Frog spawn rates are low in the mangrove swamp.
The swamp update focuses on mangrove swamps, so mangrove swamps should not have fewer frogs than other biomes.
Steps to reproduce:
- Find the mangrove swamp.
- Use the following command:
/tp @e[type=minecraft:frog,distance=..1000] @p
- Found that only 10 or fewer frogs spawn within 1000 blocks of the player.
There are far more frogs in the swamp than in the mangrove swamp.