Minecraft 1.21 Beta -

Worst bug: The Bogged’s poison arrows could chain infect villagers. One swamp villager turned an entire forest green.

"In Beta 1.21.0.21, the Breeze wasn't just annoying—it was a predator. Its wind charges would launch you 50 blocks straight up. No slow falling. Just you, the skybox, and a very painful re-entry. Players started carrying water buckets just to survive a single hit." minecraft 1.21 beta

"Here is the funniest bug: In Beta, Vaults didn't need a Trial Key. They just... opened. Every five minutes. Players built 'Vault Quarries'—strip mining for Vaults in Trial Chambers and looting them on a loop. Mojang patched it in 24 hours, but for one glorious morning, we were all rich." Worst bug: The Bogged’s poison arrows could chain