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react-is

Brand checking of React Elements.

100
Versions
MIT
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures gitHead linked

Maintainers

fbreact-bot

Keywords

react

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
provenance publisher-changed AI (provenance): Publisher change from acdlite to lunaruan reflects a legitimate React core team transition at Facebook in 2019; lunaruan is a well-established trusted publisher. ai
maintainer-change maintainer-added AI (maintainer-change): lunaruan is a known React core team member; this maintainer addition is a legitimate internal Facebook team transition, not a compromise. ai
provenance no-provenance AI (provenance): This version was published in 2019, predating Sigstore provenance attestation tooling. Absence of provenance is expected for this era of releases. ai

Versions (showing 100 of 400)

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Version Deps Published
19.2.7 0 / 0
19.2.5 0 / 0
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v19.2.7

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.

v19.1.8

2 findings
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.

INFO Publisher changed: react-bot → GitHub Actions (on 2026-06-01) provenance

[Accepted risk] This version was published by a different npm account than previous versions on 2026-06-01. This could indicate a legitimate maintainer transition or an account compromise.

v19.0.7

2 findings
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.

INFO Publisher changed: react-bot → GitHub Actions (on 2026-06-01) provenance

[Accepted risk] This version was published by a different npm account than previous versions on 2026-06-01. This could indicate a legitimate maintainer transition or an account compromise.