From cdbc0780ac8fa5281eb4d88f22d9bb5589a9b3a9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:10:56 +0000
Subject: [PATCH 01/12] Add Node 26-safe changeset changelog generator

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 .changeset/config.json         |   2 +-
 script/changeset-changelog.cjs | 325 +++++++++++++++++++++++++++++++++
 2 files changed, 326 insertions(+), 1 deletion(-)
 create mode 100644 script/changeset-changelog.cjs

diff --git a/.changeset/config.json b/.changeset/config.json
index c7ceaac47f7..d76dda5d6b3 100644
--- a/.changeset/config.json
+++ b/.changeset/config.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://unpkg.com/@changesets/config@1.4.0/schema.json",
-  "changelog": ["@changesets/changelog-github", {"repo": "primer/react"}],
+  "changelog": ["../script/changeset-changelog.cjs", {"repo": "primer/react"}],
   "commit": false,
   "linked": [],
   "access": "public",
diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
new file mode 100644
index 00000000000..388e835032d
--- /dev/null
+++ b/script/changeset-changelog.cjs
@@ -0,0 +1,325 @@
+const validRepoNameRegex = /^[\w.-]+\/[\w.-]+$/
+
+function readEnv() {
+  return {
+    GITHUB_GRAPHQL_URL: process.env.GITHUB_GRAPHQL_URL || 'https://api.github.com/graphql',
+    GITHUB_SERVER_URL: (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/$/, ''),
+    GITHUB_TOKEN: process.env.GITHUB_TOKEN,
+  }
+}
+
+function makeQuery(repos) {
+  return `
+      query {
+        ${Object.keys(repos)
+          .map(
+            (repo, index) =>
+              `a${index}: repository(
+            owner: ${JSON.stringify(repo.split('/')[0])}
+            name: ${JSON.stringify(repo.split('/')[1])}
+          ) {
+            ${repos[repo]
+              .map(data =>
+                data.kind === 'commit'
+                  ? `a${data.commit}: object(expression: ${JSON.stringify(data.commit)}) {
+            ... on Commit {
+            commitUrl
+            associatedPullRequests(first: 50) {
+              nodes {
+                number
+                url
+                mergedAt
+                author {
+                  login
+                  url
+                }
+              }
+            }
+            author {
+              user {
+                login
+                url
+              }
+            }
+          }}`
+                  : `pr__${data.pull}: pullRequest(number: ${data.pull}) {
+                    url
+                    author {
+                      login
+                      url
+                    }
+                    mergeCommit {
+                      commitUrl
+                      abbreviatedOid
+                    }
+                  }`,
+              )
+              .join('\n')}
+          }`,
+          )
+          .join('\n')}
+        }
+    `
+}
+
+function getFetchImplementation() {
+  if (typeof globalThis.fetch === 'function') {
+    return globalThis.fetch
+  }
+
+  return require('node-fetch')
+}
+
+function isRetryableError(error) {
+  return (
+    error?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
+    error?.cause?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
+    /premature close|terminated|socket hang up|network timeout/i.test(error?.message || '')
+  )
+}
+
+async function fetchGitHubData(query) {
+  const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
+  const fetch = getFetchImplementation()
+  const headers = {
+    Authorization: `Token ${GITHUB_TOKEN}`,
+    'Accept-Encoding': 'identity',
+    'Content-Type': 'application/json',
+  }
+  const body = JSON.stringify({query})
+  let lastError
+
+  for (let attempt = 0; attempt < 3; attempt++) {
+    try {
+      const response = await fetch(GITHUB_GRAPHQL_URL, {
+        method: 'POST',
+        headers,
+        body,
+        compress: false,
+      })
+
+      if (!response.ok && (response.status === 429 || response.status >= 500)) {
+        throw new Error(`GitHub GraphQL request failed with status ${response.status}`)
+      }
+
+      const data = await response.json()
+
+      if (data.errors) {
+        throw new Error(`Fetched data from GitHub returned errors\n${JSON.stringify(data.errors, null, 2)}`)
+      }
+
+      if (!data.data) {
+        throw new Error(`Fetched data from GitHub has missing data\n${JSON.stringify(data)}`)
+      }
+
+      return data
+    } catch (error) {
+      lastError = error
+      if (!isRetryableError(error) && !/status (?:429|5\d\d)/.test(error?.message || '')) {
+        break
+      }
+    }
+  }
+
+  throw new Error(`An error occurred when fetching data from GitHub\n${lastError.message}`)
+}
+
+async function loadGitHubInfo(request) {
+  const {GITHUB_SERVER_URL, GITHUB_TOKEN} = readEnv()
+
+  if (!GITHUB_TOKEN) {
+    throw new Error(
+      `Please create a GitHub personal access token at ${GITHUB_SERVER_URL}/settings/tokens/new with \`read:user\` and \`repo:status\` permissions and add it as the GITHUB_TOKEN environment variable`,
+    )
+  }
+
+  if (!request.repo) {
+    throw new Error('Please pass a GitHub repository in the form of userOrOrg/repoName to getInfo')
+  }
+
+  if (!validRepoNameRegex.test(request.repo)) {
+    throw new Error(
+      `Please pass a valid GitHub repository in the form of userOrOrg/repoName to getInfo (it has to match the "${validRepoNameRegex.source}" pattern)`,
+    )
+  }
+
+  const repos = {
+    [request.repo]: [request.kind === 'commit' ? {kind: 'commit', commit: request.commit} : {kind: 'pull', pull: request.pull}],
+  }
+  const data = await fetchGitHubData(makeQuery(repos))
+  return data.data.a0[request.kind === 'commit' ? `a${request.commit}` : `pr__${request.pull}`]
+}
+
+async function getInfo(request) {
+  if (!request.commit) {
+    throw new Error('Please pass a commit SHA to getInfo')
+  }
+
+  const data = await loadGitHubInfo({
+    kind: 'commit',
+    repo: request.repo,
+    commit: request.commit,
+  })
+  let user = data.author?.user || null
+  const associatedPullRequest =
+    data.associatedPullRequests?.nodes?.length > 0
+      ? data.associatedPullRequests.nodes.sort((a, b) => {
+          if (a.mergedAt === null && b.mergedAt === null) {
+            return 0
+          }
+
+          if (a.mergedAt === null) {
+            return 1
+          }
+
+          if (b.mergedAt === null) {
+            return -1
+          }
+
+          a = new Date(a.mergedAt)
+          b = new Date(b.mergedAt)
+          return a > b ? 1 : a < b ? -1 : 0
+        })[0]
+      : null
+
+  if (associatedPullRequest) {
+    user = associatedPullRequest.author
+  }
+
+  return {
+    user: user ? user.login : null,
+    pull: associatedPullRequest ? associatedPullRequest.number : null,
+    links: {
+      commit: `[\`${request.commit.slice(0, 7)}\`](${data.commitUrl})`,
+      pull: associatedPullRequest ? `[#${associatedPullRequest.number}](${associatedPullRequest.url})` : null,
+      user: user ? `[@${user.login}](${user.url})` : null,
+    },
+  }
+}
+
+async function getInfoFromPullRequest(request) {
+  if (request.pull === undefined) {
+    throw new Error('Please pass a pull request number')
+  }
+
+  const {GITHUB_SERVER_URL} = readEnv()
+  const data = await loadGitHubInfo({
+    kind: 'pull',
+    repo: request.repo,
+    pull: request.pull,
+  })
+  const user = data?.author
+  const commit = data?.mergeCommit
+
+  return {
+    user: user ? user.login : null,
+    commit: commit ? commit.abbreviatedOid : null,
+    links: {
+      commit: commit ? `[\`${commit.abbreviatedOid.slice(0, 7)}\`](${commit.commitUrl})` : null,
+      pull: `[#${request.pull}](${GITHUB_SERVER_URL}/${request.repo}/pull/${request.pull})`,
+      user: user ? `[@${user.login}](${user.url})` : null,
+    },
+  }
+}
+
+const changelogFunctions = {
+  getDependencyReleaseLine: async (changesets, dependenciesUpdated, options) => {
+    if (!options.repo) {
+      throw new Error(
+        'Please provide a repo to this changelog generator like this:\n"changelog": ["../script/changeset-changelog.cjs", { "repo": "org/repo" }]',
+      )
+    }
+
+    if (dependenciesUpdated.length === 0) {
+      return ''
+    }
+
+    const changesetLink = `- Updated dependencies [${(
+      await Promise.all(
+        changesets.map(async changeset => {
+          if (changeset.commit) {
+            const {links} = await getInfo({
+              repo: options.repo,
+              commit: changeset.commit,
+            })
+            return links.commit
+          }
+        }),
+      )
+    )
+      .filter(Boolean)
+      .join(', ')}]:`
+    const updatedDependenciesList = dependenciesUpdated.map(dependency => `  - ${dependency.name}@${dependency.newVersion}`)
+    return [changesetLink, ...updatedDependenciesList].join('\n')
+  },
+  getReleaseLine: async (changeset, _type, options) => {
+    if (!options?.repo) {
+      throw new Error(
+        'Please provide a repo to this changelog generator like this:\n"changelog": ["../script/changeset-changelog.cjs", { "repo": "org/repo" }]',
+      )
+    }
+
+    let prFromSummary
+    let commitFromSummary
+    const usersFromSummary = []
+    const replacedChangelog = changeset.summary
+      .replace(/^\s*(?:pr|pull|pull\s+request):\s*#?(\d+)/im, (_, pr) => {
+        const num = Number(pr)
+        if (!Number.isNaN(num)) {
+          prFromSummary = num
+        }
+        return ''
+      })
+      .replace(/^\s*commit:\s*([^\s]+)/im, (_, commit) => {
+        commitFromSummary = commit
+        return ''
+      })
+      .replace(/^\s*(?:author|user):\s*@?([^\s]+)/gim, (_, user) => {
+        usersFromSummary.push(user)
+        return ''
+      })
+      .trim()
+    const [firstLine, ...futureLines] = replacedChangelog.split('\n').map(line => line.trimEnd())
+    const links = await (async () => {
+      if (prFromSummary !== undefined) {
+        let {links} = await getInfoFromPullRequest({
+          repo: options.repo,
+          pull: prFromSummary,
+        })
+
+        if (commitFromSummary) {
+          const shortCommitId = commitFromSummary.slice(0, 7)
+          links = {
+            ...links,
+            commit: `[\`${shortCommitId}\`](https://github.com/${options.repo}/commit/${commitFromSummary})`,
+          }
+        }
+
+        return links
+      }
+
+      const commitToFetchFrom = commitFromSummary || changeset.commit
+
+      if (commitToFetchFrom) {
+        const {links} = await getInfo({
+          repo: options.repo,
+          commit: commitToFetchFrom,
+        })
+        return links
+      }
+
+      return {
+        commit: null,
+        pull: null,
+        user: null,
+      }
+    })()
+    const users = usersFromSummary.length
+      ? usersFromSummary.map(userFromSummary => `[@${userFromSummary}](https://github.com/${userFromSummary})`).join(', ')
+      : links.user
+    const prefix = [links.pull === null ? '' : ` ${links.pull}`, links.commit === null ? '' : ` ${links.commit}`, users === null ? '' : ` Thanks ${users}!`].join('')
+    return `\n\n-${prefix ? `${prefix} -` : ''} ${firstLine}\n${futureLines.map(line => `  ${line}`).join('\n')}`
+  },
+}
+
+module.exports = changelogFunctions

