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Lumen Java 1.0.0-beta.4 - OBS Stream mode (Minecraft 26.3)

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@AuronNetwork AuronNetwork released this 15 Oct 19:39
v1.0.0-beta.4
1fb0067
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Lumen Java 1.0.0-beta.4 for Minecraft 26.3 adds optional Stream mode for OBS Game Capture on Windows.

Enable Stream mode

  1. Use Windows 10 version 2004+ or Windows 11 and run Minecraft in windowed or borderless mode. Exclusive fullscreen is unsupported.
  2. Press Insert → Streaming → Stream mode ON. Enable Xray and select your filters, then close the menu.
  3. In OBS, use Game Capture selecting the Minecraft game window. Check your complete scene in the preview or a local test recording before going live.

Xray markers are displayed in a separate transparent, click-through Windows overlay. They stay out of Minecraft's recorded game frame. If the overlay cannot verify Windows capture exclusion, markers remain hidden instead of falling back into the game frame.

The Lumen menu, Zoom and Fullbright remain visible in the recording. Other capture methods and capture cards require separate testing. Stream mode defaults OFF and saves your choice.

Install

Close Minecraft and replace the old Lumen JAR in your instance's mods folder with lumen-java-1.0.0-beta.4.jar. Keep only one Lumen JAR in that instance. Requires Fabric Loader 0.19.5+, Fabric API 0.161.0+26.3, and Java 25. No extra EXE/DLL or additional mod is needed for Stream mode.

Validation

  • All 12 unit tests passed.
  • Full tests passed in an actual Minecraft 26.3 client, without shaders and with Iris/Sodium plus Complementary Reimagined r5.9.3.
  • Real OBS Studio 32.2.2 Game Capture screenshots show all four test marker colors normally, exactly zero with Stream mode enabled, and all four after disabling it. The native overlay surface still contains all four colors with Windows capture affinity 0x11.
  • Existing filters, menus/mouse/slider, zoom and brightness restoration, singleplayer combat damage, persistence and world lifecycle checks passed.

This is a beta. The capture tests used Windows/OpenGL and OBS Game Capture; a live Twitch broadcast was not started. See the included TESTING.md for details and limits.

The source ZIP and SHA-256 checksums are provided alongside the installable JAR. Choose the JAR matching your Minecraft version.

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