For JWE3, we need better lagoon customization for example: lagoon terrain tools, different lagoon depths and lagoon fencing.
also being able to recreate an accurate movie lagoon so viewing galleries attached to each other and a proper exhibit
Different lagoon types in terms of materials, for example, if you want a small lagoon for ammonites you could make it with wood, just a normal lagoon with shallow water, but instead of concrete the lagoon will be made of wood:
Anyways i found this picture of planet zoo boat tour i assume? the same thing could be done for JWE3:
talking about lagoons, i would love three species added to the roaster: Lyviathan, Edestus and Prognathodon. They could make their designs unique by adding osteoderms considering also that the Lyviathan seems like a sperm whale without osteoderms:
This seems a strange requests but seeing Rebirth it makes sense. It would be cool to have at least some blood, i mean in the lagoon mostly it would be awesome to see a meg biting a mosasaurus and the blood comes out.
more feeders for lagoon. If we get new live feeders like cow we also need more feeders for the lagoon. It's boring and unrealistic to see giant marine creatures not hunting. Maybe a live shark feeder
for the skins mechanic, Frontier could add some real life animal patterns such as: (credits to Snieves0426 on reddit)