From e151ee3b3163fa65392f521c6ca997cbab64519a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:11:14 +0000
Subject: [PATCH 02/12] Format changeset changelog generator

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 388e835032d..5d22e1605a2 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -144,7 +144,9 @@ async function loadGitHubInfo(request) {
   }
 
   const repos = {
-    [request.repo]: [request.kind === 'commit' ? {kind: 'commit', commit: request.commit} : {kind: 'pull', pull: request.pull}],
+    [request.repo]: [
+      request.kind === 'commit' ? {kind: 'commit', commit: request.commit} : {kind: 'pull', pull: request.pull},
+    ],
   }
   const data = await fetchGitHubData(makeQuery(repos))
   return data.data.a0[request.kind === 'commit' ? `a${request.commit}` : `pr__${request.pull}`]
@@ -249,7 +251,9 @@ const changelogFunctions = {
     )
       .filter(Boolean)
       .join(', ')}]:`
-    const updatedDependenciesList = dependenciesUpdated.map(dependency => `  - ${dependency.name}@${dependency.newVersion}`)
+    const updatedDependenciesList = dependenciesUpdated.map(
+      dependency => `  - ${dependency.name}@${dependency.newVersion}`,
+    )
     return [changesetLink, ...updatedDependenciesList].join('\n')
   },
   getReleaseLine: async (changeset, _type, options) => {
@@ -315,9 +319,15 @@ const changelogFunctions = {
       }
     })()
     const users = usersFromSummary.length
-      ? usersFromSummary.map(userFromSummary => `[@${userFromSummary}](https://github.com/${userFromSummary})`).join(', ')
+      ? usersFromSummary
+          .map(userFromSummary => `[@${userFromSummary}](https://github.com/${userFromSummary})`)
+          .join(', ')
       : links.user
-    const prefix = [links.pull === null ? '' : ` ${links.pull}`, links.commit === null ? '' : ` ${links.commit}`, users === null ? '' : ` Thanks ${users}!`].join('')
+    const prefix = [
+      links.pull === null ? '' : ` ${links.pull}`,
+      links.commit === null ? '' : ` ${links.commit}`,
+      users === null ? '' : ` Thanks ${users}!`,
+    ].join('')
     return `\n\n-${prefix ? `${prefix} -` : ''} ${firstLine}\n${futureLines.map(line => `  ${line}`).join('\n')}`
   },
 }

