Again, please post a sample PDF (or screenshots or something), because I don't follow you.
I mean, either there is something else I'm missing or I just cannot understand why you prefer 3.12 with PDFs which include different page sizes.


Yes, zoom support when changing between different sized pages is weird in 3.13.1 (and I suppose in 3.15). But at least it works... Why do you prefer a broken renderer?