Roon combines different editions of the Audio CD rips of the same album with same tracks

[DDPS]

You can sort of see the basic workflow starting in Step 14 of this:

Tip: How to separate 2-in-1 albums while keeping play counts and history

Once in a while, we have a multi-album set in our music collection that is imported as a single collection (most commonly, a “2 in 1” disc set), but we might want to separate the albums so that Roon can show us the editorial content for each album, and so we have the (proper) 2 separate albums and covers in our collection. One approach to accomplishing this, of course, is to copy the original “2 in 1” set to a work computer, separate the albums into their respective folders, update metadata, et…

But @navihane I want to point out, one last time, that this won’t help you if you move to other music software in the future (or use other software in parallel). Most music software expects that you have the albums named somewhat differently using something in parentheses or brackets to distinguish between editions of an album.