The Redstone Update arrived at a time when Minecraft modding was at its absolute peak. The combination of stable new features and the lightweight 1.5.2 engine created the perfect storm for mod developers.
Instructions on in the modern launcher
Open your standard Minecraft Java Edition launcher. Minecraft 1.5.2 Version
Provided a sneaky, seamless way to trigger redstone traps directly from storage. The Redstone Update arrived at a time when
Released on 2 May 2013, was a minor update primarily focused on bug fixes and performance improvements following the massive "Redstone Update" (1.5). While small, it holds a unique legacy as the final version to support older hardware and the base for early browser-based ports like Eaglercraft . Key Technical Significance Minecraft 1.5.2 Version