Minecraft Version	Server Jar Download URL	Client Jar Download URL
1.21.6-pre4	https://piston-data.mojang.com/v1/objects/650e7d088d8b243a9159641cef75303587ba36bd/server.jar	https://piston-data.mojang.com/v1/objects/8cbce0cbdc21a9bbeae1750cbc856cf6d1d3fe2f/client.jar
1.21.6-pre3	https://piston-data.mojang.com/v1/objects/03f53214df599b9e39a560b94d0df5636858c32f/server.jar	https://piston-data.mojang.com/v1/objects/7b1c07335ebb43588d62863faf7136855913bea5/client.jar
1.21.6-pre2	https://piston-data.mojang.com/v1/objects/67fcbd0cf180f7223fa52c58e5c6a7ac05145686/server.jar	https://piston-data.mojang.com/v1/o