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 simple trick to spawn the ghastling without the dried ghast block using commands in Minecraft Java Edition.

Here is how you can kill all mobs in Minecraft with a simple command. This guide is for both Java and Bedrock editions of Minecraft.

You can see chunk borders in Minecraft: Java Edition using wireframes, and in Bedrock by using coordinates.