From 72456305558c70d92b382fa2c06b002f6ef52f09 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:16:06 +0000
Subject: [PATCH 03/12] Address release changelog review feedback

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 42 ++++++++++++++++++++++++----------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 5d22e1605a2..b7baa3223b4 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -64,14 +64,25 @@ function makeQuery(repos) {
 
 function getFetchImplementation() {
   if (typeof globalThis.fetch === 'function') {
-    return globalThis.fetch
+    return {
+      fetch: globalThis.fetch,
+      useNodeFetchOptions: false,
+    }
   }
 
-  return require('node-fetch')
+  return {
+    fetch: require('node-fetch'),
+    useNodeFetchOptions: true,
+  }
+}
+
+function isRetryableStatus(status) {
+  return status === 429 || status >= 500
 }
 
 function isRetryableError(error) {
   return (
+    error?.retryable === true ||
     error?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
     error?.cause?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
     /premature close|terminated|socket hang up|network timeout/i.test(error?.message || '')
@@ -80,7 +91,7 @@ function isRetryableError(error) {
 
 async function fetchGitHubData(query) {
   const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
-  const fetch = getFetchImplementation()
+  const {fetch, useNodeFetchOptions} = getFetchImplementation()
   const headers = {
     Authorization: `Token ${GITHUB_TOKEN}`,
     'Accept-Encoding': 'identity',
@@ -91,15 +102,22 @@ async function fetchGitHubData(query) {
 
   for (let attempt = 0; attempt < 3; attempt++) {
     try {
-      const response = await fetch(GITHUB_GRAPHQL_URL, {
+      const requestOptions = {
         method: 'POST',
         headers,
         body,
-        compress: false,
-      })
+      }
+
+      if (useNodeFetchOptions) {
+        requestOptions.compress = false
+      }
+
+      const response = await fetch(GITHUB_GRAPHQL_URL, requestOptions)
 
-      if (!response.ok && (response.status === 429 || response.status >= 500)) {
-        throw new Error(`GitHub GraphQL request failed with status ${response.status}`)
+      if (!response.ok && isRetryableStatus(response.status)) {
+        const error = new Error(`GitHub GraphQL request failed with status ${response.status}`)
+        error.retryable = true
+        throw error
       }
 
       const data = await response.json()
@@ -115,7 +133,7 @@ async function fetchGitHubData(query) {
       return data
     } catch (error) {
       lastError = error
-      if (!isRetryableError(error) && !/status (?:429|5\d\d)/.test(error?.message || '')) {
+      if (!isRetryableError(error)) {
         break
       }
     }
@@ -178,9 +196,9 @@ async function getInfo(request) {
             return -1
           }
 
-          a = new Date(a.mergedAt)
-          b = new Date(b.mergedAt)
-          return a > b ? 1 : a < b ? -1 : 0
+          const dateA = new Date(a.mergedAt)
+          const dateB = new Date(b.mergedAt)
+          return dateA > dateB ? 1 : dateA < dateB ? -1 : 0
         })[0]
       : null
 

From 070cbedfe5f02333708865c544a2e494bb09c10a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:18:55 +0000
Subject: [PATCH 04/12] Refine release changelog helper

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index b7baa3223b4..1643081a157 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -1,4 +1,5 @@
 const validRepoNameRegex = /^[\w.-]+\/[\w.-]+$/
+const MAX_RETRY_ATTEMPTS = 3
 
 function readEnv() {
   return {
@@ -89,6 +90,15 @@ function isRetryableError(error) {
   )
 }
 
+function getCommitLink(commit, url, options = {}) {
+  if (typeof commit !== 'string' || commit.length === 0) {
+    throw new Error('Expected a commit SHA when generating changelog links')
+  }
+
+  const label = options.alreadyAbbreviated ? commit : commit.slice(0, 7)
+  return `[\`${label}\`](${url})`
+}
+
 async function fetchGitHubData(query) {
   const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
   const {fetch, useNodeFetchOptions} = getFetchImplementation()
@@ -100,7 +110,7 @@ async function fetchGitHubData(query) {
   const body = JSON.stringify({query})
   let lastError
 
-  for (let attempt = 0; attempt < 3; attempt++) {
+  for (let attempt = 0; attempt < MAX_RETRY_ATTEMPTS; attempt++) {
     try {
       const requestOptions = {
         method: 'POST',
@@ -139,7 +149,11 @@ async function fetchGitHubData(query) {
     }
   }
 
-  throw new Error(`An error occurred when fetching data from GitHub\n${lastError.message}`)
+  throw new Error(
+    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts\n${
+      lastError.stack || lastError.message
+    }`,
+  )
 }
 
 async function loadGitHubInfo(request) {
@@ -210,7 +224,7 @@ async function getInfo(request) {
     user: user ? user.login : null,
     pull: associatedPullRequest ? associatedPullRequest.number : null,
     links: {
-      commit: `[\`${request.commit.slice(0, 7)}\`](${data.commitUrl})`,
+      commit: getCommitLink(request.commit, data.commitUrl),
       pull: associatedPullRequest ? `[#${associatedPullRequest.number}](${associatedPullRequest.url})` : null,
       user: user ? `[@${user.login}](${user.url})` : null,
     },
@@ -235,7 +249,7 @@ async function getInfoFromPullRequest(request) {
     user: user ? user.login : null,
     commit: commit ? commit.abbreviatedOid : null,
     links: {
-      commit: commit ? `[\`${commit.abbreviatedOid.slice(0, 7)}\`](${commit.commitUrl})` : null,
+      commit: commit ? getCommitLink(commit.abbreviatedOid, commit.commitUrl, {alreadyAbbreviated: true}) : null,
       pull: `[#${request.pull}](${GITHUB_SERVER_URL}/${request.repo}/pull/${request.pull})`,
       user: user ? `[@${user.login}](${user.url})` : null,
     },
@@ -310,10 +324,9 @@ const changelogFunctions = {
         })
 
         if (commitFromSummary) {
-          const shortCommitId = commitFromSummary.slice(0, 7)
           links = {
             ...links,
-            commit: `[\`${shortCommitId}\`](https://github.com/${options.repo}/commit/${commitFromSummary})`,
+            commit: getCommitLink(commitFromSummary, `https://github.com/${options.repo}/commit/${commitFromSummary}`),
           }
         }
 

From 9d8eca0337331b5cc9a9379a26495d63098ee36f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:21:54 +0000
Subject: [PATCH 05/12] Polish release changelog helper

