To be honest the official minecraft article contains more information and is in my opinion better written.

https://www.minecraft.net/en-us/article/minecraft-vibrant-visuals

I’m guessing they are planning everything. From the official minecraft article :

Now we’re actively working on Vibrant Visuals for Minecraft: Java Edition and our goal is to bring it to the game in a way that serves not only our players, but also our modders and resource pack creators.

https://www.minecraft.net/en-us/article/minecraft-vibrant-visuals