New book-level variant filter - On Premises 6.4

Release Notes

One of Author-it's most powerful features is the ability to create variants of your content. The process of checking the content of your variants has now been made simpler through a Variant Filter in quick-editing mode (Contribute).

It is found in the Control bar.

Book editor in Contribute - variant filter selected R2

And gives you an easy way of filtering by your library's variants.

Variant Filter R2