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 1643081a157..e82a21d1582 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -103,7 +103,7 @@ async function fetchGitHubData(query) {
   const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
   const {fetch, useNodeFetchOptions} = getFetchImplementation()
   const headers = {
-    Authorization: `Token ${GITHUB_TOKEN}`,
+    Authorization: 'Bearer ' + GITHUB_TOKEN,
     'Accept-Encoding': 'identity',
     'Content-Type': 'application/json',
   }
@@ -212,7 +212,7 @@ async function getInfo(request) {
 
           const dateA = new Date(a.mergedAt)
           const dateB = new Date(b.mergedAt)
-          return dateA > dateB ? 1 : dateA < dateB ? -1 : 0
+          return dateA - dateB
         })[0]
       : null
 
@@ -295,6 +295,7 @@ const changelogFunctions = {
       )
     }
 
+    const {GITHUB_SERVER_URL} = readEnv()
     let prFromSummary
     let commitFromSummary
     const usersFromSummary = []
@@ -326,7 +327,10 @@ const changelogFunctions = {
         if (commitFromSummary) {
           links = {
             ...links,
-            commit: getCommitLink(commitFromSummary, `https://github.com/${options.repo}/commit/${commitFromSummary}`),
+            commit: getCommitLink(
+              commitFromSummary,
+              `${GITHUB_SERVER_URL}/${options.repo}/commit/${commitFromSummary}`,
+            ),
           }
         }
 

From b3f2d8d68b0d27665959726e28be06012570a63c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:24:27 +0000
Subject: [PATCH 06/12] Document Node 26 release workaround

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index e82a21d1582..41cd89380ba 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -82,6 +82,7 @@ function isRetryableStatus(status) {
 }
 
 function isRetryableError(error) {
+  // Node.js v26 can surface GitHub gzip stream failures as premature close errors.
   return (
     error?.retryable === true ||
     error?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
@@ -104,6 +105,7 @@ async function fetchGitHubData(query) {
   const {fetch, useNodeFetchOptions} = getFetchImplementation()
   const headers = {
     Authorization: 'Bearer ' + GITHUB_TOKEN,
+    // Avoid node-fetch gzip handling failures in the release workflow on Node.js v26.
     'Accept-Encoding': 'identity',
     'Content-Type': 'application/json',
   }
@@ -119,6 +121,7 @@ async function fetchGitHubData(query) {
       }
 
       if (useNodeFetchOptions) {
+        // Complement the identity encoding request for node-fetch v2, which is used on older Node.js versions.
         requestOptions.compress = false
       }
 

From ff0e55bddc6ddd1d2da3a1f3f957c7a631e0c53c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:27:01 +0000
Subject: [PATCH 07/12] Harden changelog helper errors

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 41cd89380ba..8596d7c273d 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -13,11 +13,11 @@ function makeQuery(repos) {
   return `
       query {
         ${Object.keys(repos)
-          .map(
-            (repo, index) =>
-              `a${index}: repository(
-            owner: ${JSON.stringify(repo.split('/')[0])}
-            name: ${JSON.stringify(repo.split('/')[1])}
+          .map((repo, index) => {
+            const [owner, name] = repo.split('/')
+            return `a${index}: repository(
+            owner: ${JSON.stringify(owner)}
+            name: ${JSON.stringify(name)}
           ) {
             ${repos[repo]
               .map(data =>
@@ -56,8 +56,8 @@ function makeQuery(repos) {
                   }`,
               )
               .join('\n')}
-          }`,
-          )
+          }`
+          })
           .join('\n')}
         }
     `
@@ -102,6 +102,10 @@ function getCommitLink(commit, url, options = {}) {
 
 async function fetchGitHubData(query) {
   const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
+  if (!GITHUB_TOKEN) {
+    throw new Error('GITHUB_TOKEN is required to fetch changelog data from GitHub')
+  }
+
   const {fetch, useNodeFetchOptions} = getFetchImplementation()
   const headers = {
     Authorization: 'Bearer ' + GITHUB_TOKEN,
@@ -153,9 +157,7 @@ async function fetchGitHubData(query) {
   }
 
   throw new Error(
-    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts\n${
-      lastError.stack || lastError.message
-    }`,
+    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts\n${lastError.message}`,
   )
 }
 

From cbce1967b01d66ddeeaa9030ef9457461c583aea Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:30:00 +0000
Subject: [PATCH 08/12] Polish changelog helper implementation

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 8596d7c273d..088fdb0e067 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -4,7 +4,7 @@ const MAX_RETRY_ATTEMPTS = 3
 function readEnv() {
   return {
     GITHUB_GRAPHQL_URL: process.env.GITHUB_GRAPHQL_URL || 'https://api.github.com/graphql',
-    GITHUB_SERVER_URL: (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/$/, ''),
+    GITHUB_SERVER_URL: (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, ''),
     GITHUB_TOKEN: process.env.GITHUB_TOKEN,
   }
 }
@@ -156,9 +156,11 @@ async function fetchGitHubData(query) {
     }
   }
 
-  throw new Error(
+  const error = new Error(
     `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts\n${lastError.message}`,
   )
+  error.cause = lastError
+  throw error
 }
 
 async function loadGitHubInfo(request) {
@@ -217,7 +219,7 @@ async function getInfo(request) {
 
           const dateA = new Date(a.mergedAt)
           const dateB = new Date(b.mergedAt)
-          return dateA - dateB
+          return dateA.getTime() - dateB.getTime()
         })[0]
       : null
 
@@ -321,7 +323,7 @@ const changelogFunctions = {
         return ''
       })
       .trim()
-    const [firstLine, ...futureLines] = replacedChangelog.split('\n').map(line => line.trimEnd())
+    const [firstLine, ...remainingLines] = replacedChangelog.split('\n').map(line => line.trimEnd())
     const links = await (async () => {
       if (prFromSummary !== undefined) {
         let {links} = await getInfoFromPullRequest({
@@ -368,7 +370,7 @@ const changelogFunctions = {
       links.commit === null ? '' : ` ${links.commit}`,
       users === null ? '' : ` Thanks ${users}!`,
     ].join('')
-    return `\n\n-${prefix ? `${prefix} -` : ''} ${firstLine}\n${futureLines.map(line => `  ${line}`).join('\n')}`
+    return `\n\n-${prefix ? `${prefix} -` : ''} ${firstLine}\n${remainingLines.map(line => `  ${line}`).join('\n')}`
   },
 }
 

From e4c634fbbcc5b072daf7f02e4d74fa43c5f8774b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:32:45 +0000
Subject: [PATCH 09/12] Harden changelog helper logging

