chore(lambdas): upgrade yarn to 4.16.0 and harden install config#5155
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- Bump Yarn 4.3.1 -> 4.16.0 (packageManager + .yarn/releases) - Add npmMinimalAgeGate: 10080 (7d) to block freshly published packages - Add enableScripts: false to disable lifecycle scripts by default; verified install, build, lint, format-check and tests all pass without per-package allowlist (no dependenciesMeta needed)
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Dependency Review✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.Scanned Files
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- Remove duplicate enableScripts entry in .yarnrc.yml that broke YAML parsing on CI - Run yarn dedupe: consolidated 72 transitive duplicates; lint, format-check and tests still pass
npalm
commented
Jun 10, 2026
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Summary
Upgrades Yarn in
lambdas/and hardens the install pipeline against two supply-chain risks: freshly published packages and arbitrary lifecycle scripts. Also includes lockfile housekeeping.Changes
packageManager+.yarn/releases/)npmMinimalAgeGate: 10080(7 days) in.yarnrc.yml— blocks installing packages published less than a week ago (requires Yarn ≥ 4.9)enableScripts: falsein.yarnrc.yml— disablespreinstall/install/postinstalllifecycle scripts globallyyarn dedupeconsolidated 72 duplicated transitive versions inyarn.lockVerification
CI
Notes
If a future dependency genuinely needs its postinstall, add it explicitly via:
in
lambdas/package.json.