Book Module - Filter Used Photos not working

[Bart29863175tmib]

I use the lightroom book module to make some pretty long albums (Like hundreds of pictures).  Earlier this week I installed the update, and now I can't filter the pictures in a saved book to only show unused photos.  This is critical when I'm using hundreds of pictures.  How do I fix it?

[Bart29863175tmib]

I'm using lightroom classic on a PC

[Rob_Cullen]

I noticed the same!

Try clicking on [Reset Default Presets] - It restored more options for me.

[maria223059431q7k]

Where is this drop down menu to access "Restore Default Presets"?

[Rob_Cullen]

"Where is this drop down menu to access "Restore Default Presets"?-"

Look in the filter options- disclosure menu-  on the filmstrip (when in book module)