npm react-is @19.2.8

score

0.7 high

flagged 2026-07-22 11:44

signals by category

topology 3

maintainers added: —

Signals fired

signal	weight	rationale
topology
typosquat	1.0	combosquat of 'react'
dist_tag_anomaly	0.5	dist-tags.latest=19.2.8 but max published is 19.3.0-canary-a757cb76-20251002
shared_repo_different_publisher	0.9	repo 'git+https://github.com/react/react.git' also claimed by 8 package(s) under different publishers: ['npm/react-server-dom-parcel', 'npm/react-test-renderer', 'npm/react-server-dom-turbopack'] ...

Prior profile (what it deviated from)

{
  "had_install_script": false,
  "maintainers": [
    "fb",
    "react-bot"
  ],
  "versions": 2738
}

Evidence (package doc at flag time)

{
  "dependencies_count": 0,
  "dist": {
    "integrity": "sha512-s5un28nYxKJw5gvUHyW5PCC28CvBqLu9r3cWgzHT4Vo/5fqqkFcdRYsGcKf50WMPpjjFZS5d76fn3YCo2njKwQ==",
    "tarball": "https://registry.npmjs.org/react-is/-/react-is-19.2.8.tgz",
    "unpackedSize": 13526
  },
  "dist-tags": {
    "backport": "19.0.8",
    "beta": "19.0.0-beta-26f2496093-20240514",
    "canary": "19.3.0-canary-711c445b-20260722",
    "experimental": "0.0.0-experimental-711c445b-20260722",
    "latest": "19.2.8",
    "next": "19.3.0-canary-d5736f09-20260507",
    "rc": "19.0.0-rc.1"
  },
  "latest_version": "19.2.8",
  "maintainers": [
    {
      "email": "opensource+npm@fb.com",
      "name": "fb"
    },
    {
      "email": "react-core@meta.com",
      "name": "react-bot"
    }
  ],
  "num_versions": 2740,
  "repository": {
    "directory": "packages/react-is",
    "type": "git",
    "url": "git+https://github.com/react/react.git"
  },
  "scripts": null,
  "signal_details": {
    "dist_tag_anomaly": "dist-tags.latest=19.2.8 but max published is 19.3.0-canary-a757cb76-20251002",
    "shared_repo_different_publisher": "repo 'git+https://github.com/react/react.git' also claimed by 8 package(s) under different publishers: ['npm/react-server-dom-parcel', 'npm/react-test-renderer', 'npm/react-server-dom-turbopack'] ...",
    "typosquat": "combosquat of 'react'"
  },
  "time": {
    "created": "2017-10-19T07:25:21.846Z",
    "modified": "2026-07-22T16:44:49.972Z"
  }
}