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This is a backport PR for branch 44-x-y
trop[bot]

#52879: build: generate the Node startup snapshot on cross-arch builds too

Merged
trop[bot]
Created: Aug 16, 2026, 8:05:31 PM
Merged: Aug 19, 2026, 4:04:17 AM
2 comments
Target: 44-x-y

Backport of #52874
Backport of #52902
Backport of #52959

See those PRs for details. Rebased onto the current 44-x-y head (the earlier failing mksnapshot check was this branch predating #52878).

#52902 fixes the cross-arch snapshot #52874 introduces: without it a second node_mksnapshot run in v8_snapshot_toolchain keyed the browser js2c code cache to a snapshot the framework never shipped, so it was rejected at startup on Windows. #52959 fixes process.arch reading ia32 in the main process on linux-arm once it boots from the cross-generated snapshot (the arm test failures on the sibling backports).

Notes: Linux arm64, Windows arm64 and macOS x64 builds now start the main process from the embedded Node.js startup snapshot like the other platforms, improving startup time.

Released in v44.0.0-beta.6

Backport Information

Backported from

#52874: build: generate the Node startup snapshot on cross-arch builds too
Original PR Author
codebytere
Original PR Status
Merged
Original PR Merged At
Aug 16, 2026, 8:05:15 PM
Original PR Link
GitHubView on GitHub

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