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 088fdb0e067..07d634336df 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -3,7 +3,6 @@ const MAX_RETRY_ATTEMPTS = 3
 
 function readEnv() {
   return {
-    GITHUB_GRAPHQL_URL: process.env.GITHUB_GRAPHQL_URL || 'https://api.github.com/graphql',
     GITHUB_SERVER_URL: (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, ''),
     GITHUB_TOKEN: process.env.GITHUB_TOKEN,
   }
@@ -100,8 +99,16 @@ function getCommitLink(commit, url, options = {}) {
   return `[\`${label}\`](${url})`
 }
 
+function getErrorSummary(error) {
+  if (error?.status) {
+    return `status ${error.status}`
+  }
+
+  return error?.code || error?.name || 'unknown error'
+}
+
 async function fetchGitHubData(query) {
-  const {GITHUB_GRAPHQL_URL, GITHUB_TOKEN} = readEnv()
+  const {GITHUB_TOKEN} = readEnv()
   if (!GITHUB_TOKEN) {
     throw new Error('GITHUB_TOKEN is required to fetch changelog data from GitHub')
   }
@@ -129,10 +136,11 @@ async function fetchGitHubData(query) {
         requestOptions.compress = false
       }
 
-      const response = await fetch(GITHUB_GRAPHQL_URL, requestOptions)
+      const response = await fetch('https://api.github.com/graphql', requestOptions)
 
       if (!response.ok && isRetryableStatus(response.status)) {
         const error = new Error(`GitHub GraphQL request failed with status ${response.status}`)
+        error.status = response.status
         error.retryable = true
         throw error
       }
@@ -140,11 +148,11 @@ async function fetchGitHubData(query) {
       const data = await response.json()
 
       if (data.errors) {
-        throw new Error(`Fetched data from GitHub returned errors\n${JSON.stringify(data.errors, null, 2)}`)
+        throw new Error(`Fetched data from GitHub returned ${data.errors.length} error(s)`)
       }
 
       if (!data.data) {
-        throw new Error(`Fetched data from GitHub has missing data\n${JSON.stringify(data)}`)
+        throw new Error('Fetched data from GitHub has missing data')
       }
 
       return data
@@ -157,7 +165,9 @@ async function fetchGitHubData(query) {
   }
 
   const error = new Error(
-    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts\n${lastError.message}`,
+    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts: ${getErrorSummary(
+      lastError,
+    )}`,
   )
   error.cause = lastError
   throw error

From 6fa65c429a6dd92c6668b10b9d7ef7b21789a5b5 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:35:46 +0000
Subject: [PATCH 10/12] Improve changelog helper readability

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 90 +++++++++++++++++-----------------
 1 file changed, 45 insertions(+), 45 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 07d634336df..11d91ffdaad 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -1,12 +1,6 @@
 const validRepoNameRegex = /^[\w.-]+\/[\w.-]+$/
 const MAX_RETRY_ATTEMPTS = 3
-
-function readEnv() {
-  return {
-    GITHUB_SERVER_URL: (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, ''),
-    GITHUB_TOKEN: process.env.GITHUB_TOKEN,
-  }
-}
+const GITHUB_SERVER_URL = (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, '')
 
 function makeQuery(repos) {
   return `
@@ -14,7 +8,7 @@ function makeQuery(repos) {
         ${Object.keys(repos)
           .map((repo, index) => {
             const [owner, name] = repo.split('/')
-            return `a${index}: repository(
+            return `repo${index}: repository(
             owner: ${JSON.stringify(owner)}
             name: ${JSON.stringify(name)}
           ) {
@@ -107,8 +101,33 @@ function getErrorSummary(error) {
   return error?.code || error?.name || 'unknown error'
 }
 
+function summarizeGitHubErrors(errors) {
+  return errors
+    .slice(0, 3)
+    .map(error => error.type || error.message || 'unknown error')
+    .join('; ')
+}
+
+function sortPullRequestsByMergeDate(a, b) {
+  if (a.mergedAt === null && b.mergedAt === null) {
+    return 0
+  }
+
+  if (a.mergedAt === null) {
+    return 1
+  }
+
+  if (b.mergedAt === null) {
+    return -1
+  }
+
+  const dateA = new Date(a.mergedAt)
+  const dateB = new Date(b.mergedAt)
+  return dateA.getTime() - dateB.getTime()
+}
+
 async function fetchGitHubData(query) {
-  const {GITHUB_TOKEN} = readEnv()
+  const GITHUB_TOKEN = process.env.GITHUB_TOKEN
   if (!GITHUB_TOKEN) {
     throw new Error('GITHUB_TOKEN is required to fetch changelog data from GitHub')
   }
@@ -148,7 +167,9 @@ async function fetchGitHubData(query) {
       const data = await response.json()
 
       if (data.errors) {
-        throw new Error(`Fetched data from GitHub returned ${data.errors.length} error(s)`)
+        throw new Error(
+          `Fetched data from GitHub returned ${data.errors.length} error(s): ${summarizeGitHubErrors(data.errors)}`,
+        )
       }
 
       if (!data.data) {
@@ -174,7 +195,7 @@ async function fetchGitHubData(query) {
 }
 
 async function loadGitHubInfo(request) {
-  const {GITHUB_SERVER_URL, GITHUB_TOKEN} = readEnv()
+  const GITHUB_TOKEN = process.env.GITHUB_TOKEN
 
   if (!GITHUB_TOKEN) {
     throw new Error(
@@ -198,7 +219,7 @@ async function loadGitHubInfo(request) {
     ],
   }
   const data = await fetchGitHubData(makeQuery(repos))
-  return data.data.a0[request.kind === 'commit' ? `a${request.commit}` : `pr__${request.pull}`]
+  return data.data.repo0[request.kind === 'commit' ? `a${request.commit}` : `pr__${request.pull}`]
 }
 
 async function getInfo(request) {
@@ -214,23 +235,7 @@ async function getInfo(request) {
   let user = data.author?.user || null
   const associatedPullRequest =
     data.associatedPullRequests?.nodes?.length > 0
-      ? data.associatedPullRequests.nodes.sort((a, b) => {
-          if (a.mergedAt === null && b.mergedAt === null) {
-            return 0
-          }
-
-          if (a.mergedAt === null) {
-            return 1
-          }
-
-          if (b.mergedAt === null) {
-            return -1
-          }
-
-          const dateA = new Date(a.mergedAt)
-          const dateB = new Date(b.mergedAt)
-          return dateA.getTime() - dateB.getTime()
-        })[0]
+      ? data.associatedPullRequests.nodes.sort(sortPullRequestsByMergeDate)[0]
       : null
 
   if (associatedPullRequest) {
@@ -253,7 +258,6 @@ async function getInfoFromPullRequest(request) {
     throw new Error('Please pass a pull request number')
   }
 
