The bug is currently affecting: Xbox Series S and Nintendo Switch
Some devices are reporting that PodMobs are not spawning in some biomes, this appears to be related to the recent update to Minecraft and the reduction of render distance on these devices. We are increasing the number of render points to allow more spawning in these biomes.
You can turn up your simulation distance in the video settings menu of Minecraft. This will affect the performance of your device.
You can bypass regions by running the command:
This will bypass the requirement to catch new mobs. Mobs can still be spawned by running around the regions.