The Bug:

The game takes a long time to process players leaving realms groups or accepting or declining realms invitations.

Steps to Reproduce:

1. Navigate to the realms menu.
2. Get another player to invite you to their realm.
3. Click on the realms invitation button, accept the realms invitation, and hit the "Done" button.
4. Look at the realms invitation button and take note of how it falsely claims that you still have pending realms invitations.
5. Reload the realms menu and take note of how the realm group you just joined doesn't appear within the list, therefore indicating that you're not a member of it.
6. Once the game processes that you're a member of the realm, leave it by clicking on the "Leave realm" button.
7. Reload the realms menu and take note of how the realm group you just left is still displayed in the realms menu.

Observed Behavior:

The game takes a long time to process players leaving realms groups or accepting or declining realms invitations. It can sometimes take minutes for these actions to be processed and this is moderately perplexing for the player.

Expected Behavior:

The game would take almost no time to process players leaving realms groups or accepting or declining realms invitations, just like with other elements in other menus.