-  const {GITHUB_SERVER_URL} = readEnv()
   const data = await loadGitHubInfo({
     kind: 'pull',
     repo: request.repo,
@@ -285,21 +289,18 @@ const changelogFunctions = {
       return ''
     }
 
-    const changesetLink = `- Updated dependencies [${(
-      await Promise.all(
-        changesets.map(async changeset => {
-          if (changeset.commit) {
-            const {links} = await getInfo({
-              repo: options.repo,
-              commit: changeset.commit,
-            })
-            return links.commit
-          }
-        }),
-      )
+    const dependencyCommitLinks = await Promise.all(
+      changesets.map(async changeset => {
+        if (changeset.commit) {
+          const {links} = await getInfo({
+            repo: options.repo,
+            commit: changeset.commit,
+          })
+          return links.commit
+        }
+      }),
     )
-      .filter(Boolean)
-      .join(', ')}]:`
+    const changesetLink = `- Updated dependencies [${dependencyCommitLinks.filter(Boolean).join(', ')}]:`
     const updatedDependenciesList = dependenciesUpdated.map(
       dependency => `  - ${dependency.name}@${dependency.newVersion}`,
     )
@@ -312,7 +313,6 @@ const changelogFunctions = {
       )
     }
 
-    const {GITHUB_SERVER_URL} = readEnv()
     let prFromSummary
     let commitFromSummary
     const usersFromSummary = []

From 792e4b704fdc4323e27ffd1d30835f1bc2e2279a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:38:28 +0000
Subject: [PATCH 11/12] Clarify changelog helper constants

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 script/changeset-changelog.cjs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
index 11d91ffdaad..5a8faf016c4 100644
--- a/script/changeset-changelog.cjs
+++ b/script/changeset-changelog.cjs
@@ -1,5 +1,7 @@
 const validRepoNameRegex = /^[\w.-]+\/[\w.-]+$/
 const MAX_RETRY_ATTEMPTS = 3
+const COMMIT_ABBREVIATION_LENGTH = 7
+const MAX_GITHUB_ERRORS_TO_DISPLAY = 3
 const GITHUB_SERVER_URL = (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, '')
 
 function makeQuery(repos) {
@@ -89,7 +91,7 @@ function getCommitLink(commit, url, options = {}) {
     throw new Error('Expected a commit SHA when generating changelog links')
   }
 
-  const label = options.alreadyAbbreviated ? commit : commit.slice(0, 7)
+  const label = options.alreadyAbbreviated ? commit : commit.slice(0, COMMIT_ABBREVIATION_LENGTH)
   return `[\`${label}\`](${url})`
 }
 
@@ -103,7 +105,7 @@ function getErrorSummary(error) {
 
 function summarizeGitHubErrors(errors) {
   return errors
-    .slice(0, 3)
+    .slice(0, MAX_GITHUB_ERRORS_TO_DISPLAY)
     .map(error => error.type || error.message || 'unknown error')
     .join('; ')
 }
@@ -235,7 +237,7 @@ async function getInfo(request) {
   let user = data.author?.user || null
   const associatedPullRequest =
     data.associatedPullRequests?.nodes?.length > 0
-      ? data.associatedPullRequests.nodes.sort(sortPullRequestsByMergeDate)[0]
+      ? [...data.associatedPullRequests.nodes].sort(sortPullRequestsByMergeDate)[0]
       : null
 
   if (associatedPullRequest) {
@@ -333,7 +335,9 @@ const changelogFunctions = {
         return ''
       })
       .trim()
-    const [firstLine, ...remainingLines] = replacedChangelog.split('\n').map(line => line.trimEnd())
+    const [rawFirstLine, ...rawRemainingLines] = replacedChangelog.split('\n')
+    const firstLine = rawFirstLine.trimEnd()
+    const remainingLines = rawRemainingLines.map(line => line.trimEnd())
     const links = await (async () => {
       if (prFromSummary !== undefined) {
         let {links} = await getInfoFromPullRequest({

From cbd0d907bbf595d40d3e7367e86e042b35d7d253 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 24 Jun 2026 21:51:46 +0000
Subject: [PATCH 12/12] Use built-in Changesets changelog

Co-authored-by: joshblack <3901764+joshblack@users.noreply.github.com>
---
 .changeset/config.json         |   2 +-
 package-lock.json              |  77 -------
 package.json                   |   1 -
 script/changeset-changelog.cjs | 391 ---------------------------------
 4 files changed, 1 insertion(+), 470 deletions(-)
 delete mode 100644 script/changeset-changelog.cjs

