Build input, not a browser download. Nothing here is meant to be installed.
fonts-bundle-v1.tar.xz is the font bundle the build stages into every package:
1513 faces, 2.16 GB extracted, 843 MB compressed. It ships as a release asset
rather than repo content because GitHub caps a tracked file at 100 MiB
(Apple Color Emoji.ttc alone is 183 MiB) and an .xz archive cannot be
delta-compressed, so committing it would append the whole archive to history on
every font change.
The build fetches and verifies it automatically -- make fonts-extract, driven
by scripts/fetch-fonts.py. scripts/data/font-bundle.json pins the asset
name, size and sha256, so a given commit expects exactly one bundle and a
truncated or substituted download fails loudly instead of silently producing a
browser that reports fonts it cannot render.
sha256 8f345ce22a475c45eb9974d3e739fe1a2f5a742882c58727dbc55ab69cae8953
size 842795560
Tags matching font-bundle-* are excluded from build.yml, so publishing one
does not trigger a browser build. See docs/FONTS.md.