Cats do not bring gifts to their owner with improved sleeping enabled.

I have only tried this in single player, and have also tested and confirmed it with only Quark and AutoRegLib installed (several nights with 6 cats in boats).

I doubt this is a huge issue for many people, but some mods (Corail Tombstone for eg) use this as a way to obtain certain items.

Latest.log from quark only test world:
https://pastebin.com/FAX03fMS

Minecraft 1.16.5
Forge 36.2.20
AutoRegLib 1.6-49
Quark r2.4-321

(several nights with 6 cats in boats)

Cats won't leave gifts unless they sleep on your bed. They can't reach it if they're in a boat.

not true, as long as they are close enough and standing they can leave gifts (70% chance). if one lies on the bed only that cat will leave a gift, but if they are all trapped they can all gift. i have confirmed that they (multiple cats) do gift with the improved sleep setting off.

from the wiki: "If a player has multiple standing tamed cats in the area, only the tamed cat that sleeps on the player may provide a gift. If all standing tamed cats in the area are prevented from reaching the player (i.e. trapped in minecarts or boats), each cat has a 70% chance of providing a gift."

I only learned about it (the gifting mechanic generally) myself relatively recently, on a 1.16 vanilla server I was playing on I think, and can't find the info on when it was added to the game. Maybe it was ilmango's peaceful mode videos where I first heard about it? It's a not very useful generally, but when that one exception crops up... one cat per night just won't cut it!

@Paperweight82 Guess i missed that part.