diff --git a/.changeset/config.json b/.changeset/config.json
index d76dda5d6b3..c8615396de0 100644
--- a/.changeset/config.json
+++ b/.changeset/config.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://unpkg.com/@changesets/config@1.4.0/schema.json",
-  "changelog": ["../script/changeset-changelog.cjs", {"repo": "primer/react"}],
+  "changelog": "@changesets/cli/changelog",
   "commit": false,
   "linked": [],
   "access": "public",
diff --git a/package-lock.json b/package-lock.json
index 13a61236ac9..caf3b437546 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,6 @@
       "devDependencies": {
         "@babel/core": "^7.29.0",
         "@babel/eslint-parser": "7.28.6",
-        "@changesets/changelog-github": "0.5.1",
         "@changesets/cli": "^2.29.6",
         "@eslint-react/eslint-plugin": "^1.52.6",
         "@eslint/compat": "^2.0.2",
@@ -2320,16 +2319,6 @@
         "@changesets/types": "^6.1.0"
       }
     },
-    "node_modules/@changesets/changelog-github": {
-      "version": "0.5.1",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@changesets/get-github-info": "^0.6.0",
-        "@changesets/types": "^6.1.0",
-        "dotenv": "^8.1.0"
-      }
-    },
     "node_modules/@changesets/cli": {
       "version": "2.29.6",
       "resolved": "https://registry.npmjs.org/@changesets/cli/-/cli-2.29.6.tgz",
@@ -2403,15 +2392,6 @@
         "semver": "^7.5.3"
       }
     },
-    "node_modules/@changesets/get-github-info": {
-      "version": "0.6.0",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "dataloader": "^1.4.0",
-        "node-fetch": "^2.5.0"
-      }
-    },
     "node_modules/@changesets/get-release-plan": {
       "version": "4.0.13",
       "resolved": "https://registry.npmjs.org/@changesets/get-release-plan/-/get-release-plan-4.0.13.tgz",
@@ -14190,11 +14170,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/dataloader": {
-      "version": "1.4.0",
-      "dev": true,
-      "license": "BSD-3-Clause"
-    },
     "node_modules/debug": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -14511,14 +14486,6 @@
         "url": "https://github.com/fb55/domutils?sponsor=1"
       }
     },
-    "node_modules/dotenv": {
-      "version": "8.6.0",
-      "dev": true,
-      "license": "BSD-2-Clause",
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "license": "MIT",
@@ -20838,25 +20805,6 @@
         "semver": "bin/semver.js"
       }
     },
-    "node_modules/node-fetch": {
-      "version": "2.7.0",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "whatwg-url": "^5.0.0"
-      },
-      "engines": {
-        "node": "4.x || >=6.0.0"
-      },
-      "peerDependencies": {
-        "encoding": "^0.1.0"
-      },
-      "peerDependenciesMeta": {
-        "encoding": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/node-releases": {
       "version": "2.0.27",
       "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.27.tgz",
@@ -26860,13 +26808,6 @@
         "node": ">= 4.0.0"
       }
     },
-    "node_modules/tr46": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/tree-kill": {
       "version": "1.2.2",
       "dev": true,
@@ -29064,24 +29005,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/whatwg-url": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
-      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "tr46": "~0.0.3",
-        "webidl-conversions": "^3.0.0"
-      }
-    },
-    "node_modules/whatwg-url/node_modules/webidl-conversions": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "dev": true,
-      "license": "BSD-2-Clause"
-    },
     "node_modules/which": {
       "version": "1.3.1",
       "dev": true,
diff --git a/package.json b/package.json
index a05901677fb..a182b180178 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,6 @@
   "devDependencies": {
     "@babel/core": "^7.29.0",
     "@babel/eslint-parser": "7.28.6",
-    "@changesets/changelog-github": "0.5.1",
     "@changesets/cli": "^2.29.6",
     "@eslint-react/eslint-plugin": "^1.52.6",
     "@eslint/compat": "^2.0.2",
diff --git a/script/changeset-changelog.cjs b/script/changeset-changelog.cjs
deleted file mode 100644
index 5a8faf016c4..00000000000
--- a/script/changeset-changelog.cjs
+++ /dev/null
@@ -1,391 +0,0 @@
-const validRepoNameRegex = /^[\w.-]+\/[\w.-]+$/
-const MAX_RETRY_ATTEMPTS = 3
-const COMMIT_ABBREVIATION_LENGTH = 7
-const MAX_GITHUB_ERRORS_TO_DISPLAY = 3
-const GITHUB_SERVER_URL = (process.env.GITHUB_SERVER_URL || 'https://github.com').replace(/\/+$/, '')
-
-function makeQuery(repos) {
-  return `
-      query {
-        ${Object.keys(repos)
-          .map((repo, index) => {
-            const [owner, name] = repo.split('/')
-            return `repo${index}: repository(
-            owner: ${JSON.stringify(owner)}
-            name: ${JSON.stringify(name)}
-          ) {
-            ${repos[repo]
-              .map(data =>
-                data.kind === 'commit'
-                  ? `a${data.commit}: object(expression: ${JSON.stringify(data.commit)}) {
-            ... on Commit {
-            commitUrl
-            associatedPullRequests(first: 50) {
-              nodes {
-                number
-                url
-                mergedAt
-                author {
-                  login
-                  url
-                }
-              }
-            }
-            author {
-              user {
-                login
-                url
-              }
-            }
-          }}`
-                  : `pr__${data.pull}: pullRequest(number: ${data.pull}) {
-                    url
-                    author {
-                      login
-                      url
-                    }
-                    mergeCommit {
-                      commitUrl
-                      abbreviatedOid
-                    }
-                  }`,
-              )
-              .join('\n')}
-          }`
-          })
-          .join('\n')}
-        }
-    `
-}
-
-function getFetchImplementation() {
-  if (typeof globalThis.fetch === 'function') {
-    return {
-      fetch: globalThis.fetch,
-      useNodeFetchOptions: false,
-    }
-  }
-
-  return {
-    fetch: require('node-fetch'),
-    useNodeFetchOptions: true,
-  }
-}
-
-function isRetryableStatus(status) {
-  return status === 429 || status >= 500
-}
-
-function isRetryableError(error) {
-  // Node.js v26 can surface GitHub gzip stream failures as premature close errors.
-  return (
-    error?.retryable === true ||
-    error?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
-    error?.cause?.code === 'ERR_STREAM_PREMATURE_CLOSE' ||
-    /premature close|terminated|socket hang up|network timeout/i.test(error?.message || '')
-  )
-}
-
-function getCommitLink(commit, url, options = {}) {
-  if (typeof commit !== 'string' || commit.length === 0) {
-    throw new Error('Expected a commit SHA when generating changelog links')
-  }
-
-  const label = options.alreadyAbbreviated ? commit : commit.slice(0, COMMIT_ABBREVIATION_LENGTH)
-  return `[\`${label}\`](${url})`
-}
-
-function getErrorSummary(error) {
-  if (error?.status) {
-    return `status ${error.status}`
-  }
-
-  return error?.code || error?.name || 'unknown error'
-}
-
-function summarizeGitHubErrors(errors) {
-  return errors
-    .slice(0, MAX_GITHUB_ERRORS_TO_DISPLAY)
-    .map(error => error.type || error.message || 'unknown error')
-    .join('; ')
-}
-
-function sortPullRequestsByMergeDate(a, b) {
-  if (a.mergedAt === null && b.mergedAt === null) {
-    return 0
-  }
-
-  if (a.mergedAt === null) {
-    return 1
-  }
-
-  if (b.mergedAt === null) {
