This is a small thing, but might be a smart addition.
In a bookmark you can “enable” all objects, and you can “disable” all objects.
If one needs to create some sort of fixed “toggle” between some transformers in a bookmark, e.g. redirect to development or production, this is not very handy, at least if there are more than two.
If a new right-click option of “Toggle All Objects in Bookmark” was added, this would be very easy.
I.e. all disabled are enabled, and all enabled are disabled.
Here’s how it is now:



