DoggyChunks - Rescuing Missing Dogs
The issue with dog teleportation between dimensions when combined with Doggy Talents Next is well-known: pets often get lost in the game world. Even the "/dog locate" command doesn't help, as it only works with loaded chunks while the dog might be located somewhere else in the world.
DoggyChunks offers a simple but effective solution: it's a server-side mod that checks the status of all dogs every 5 seconds. If it detects a pet in an unloaded game chunk, it temporarily loads that world area. When the dog is standing, it automatically teleports to its owner (default behavior). If it's sitting - use the "/locate dog" command, which will help determine the exact location.
Future versions plan to add tracking functionality for other creatures from popular mods as well.