Add docs for using Rust upstream stage0 bootstrap toolchain#528
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blkerby wants to merge 4 commits intoubuntu:mainfrom
Open
Add docs for using Rust upstream stage0 bootstrap toolchain#528blkerby wants to merge 4 commits intoubuntu:mainfrom
blkerby wants to merge 4 commits intoubuntu:mainfrom
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maxgmr
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Apr 8, 2026
Co-authored-by: Max Gilmour <mgilmour@maxgmr.ca>
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Initially opened this as a draft to get feedback from the Rust toolchain team on the content.
I put this in the backport section since that's where we're currently expecting it may be most relevant. It could also apply to updates, e.g. if a new architecture is introduced. For the new architecture scenario, it might happen that the upstream project doesn't supply a pre-built toolchain for the architecture, in which case we might have to use cross-compilation to build one ourselves. I didn't include anything about that possibility though because I haven't looked into the details.