This version has been confirmed to work in Eclipse and retail Minecraft. (retail running forge 1.16.4-35.1.37)
That being said only singleplayer is currently supported; connecting to servers (local or otherwise) will cause no LODs to be drawn and may cause instibility.
How to compile
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download the source code and extract it somewhere
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open a command line in the project folder
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run the command: "./gradlew build"
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the compiled jar file will be in the folder "minecraft-lod-mod-1.16.4-a1\build\libs"