Thanks to a recent addition to the Java Edition game rules in Snapshot 24w33a, commands can now be used to increase the maximum speed of minecarts.

However, there is a trick to obtain it on any sword or axe using commands. Here is a short guide to getting a sharpness level of 255 on one of the two melee weapons in Minecraft Java Edition.

Unlock the latest working duplication glitches in Minecraft 1.21.4 for Java Edition. These methods are fully tested in survival and can help you duplicate items, blocks, rails, carpets, and more ...