Planescape: Adventures in the Multiverse book details
Planescape: Adventures in the Multiverse book details

Planescape: Adventures in the Multiverse Digital Pre-order

It looks like this will also follow the template of the Spelljammer books, with some player options, setting information, and DM facing content (adventure & creature statblocks).
I’m putting a lot of hope in the extra 32 pages the sourcebook gets. I’m hoping for more text and tools to help me run my own Planescape adventures.
...i think planescape + planebreaker will be the way to go for fifth edition, similarly to spelljammer + the ætherial expanse, but of course there're also always DM's guild reprints to flesh out TSR-specific setting lore...
...i did the math last week with an imaginary shopping cart and calculated that we can get the entire corpus of second-edition planescape material in (re)print for about $300: tempting, albeit pricey...