I've updated to 25.2 and Recolor Artwork> Color Libraries doesn't allow for using Pantone Swatches. What? I about had to panic and then realized that if I went to the presets for one/two/three colors it allowed for it.
At first you see a simplified Recolor Artwork panel, but you can also click the Advanced Options button to open the full window with all the options (like previous versions used to open).
That is seriously convoluted. A lot more steps than I'm used to doing. I'm glad they didn't completely remove it though.
It will be the same as you were used to when you check this box:
I had the same feeling too, I went through the same process and now the menu defaults to the minimal version, took a while to figure it out, but this page helped me sort it!