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This is the Google Doc that is used to track the animations added to the game; it's updated by the developer before each build release. The last UE4 build was October 2022, so anything dated newer than that in the doc has been added since. And yes, there's quite a bit since that date; I count 523 unique animations added after October 2022, including 14 sex "minigames" (scenes with progression, branching, dialogue, etc.).
Edit: if anything, I'll mention that in the UE5 version the map is actually a lot less complete than in UE4. The "old map" is still there, but it has been stripped of assets (meaning it's just empty terrain/textures), and the new map is still very much only WIP quality. So if you're going to UE5, be sure that you're doing it strictly for the animations. The updated sandbox editor has meant that lots of enterprising users have created their own custom maps/saves to use for scenes; you can find those mentioned in a few places in this thread. The user "LjQujd" maintains a Discord server where many of these scenes are kept.