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@expo/build-tools

`@expo/build-tools` is the core library for the EAS Build service. It implements the build process for React Native projects and for managed Expo applications.

46
Versions
BUSL-1.1
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures gitHead linked

Maintainers

idebrentvatneexpoadminexponentbycedrickudochienalanhughestsapetaexpo-botphilplwschurman

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Expo org migrated to GitHub Actions publishing; SLSA attestation confirms CI/CD provenance. Stable pattern for this package. ai
dependencies unvetted-dep:@expo/logger AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
dependencies unvetted-dep:@expo/results AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
dependencies unvetted-dep:@expo/downloader AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
dependencies unvetted-dep:@expo/steps AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
dependencies unvetted-dep:@expo/eas-build-job AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
dependencies unvetted-dep:@expo/template-file AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai
bogus-package bogus-package AI (bogus-package): Internal monorepo package; sparse README and no keywords are expected for this type of package. ai
dependencies unvetted-dep:@expo/turtle-spawn AI (dependencies): First-party Expo monorepo package; stable pattern across versions. ai

Versions (showing 46 of 46)

Version Deps Published
20.1.0 40 / 22
20.0.0 40 / 22
19.1.0 39 / 22
19.0.6 39 / 22
19.0.3 39 / 22
19.0.2 39 / 22
19.0.0 39 / 22
18.13.1 39 / 22
18.12.3 39 / 22
18.12.1 38 / 22
18.12.0 38 / 22
18.11.0 38 / 22
18.10.0 38 / 22
18.9.0 38 / 22
18.8.1 38 / 22
18.8.0 38 / 22
18.7.0 38 / 22
18.6.0 38 / 22
18.5.0 38 / 22
18.4.0 38 / 21
18.2.0 38 / 21
18.1.0 38 / 21
18.0.6 38 / 21
18.0.2 37 / 21
18.0.1 35 / 21
1.0.272 31 / 19
1.0.271 31 / 19
1.0.270 31 / 19
1.0.269 31 / 19
1.0.268 31 / 19
1.0.267 31 / 19
1.0.266 31 / 19
1.0.265 31 / 19
1.0.264 31 / 19
1.0.263 31 / 19
1.0.262 31 / 19
1.0.261 31 / 19
1.0.260 31 / 19
1.0.252 31 / 19
1.0.251 31 / 19
1.0.250 31 / 19
1.0.249 31 / 19
1.0.248 31 / 19
1.0.247 31 / 19
1.0.246 31 / 19
1.0.245 31 / 19

v20.1.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v20.0.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v19.1.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v19.0.6

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v19.0.3

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v19.0.2

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v19.0.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.13.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.12.3

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.12.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.12.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.11.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.10.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.9.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.8.1

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.8.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.7.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.6.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.5.0

1 finding
INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.4.0

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-03-16) provenance

This version was published by a different npm account than previous versions on 2026-03-16. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.2.0

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-03-09) provenance

This version was published by a different npm account than previous versions on 2026-03-09. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.1.0

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-03-04) provenance

This version was published by a different npm account than previous versions on 2026-03-04. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.0.6

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-02-27) provenance

This version was published by a different npm account than previous versions on 2026-02-27. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.0.2

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-02-20) provenance

This version was published by a different npm account than previous versions on 2026-02-20. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v18.0.1

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-02-12) provenance

This version was published by a different npm account than previous versions on 2026-02-12. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.272

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-28) provenance

This version was published by a different npm account than previous versions on 2026-01-28. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.271

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-23) provenance

This version was published by a different npm account than previous versions on 2026-01-23. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.270

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-22) provenance

This version was published by a different npm account than previous versions on 2026-01-22. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.269

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-21) provenance

This version was published by a different npm account than previous versions on 2026-01-21. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.268

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-21) provenance

This version was published by a different npm account than previous versions on 2026-01-21. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.267

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-20) provenance

This version was published by a different npm account than previous versions on 2026-01-20. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.266

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-16) provenance

This version was published by a different npm account than previous versions on 2026-01-16. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.265

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-15) provenance

This version was published by a different npm account than previous versions on 2026-01-15. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.264

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-13) provenance

This version was published by a different npm account than previous versions on 2026-01-13. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.263

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-13) provenance

This version was published by a different npm account than previous versions on 2026-01-13. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.262

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-09) provenance

This version was published by a different npm account than previous versions on 2026-01-09. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.261

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2026-01-09) provenance

This version was published by a different npm account than previous versions on 2026-01-09. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.260

2 findings
HIGH Publisher changed: exponent → GitHub Actions (on 2025-12-10) provenance

This version was published by a different npm account than previous versions on 2025-12-10. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v1.0.252

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.251

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.250

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.249

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.248

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v1.0.247

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v1.0.246

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v1.0.245

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.