ada | readonly | string | The version of the ada URL parsing library. |
ams | readonly | undefined | string | The version of the Atmosphère custom firmware running on the Switch, or undefined if not running Atmosphère. |
cairo | readonly | string | The version of the cairo 2D graphics library used for canvas rendering. |
emummc | readonly | undefined | boolean | true if the Switch is running Atmosphère from emuMMC, false if running sysMMC, or undefined if not running Atmosphère. |
freetype2 | readonly | string | The version of the FreeType 2 font rendering library. |
harfbuzz | readonly | string | The version of the HarfBuzz text shaping library. |
hos | readonly | string | The Horizon OS (Switch system software) version (e.g. "18.1.0"). |
libnx | readonly | string | The version of libnx the runtime was built against. |
mbedtls | readonly | string | The version of mbedTLS used for TLS / cryptography. |
nxjs | readonly | string | The semver version of the nx.js runtime itself. |
pixman | readonly | string | The version of the pixman low-level pixel manipulation library. |
png | readonly | string | The version of libpng used for PNG decoding. |
quickjs | readonly | string | The version of the QuickJS JavaScript engine. |
turbojpeg | readonly | string | The version of libjpeg-turbo used for JPEG decoding. |
wasm3 | readonly | string | The version of wasm3 used for WebAssembly execution. |
webp | readonly | string | The version of libwebp used for WebP decoding. |
zlib | readonly | string | The version of zlib used for deflate / gzip compression. |
zstd | readonly | string | The version of Zstandard (zstd) used for zstd compression. |