e4steam

e4steam is an e4mc fork that lets you play Minecraft with friends over the Steam network.
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[Fabric/Quilt 1.19-1.21.11] e4steam 0.2.0-alpha.4

File namee4steam-fabric-quilt-mc1.19-1.21.11-v0.2.0-alpha.4.jar
Uploader
KamilchikKamilchik
Uploaded
Aug 1, 2026
Downloads
11
Size
2.5 MB
Mod Loaders
FabricQuilt
File ID
8554619
Type
R
Release
Supported game versions
  • 1.21.11
  • 1.21.10
  • 1.21.9
  • 1.21.8
  • 1.21.7
  • 1.21.6
  • 1.21.5
  • 1.21.4
  • 1.21.3
  • 1.21.2
  • 1.21.1
  • 1.21
  • 1.20.6
  • 1.20.5
  • 1.20.4
  • 1.20.3
  • 1.20.2
  • 1.20.1
  • 1.20
  • 1.19.4
  • 1.19.3
  • 1.19.2
  • 1.19.1
  • 1.19
DownloadInstall Via App

Curse Maven Snippet

Fabric

modImplementation "curse.maven:e4steam-1633302:8554619"

Quilt

modImplementation "curse.maven:e4steam-1633302:8554619"

Learn more about Curse Maven

What's new

  • Added an activity-scoped UDP tunnel alongside the existing Minecraft TCP bridge, enabling voice chat and other UDP-based mods.
  • Added automatic runtime port discovery for Simple Voice Chat and automatic Minecraft-port mapping for Plasmo Voice. The selected UDP endpoint is sent to guests during the Steam handshake.
  • Voice datagrams use Steam's unreliable no-delay delivery and a separate bounded queue so voice traffic cannot starve the Minecraft connection.
  • Added local UDP proxy tests, protocol validation, a configurable fallback voiceChatPort, and six-artifact UDP audits.
  • Raised the e4steam wire and lobby protocol version to 2; both players must use the same 0.2.0-alpha.4 build.

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