From the blog "Emby Blog"

Emby Server 4.7.6 - Multi-Select & Right to Left Languages This is the latest point release of Emby Server containing a couple new features as well as fixes for identified issues. Support shift to multi-select Newly added to 4.7.6 is the ability to multi-select. Instead of having to select each and every media item you can now select the first media item as shown below: then holding the shift key on your keyboard, select the top-left circle with your mouse on your e