2026.10.8.1: LLVM 23.1.3 line, native Linux ARM64, the 32-bit MSVC coroutine note and no host system headers - #781

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/