LZ4 /Engine/Source/Runtime/TraceLog/Private/Trace/LZ4 A compression library used by Trace to (de)compress its structured event stream. Statically linked into the TraceLog DLL in modular builds. Statically linked into module's executable binary for monolithic builds. https://github.com/lz4/lz4/blob/dev/lib/LICENSE Licensees Git P4 \UE4\Engine\Source\ThirdParty\Licenses\LZ4_License.txt