If the computer's region is set to Chinese, building the 4.11 engine from GitHub source will fail.
Local test failed to build ShaderCompileWorker
Community reports fail due to an improper character in the OpenGLCommands.cpp file. Trout Zhang shows a screenshot of the character causing issues in the forums (URL2).
Build process fails.
Build succeeds and allows engine to be opened.
Head over to the existing Questions & Answers thread and let us know what's up.