Let Me Join increases Minecraft’s hardcoded network timeout from 15 seconds to 2 minutes, preventing players from being disconnected during slow login or configuration phases.
This helps fix connection issues that occur when clients take longer to respond during:
Vanilla Minecraft assumes clients can always respond to keep-alive packets within 15 seconds, which is often not true for modern modded environments. This mod simply extends the timeout to make connections more tolerant without changing gameplay.
