Minecraft 1.2.7 Alpha May 2026

On paper, the changelog for Alpha 1.2.7 is brutally short. There is no official blog post celebrating it, only a single tweet from Markus Persson: “Minecraft Alpha 1.2.7 is up, fixes a crappy server memory leak. Also sheep regrow wool now.”

Let’s break that down.

This is the change players remember. Before Alpha 1.2.7, sheep were a finite resource. If you wanted white wool for a bed or a building, you had to kill the sheep. Once a sheep was dead, it was gone until a server restart or world generation. minecraft 1.2.7 alpha

With 1.2.7, sheep would regrow their wool when they ate grass blocks. This was the game’s first true renewable resource mechanic. It seems small, but it introduced passive mob farming as a concept. It also saved millions of virtual sheep from slaughter. This mechanic would later pave the way for breeding (added in Beta 1.9) and shears. On paper, the changelog for Alpha 1

A minor but beloved bug was removed: players could no longer sneak-jump up 2-block heights by holding shift at weird angles. This made cliff scaling slightly more realistic and much more annoying. This is the change players remember

While no official changelog from Notch is comprehensive for this version (patch notes were often informal tweets or forum posts), the community-documented changes reveal a version focused on polish: