Beta 1.0.1 was primarily focused on bug fixing and stability improvements. Some of the notable changes and fixes included:
The defining emotion of Beta 1.0.1 is relief . You are playing a version of Minecraft that fixed the game-breaking crashes of Beta 1.0, but hasn’t yet added the "bloat" of Beta 1.2 (which brought vertical redstone and the terrifying spiders that climb walls). minecraft beta 1.0.1
: Correcting an issue where night lighting did not render properly on chunks distant from the player. Cultural Impact and Creepypastas Beta 1
So the next time you boot up the Minecraft Launcher and see "Latest Release," spare a thought for . It was the version that worked when it had to. : Correcting an issue where night lighting did
: Addressing rare crashes that occurred during the initial loading of a world.