I launched specifically for this article. Here is a raw play report:
Why is that a bed-related mention? Because without that explosion fix, building a safe shelter was impossible. Creepers would destroy your walls and the floor you stood on. This version made the concept of a "bedroom" (even without the bed) viable. For the first time, you could build a wooden house and expect it to survive dawn. minecraft alpha 10 16 02 top
/tell (or /msg , /w ): Added the ability for players to whisper private messages to each other. I launched specifically for this article
It sounds like you're referring to an old, specific version of Minecraft — likely (sometimes typed as "alpha 10 16 02" or similar). This version is notable because it's from the Infdev–Alpha transition period (around late 2010). Creepers would destroy your walls and the floor you stood on
The "top" patch note in this version read: "Fixed that creepers could explode through walls in multiplayer."
: Introduced /tell for private whispering between players and /list for operators to see who is online.