Before, I could follow the steps outlined in: https://www.worldanvil.com/w/creation/a/invite-characters-article This no longer works. When giving another player a stat block now, the GM loses access to that stat block entirely, thus removing the ability for both GMs and players to edit a character sheet together.
The steps in https://www.worldanvil.com/w/creation/a/invite-characters-article no longer work