Since the latest snapshots, dolphins aren’t able to enter boats anymore since they can suffocate on land. However, normal guardians also can no longer enter a boat now either. This seems odd, since guardians are (along the elder guardian which is too big to fit in a boat) small enough to fit in a boat and are one of the only aquatic mobs (along elder guardians) that can survive out of water indefinitely.
How to reproduce:
1. Place down a guardian and a boat
2. Push the boat towards the guardian or wait for the guardian to come near it
Expected result:
1. Guardian boards the boat
Actual result:
1. Guardian doesn’t board the boat
I want to add on that this is inconsistent with other hostile mobs of similar size, very much so with the Drowned mob, which is also underwater and can survive indefinitely out of water.
In terms of gameplay this adds unnecessary difficulty in the transporting of guardians for decoration purposes.