to try to add onto the list:
there should be a toggle in settings that enables your positive effects/abilities (i.e. positive potion effects, enchantment, & rally banner) to also apply to other players that aren’t in the same party as you. countless times would i raid fort montu/castrum or fight king caesar with other people and all my supportive capabilities are useless because they wouldn’t accept my party invites
oh yeah and also to make it so that if you’re not in a party with somebody but you can’t attack each other, whether it’s through pvp setting or zone (ex. forts), your abilities can’t clash with theirs and can’t target them. i’ve had many annihilation spells evaporated from player attacks as well as lots of my elementals spamming me with pvp protection notifications… all when pvp is disabled