As this report concerns the (Extended) version, it includes all "Pro" features plus the professional publishing suite available in 1.12.11:
Clip Studio Paint EX version 1.12.11 was a minor update released on , primarily focused on stability and bug fixes following the major 1.12.7 release . Release Overview Version: 1.12.11 Release Date: December 20, 2022 Predecessor: 1.12.10 Successor: 1.13.0 (The final 1.x series update)
Improved stability when saving or exporting large multi-page files (a key feature of the EX version).