BlueMap Version:
1.0.0-rc1-spigot
(Between rc1 and rc2 no commits related to the follow functionality were made, so it should be the same for rc2)

I am using:

• mods (on the rendered world)
• resourcepacks (in bluemaps config/resourcepack folder)

Description:
This is partly bug, partly feature request:

Bug:
When the player you are currently following changes the world/dimension, BlueMap will try to follow them, but stays on the same map. The camera moves to the correct coordinates, but in the wrong world (The follow mode disables immediately after that, but the initial teleport still happens).

Feature request:
When a player changes the world, BlueMap could check if a map (or multiple maps) exist for that world and change the currently displayed map to the first one it finds (or the first one declared in the config file, so that users have control over which map is the "default"). If no maps are found, the follow mode disengages and the camera stays at the last position the player was seen at.