Sometimes when playing Hunter/Summoner, companion abilities (animal foci, teamwork feats, fiendish or celestial templates, evolutions) might disappear after level up.Mod is only expected to work with 2.08 or 2.15 English versions of the game, only on windows and only with keyboard + mouse UI. Wizard Discoveries from 1.81 might conflict with those from The Lost Grimoire Mod, you can disable them in setting.json.Advanced fighter training options from 1.77 are not compatible with Advanced Martial Arts Mod, you can deactivate them if you prefer the latter.

If you have characters with Quicken Blessing feat, respec them so they do not have it, before updating to 1.72,.If you have animal companions with animal growth buff, wait till it expires, before updating to 1.68.Save games with primal companion hunter, are no longer compatible, so respec out of the archetype is required prior to 1.68 update.If you are using mod version prior to 1.57 (or no mod at all) and have characters who are polymorphed, wait till polymorph effect expires.Starting from version 1.57 the mod is no longer compatible with Eldritch Arcana.