I wouldn't say that.. I asked Magic Pixel when the PS4 was getting new tables that steam has and this is what he said..
We want to update it but we still need to finish up the iOS version.
And the AtGames cabinet version, those are the two projects we focus on right now.
Once these two...
If you goto the sony store and look at pinball arcade.. it says this..
When playing on PS5, this game may exhibit errors or unexpected behavior and some features available on PS4 may be absent. To play this game on PS5, your system may need to be updated to the latest system...