[x] Hairstyles/beards in common/bookmark_portraits/ are broken in 1.4.* and require fix. The addition of new subgroupings seems to the cause (western_hairstyles/western_beards no longer exist).
[x] Error: Fix bookmark texture problems: [17:47:49][gfx_texture_loader.cpp:431]: Could not find texture 'gfx/interface/bookmarks/bm_476_little_augustus_bookmark_little_augustus_childeric.dds'
The second is probably fixable as per here: https://ck3.paradoxwikis.com/Bookmarks_modding#Bookmark_screen