I am making a small multiples visualization of about 32 different maps, all from the same shapefile/source using QGIS 3.0.1. I am using the "Provide feature filter" to select the data that I need to display.
I update each map, one at a time, but when I zoom out using my mouse, it completely erases all the work I've done and changed every single map to my most recent filter selection.
In some of the maps, as soon as I zoom out, they lose the ability to "lock layers."
I tried "lock layers" as well as "lock layers" and "lock styles for layers." I've tried using the same CRS for every map as well as selecting "draw map canvas items."
I am at a complete loss.