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Update Codex's pinned `v8` / `rusty_v8` versions, validate the release-candidate path, and investigate failed V8 canary or artifact builds.
Passed 16 of 19 test cases with the skill, and 8 of 19 without it.
and 17 more in the full report
9 fixed9 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.
If a V8 version bump cannot be completed due to an unresolved build error, what three details must be in the blocked report?
| Checked | Without skill | With skill |
|---|---|---|
| Reports the relevant upstream delta. | Missed | Passed |
| Reports the affected repository file. | Missed | Passed |
| Reports the next concrete fix to attempt. | Missed | Passed |
The instructions your model reads when the skill loads.
Read third_party/v8/README.md and follow its version-bump sequence. Treat
that document as the release-process source of truth.
Inspect and update the concrete repo surfaces that carry the pin:
codex-rs/Cargo.tomlcodex-rs/Cargo.lockMODULE.bazelthird_party/v8/BUILD.bazelthird_party/v8/README.mdthird_party/v8/rusty_v8_<version>.sha256 manifest when the
remaining prebuilt inputs changeKeep the existing checksum helpers in the loop:
python3 .github/scripts/rusty_v8_bazel.py update-module-bazel
python3 .github/scripts/rusty_v8_bazel.py check-module-bazel
python3 -m unittest discover -s .github/scripts -p test_rusty_v8_bazel.py
Validate the release-candidate path before broadening the work:
v8-canary CI result for the candidate branch or PR
when one exists, using GitHub check tooling or gh as appropriate.If the canary path passes, stop there. Summarize the result and encourage the user to commit the candidate changes or proceed with the release flow they requested. Do not publish tags, releases, or pushes unless the user asked.
Enter this path only when the canary or local build path fails.
denoland/rusty_v8test cases passed, vs 8 / 19 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.