Hi @jellybean, right now only one owner is officially supported.
For sharing there are workarounds but they’d put your database in an unsupported state. @pemontto provided a great workflow to help with this which you can check out here:
As for plans to implement this: Yes, improvements to the user management functionality (and especially sharing of workflows/credentials) are on our to-do list. I don’t have an ETA though I am afraid.