1. Sometime trading makes players lost the item they try to trade with and do not get what they are trading for. Same problem with crafting.
2. Walking into a wall causes players to jump automatically.
3. Villagers cannot walk to their beds or their own workstations when it is placed above ground floor in a multi storey building. Must be pathfinding problem
4. Somehow my pufferfishs died when I place them in 1x1x1 spaces and seal them with carpet on each space.
5. Wolves sometimes do not breed when at least two of them are in "love mode". This problem has been around since version 1.13.
6. Mobs occasionally spawn on top of trees. I have never seen this before 1.14 update.
7. Villagers with job somethime "lost" their workstations, making the jobless villagers to be able to steal them instead.
8. Somehow villagers keep switching their beds with one another.