Minecraft's Caves & Cliffs update is making a drastic change to the game's ore block textures in order to help more players be able to identify them. ... Minecraft version 1.17 aims to create more accessible caves by making them easier to explore, and it will also make ores easier to identify for colorblind players.

When did the textures change in Minecraft?

The Texture Update is an update released in Java Edition 1.14, Bedrock Edition 1.10. 0 (with further amendments in Bedrock Edition 1.17. 10, PlayStation 4 Edition 1.90 and Java Edition 1.17). The update changes most of the textures in the game, except for a few iconic textures like the creeper.

Why do my Minecraft blocks look different?

Either you have a resource-pack on, or Optifine is changing the textures. Also to note, you are in a low-saturation area of blocks (grey, beige, light blue). The Meaning of Life, the Universe, and Everything.