On servers where global waystones are enabled, having people able to add waystones to the list means that your list will change based on what others do and you won't know. This means you could accidentally go to the wrong location and have to wait for the cooldown to expire before being able to use the waystone again.

Having the ability to mark your frequently used waystones as "sticky" so that newly added ones always show up after them would be useful for many people. The other option is to append new waystones to the end of the list instead of prepend to the beginning (maybe make this a config option). This way your personally created list wouldn't be messed with by people adding waystones.

i think a 'sticky' or 'favourites' marking system would be fantastic, especially if there is a large amount of waystones available to the player.

could it be set to add the new stones to the bottom/end of the list instead of the top?

I would really like the option to add new stones at the end of the list. If you play on big maps and discover lot of new stones, the ones that you often use will be pushed back in the list and it's really annoying on the long-term

Closing in favor of #759 where ideas are being gathered for a new UI.

As for adding new stones to the end of the list, you can hold shift while pressing the down arrow to instantly move a waystone to the start or end.