I am spending most of my time working on the new worlds/block textures sharing mechanism that will be the lead feature of 1.20. This is about 90% finished now.

That does not mean however that I am not adding other stuff. Today I added a slew of fairly simple but much requested things:

Flat world level can be adjusted. For example if you set the level to low, you have almost entire 128 blocks of height available for building massive towers and whatnot. If you set the level to high, you have a high plateau that you can carve insanely deep tunnels and underground structures into.

Weather effects can be disabled (i.e. precipitation and lightning)

Time of day can be fixed to be always day, night, sunrise or sunset. It can also be set to changing, which is the regular setting.

These settings are of course available only in creative.

Here’s how the new UI for the world options looks like. Because of the scrollable list, it will be able to accommodate any number of extra options in the future: