I noticed that there are some attributes missing from the the attributes filter. I already checked this page and tried what it said there, however it didn't work. The closest I got was setting "Allow Manual Sorting" to No, but didn't work either. All that did was display the correct attributes in the filter, but when I tried filtering it, it showed no products, even though there were some products. I am currently using beta version 2.27 as no other version works for me.
Is anyone here?