This is a Fabric client mod that displays the positions of other players—received by the client via the Minecraft 1.21.11 Locator Bar as marker overlays in JourneyMap.
Player Rader mod requires the Fabric API , Mod Menu , QoLib and JourneyMap.
Edit directly config/player-radar-mod.json
{
"overlayEnabled": true
}
You can also edit it in the game's config screen.