is sorted alphabetically too. Right now it is quite messy to sort by category and then the patches are ordered randomly
Click Category caption once → list sorted by category name, in ascending order
Click Category caption again → list sorted by category name, in descending order
Click Category caption again → list sorted by category name, in ascending order
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I do see what is seen on your video, where the preset list resorts itself with every click on a folder name, but in OSX only and under specific folders. This seems to be wrong and we probably either missed it or it has been given low priority for 1.0, we’ll probably fix it to 1.0.1.