The primary reason for the exclusivity lies in the technical differences between Java and Bedrock (the engine used for non-Java editions). Java edition, being the original version of Minecraft, uses a custom-built JVM (Java Virtual Machine) to run the game. This JVM allows for more flexibility and moddability, which was essential for 1.7.10's development.
There are downsides. The is missing a decade of vanilla content. You have no: minecraft 1710 java version exclusive
In modern Minecraft (1.13+), block IDs are strings ( minecraft:oak_log ). In 1.7.10, they used numerical IDs up to 4096. While that sounds small, it was fast. Modders knew exactly where their code lived. The "exclusive" nature here is that 1.7.10 represents the final evolution of the "old" numerical system before the "Flattening" occurred. This made code injection cleaner and less likely to conflict. The primary reason for the exclusivity lies in