Fabric Latency Viewer

A client-side Fabric mod that displays detailed ping statistics in the player list (Tab menu).

Features

• Shows 4 ping metrics per player:

  • Current - Latest ping value (color-coded)
  • Average - 60-second average (blue)
  • P50 - 50th percentile / median (orange)
  • P99 - 99th percentile (red)

• Color-coded current ping:

  • Green: < 50ms
  • Yellow-Green: 50-100ms
  • Yellow: 100-150ms
  • Orange: 150-300ms
  • Red: > 300ms

Screenshot

Player Name          45   52   48   120
                     ^    ^    ^    ^
                     |    |    |    P99
                     |    |    P50
                     |    Avg
                     Current

Supported Versions

Minecraft	Java
1.20.1	17+
1.20.2	17+
1.20.4	17+
1.20.6	21+
1.21	21+
1.21.1	21+
1.21.2	21+
1.21.3	21+
1.21.4	21+
1.21.5	21+
1.21.6	21+
1.21.7	21+
1.21.8	21+
1.21.9	21+
1.21.10	21+
1.21.11	21+

Requirements

• Java 21 (for building)
• Fabric Loader 0.16.0+

Installation

1. Install Fabric Loader
2. Download the JAR file for your Minecraft version from Releases
3. Place the JAR in your .minecraft/mods folder
4. Launch the game

Build

# Build all versions
./gradlew buildAll

# Build specific version
./gradlew :1.21.11:build
./gradlew :1.21.4:build
./gradlew :1.20.1:build

# Clean build files
./gradlew clean

Output

Built JAR files are located in each version's build directory:

versions/<mc-version>/build/libs/fabric-latency-viewer-v1.0.0-mc<mc-version>.jar

Example:

versions/1.21.11/build/libs/fabric-latency-viewer-v1.0.0-mc1.21.11.jar

License

MIT