For many Fullbright packs in 1.12.2 to work correctly, you need installed. OptiFine allows the game to override standard lighting engine limitations. Once OptiFine is installed, ensure your "Brightness" slider in Video Settings is set to Moody (ironically) or Bright —the pack will handle the rest. Download Link & Sources
AI responses may include mistakes. Learn more fullbright texture pack 1122 link
Note: Always be cautious of third-party "re-upload" sites. Stick to the official modding communities to avoid malware. Is it Cheating? For many Fullbright packs in 1