New features that could be added

In 2027 Drop 1, we should have added into the game: 
Calendars (all 16 colors)
Placeable analog clocks
Hangable analog clocks
Placeable digital clocks
Hangable digital clocks
Placing banners sideways
Placing banners on ceilings
Placing banners on your head
Placing banners on horses, donkeys, and mules
Placing banners on happy ghasts
Customizable carpets
Magnets
Computers
Phones
Pencils, pens, and markers
Paintings you can actually paint on
Index cards that you can write on (a alternative to the book that is easier to get)
Cameras (from Minecraft Education)
Increasing banner pattern limit to 20
Snowglobes
Ducks
Chicken Coops
Customizable lanterns
Customizable world terrain on Bedrock Edition

Books where you can add images

Colorful books and planks

(Please add this update in 2027 to both Java and Bedrock.)