However, the graphics patch will only be available to people with an Nvidia RTX graphics card.
As you can see in the video attached above, ray tracing places focus on many different lighting sources including the sun, glowing lava, and the different shadows they create.
Talking about how ray tracing will enhance the blocky world, Minecraft's Saxs Persson in the official statement says that, "In normal Minecraft, a block of gold just appears yellow, but with ray tracing turned on, you really get to see the spectacular highlight, you get to see the reflection, you can even see a mob reflected in it".
At Gamescom, Nvidia shared a Minecraft RTX trailer that shows off and discusses the new lighting in the game. Clouds, fog and other atmospheric effects naturally change the look and feel of the world. If you're down, keep an eye out: Minecraft will run an RTX beta "in the new year". "It'll be playable on Windows 10 with devices that are capable of DirectX R, such as with an Nvidia GeForce RTX GPU (and we plan to expand it to future platforms that support DirectX R ray tracing)".
As the update is being developed, Minecraft-maker Mojang said it would be added as an option on the settings screen so players could test it out.