Component.Windows10SDK.{>=19041} ) MSVC v143 - VS 2022 C++ x64/x86 build tools (Latest) ( Microsoft.VisualStudio.Component.VC.Tools.x86.x64 ) C++ ATL for latest v143 build tools (x86 & x64) ( Microsoft --domain=0xE0C3,0xE0C4 # Only Rust code from servo hdc shell hilog --domain=0xE0C3 # Only spidermonkey C++ code hdc shell hilog --domain=0xE0C4 # Filter by domain and log level hdc shell hilog --domain=0xE0C3 For Rust code in servo logged via the log crate we set 0xE0C3 as the domain and for Spidermonkey C++ code we set 0xE0C4 . These values are somewhat arbitrarily chosen. Hilog privacy feature hilog has