Minecraft 1.17 is here and, of course, there are bugs to fix. Ore distribution got knocked around a bit with the launch of 1.17 - though the developers stress it hasn't been as bad as you've thought - ...

Minecraft: Java Edition is currently testing the 1.17.1 patch update for 1.17 'Caves and Cliffs Update' Part One. Mojang Studios apparently found some additional issues with the first 1.17.1 Release ...