While v3.611 was originally released years prior, it saw a resurgence in interest around 2021 due to fan "rework" projects.
Version 3.611 specifically fixed crash bugs related to siege ladders and companion dialogues, making it the most stable pre-Bannerlord version.
: New Ravenstern tartan hoods and helmets, and a redesigned Empire Inlayed Armor. Beginner's Strategy Guide
Never launch Pendor through the standard mb_warband.exe . Use the included WSE4_loader.exe (the Igru repack includes WSE). This prevents the "Unable to allocate memory" crash.
Lords and kings are smarter, making sieges and field battles significantly more tactical than in vanilla Warband.