You're right, just checked discogs and looks like a bunch of them were reissued in 2021 in the USA and in the UK in 2024. They have the "studio collection" hype stickers that match what you find on the CDs.They have in the last couple of months, they have shown up in shops without any fanfare
I'll be curious to check some of these out. Generally I liked the 2015 masters slightly better than the 2014 vinyl albums, so having the 2015 versions on vinyl is a bit of an improvement imo.
Edit: To that end, if you want the sound of the 2015 albums but don't want inferior picture discs or colored vinyl, SIT and Powerslave are both on black wax.