-    return -1
-  }
-
-  const dateA = new Date(a.mergedAt)
-  const dateB = new Date(b.mergedAt)
-  return dateA.getTime() - dateB.getTime()
-}
-
-async function fetchGitHubData(query) {
-  const GITHUB_TOKEN = process.env.GITHUB_TOKEN
-  if (!GITHUB_TOKEN) {
-    throw new Error('GITHUB_TOKEN is required to fetch changelog data from GitHub')
-  }
-
-  const {fetch, useNodeFetchOptions} = getFetchImplementation()
-  const headers = {
-    Authorization: 'Bearer ' + GITHUB_TOKEN,
-    // Avoid node-fetch gzip handling failures in the release workflow on Node.js v26.
-    'Accept-Encoding': 'identity',
-    'Content-Type': 'application/json',
-  }
-  const body = JSON.stringify({query})
-  let lastError
-
-  for (let attempt = 0; attempt < MAX_RETRY_ATTEMPTS; attempt++) {
-    try {
-      const requestOptions = {
-        method: 'POST',
-        headers,
-        body,
-      }
-
-      if (useNodeFetchOptions) {
-        // Complement the identity encoding request for node-fetch v2, which is used on older Node.js versions.
-        requestOptions.compress = false
-      }
-
-      const response = await fetch('https://api.github.com/graphql', requestOptions)
-
-      if (!response.ok && isRetryableStatus(response.status)) {
-        const error = new Error(`GitHub GraphQL request failed with status ${response.status}`)
-        error.status = response.status
-        error.retryable = true
-        throw error
-      }
-
-      const data = await response.json()
-
-      if (data.errors) {
-        throw new Error(
-          `Fetched data from GitHub returned ${data.errors.length} error(s): ${summarizeGitHubErrors(data.errors)}`,
-        )
-      }
-
-      if (!data.data) {
-        throw new Error('Fetched data from GitHub has missing data')
-      }
-
-      return data
-    } catch (error) {
-      lastError = error
-      if (!isRetryableError(error)) {
-        break
-      }
-    }
-  }
-
-  const error = new Error(
-    `An error occurred when fetching data from GitHub after ${MAX_RETRY_ATTEMPTS} attempts: ${getErrorSummary(
-      lastError,
-    )}`,
-  )
-  error.cause = lastError
-  throw error
-}
-
-async function loadGitHubInfo(request) {
-  const GITHUB_TOKEN = process.env.GITHUB_TOKEN
-
-  if (!GITHUB_TOKEN) {
-    throw new Error(
-      `Please create a GitHub personal access token at ${GITHUB_SERVER_URL}/settings/tokens/new with \`read:user\` and \`repo:status\` permissions and add it as the GITHUB_TOKEN environment variable`,
-    )
-  }
-
-  if (!request.repo) {
-    throw new Error('Please pass a GitHub repository in the form of userOrOrg/repoName to getInfo')
-  }
-
-  if (!validRepoNameRegex.test(request.repo)) {
-    throw new Error(
-      `Please pass a valid GitHub repository in the form of userOrOrg/repoName to getInfo (it has to match the "${validRepoNameRegex.source}" pattern)`,
-    )
-  }
-
-  const repos = {
-    [request.repo]: [
-      request.kind === 'commit' ? {kind: 'commit', commit: request.commit} : {kind: 'pull', pull: request.pull},
-    ],
-  }
-  const data = await fetchGitHubData(makeQuery(repos))
-  return data.data.repo0[request.kind === 'commit' ? `a${request.commit}` : `pr__${request.pull}`]
-}
-
-async function getInfo(request) {
-  if (!request.commit) {
-    throw new Error('Please pass a commit SHA to getInfo')
-  }
-
-  const data = await loadGitHubInfo({
-    kind: 'commit',
-    repo: request.repo,
-    commit: request.commit,
-  })
-  let user = data.author?.user || null
-  const associatedPullRequest =
-    data.associatedPullRequests?.nodes?.length > 0
-      ? [...data.associatedPullRequests.nodes].sort(sortPullRequestsByMergeDate)[0]
-      : null
-
-  if (associatedPullRequest) {
-    user = associatedPullRequest.author
-  }
-
-  return {
-    user: user ? user.login : null,
-    pull: associatedPullRequest ? associatedPullRequest.number : null,
-    links: {
-      commit: getCommitLink(request.commit, data.commitUrl),
-      pull: associatedPullRequest ? `[#${associatedPullRequest.number}](${associatedPullRequest.url})` : null,
-      user: user ? `[@${user.login}](${user.url})` : null,
-    },
-  }
-}
-
-async function getInfoFromPullRequest(request) {
-  if (request.pull === undefined) {
-    throw new Error('Please pass a pull request number')
-  }
-
-  const data = await loadGitHubInfo({
-    kind: 'pull',
-    repo: request.repo,
-    pull: request.pull,
-  })
-  const user = data?.author
-  const commit = data?.mergeCommit
-
-  return {
-    user: user ? user.login : null,
-    commit: commit ? commit.abbreviatedOid : null,
-    links: {
-      commit: commit ? getCommitLink(commit.abbreviatedOid, commit.commitUrl, {alreadyAbbreviated: true}) : null,
-      pull: `[#${request.pull}](${GITHUB_SERVER_URL}/${request.repo}/pull/${request.pull})`,
-      user: user ? `[@${user.login}](${user.url})` : null,
-    },
-  }
-}
-
-const changelogFunctions = {
-  getDependencyReleaseLine: async (changesets, dependenciesUpdated, options) => {
-    if (!options.repo) {
-      throw new Error(
-        'Please provide a repo to this changelog generator like this:\n"changelog": ["../script/changeset-changelog.cjs", { "repo": "org/repo" }]',
-      )
-    }
-
-    if (dependenciesUpdated.length === 0) {
-      return ''
-    }
-
-    const dependencyCommitLinks = await Promise.all(
-      changesets.map(async changeset => {
-        if (changeset.commit) {
-          const {links} = await getInfo({
-            repo: options.repo,
-            commit: changeset.commit,
-          })
-          return links.commit
-        }
-      }),
-    )
-    const changesetLink = `- Updated dependencies [${dependencyCommitLinks.filter(Boolean).join(', ')}]:`
-    const updatedDependenciesList = dependenciesUpdated.map(
-      dependency => `  - ${dependency.name}@${dependency.newVersion}`,
-    )
-    return [changesetLink, ...updatedDependenciesList].join('\n')
-  },
-  getReleaseLine: async (changeset, _type, options) => {
-    if (!options?.repo) {
-      throw new Error(
-        'Please provide a repo to this changelog generator like this:\n"changelog": ["../script/changeset-changelog.cjs", { "repo": "org/repo" }]',
-      )
-    }
-
-    let prFromSummary
-    let commitFromSummary
-    const usersFromSummary = []
-    const replacedChangelog = changeset.summary
-      .replace(/^\s*(?:pr|pull|pull\s+request):\s*#?(\d+)/im, (_, pr) => {
-        const num = Number(pr)
-        if (!Number.isNaN(num)) {
-          prFromSummary = num
-        }
-        return ''
-      })
-      .replace(/^\s*commit:\s*([^\s]+)/im, (_, commit) => {
-        commitFromSummary = commit
-        return ''
-      })
-      .replace(/^\s*(?:author|user):\s*@?([^\s]+)/gim, (_, user) => {
-        usersFromSummary.push(user)
-        return ''
-      })
-      .trim()
-    const [rawFirstLine, ...rawRemainingLines] = replacedChangelog.split('\n')
-    const firstLine = rawFirstLine.trimEnd()
-    const remainingLines = rawRemainingLines.map(line => line.trimEnd())
-    const links = await (async () => {
-      if (prFromSummary !== undefined) {
-        let {links} = await getInfoFromPullRequest({
-          repo: options.repo,
-          pull: prFromSummary,
-        })
-
-        if (commitFromSummary) {
-          links = {
-            ...links,
-            commit: getCommitLink(
-              commitFromSummary,
-              `${GITHUB_SERVER_URL}/${options.repo}/commit/${commitFromSummary}`,
-            ),
-          }
-        }
-
-        return links
-      }
-
-      const commitToFetchFrom = commitFromSummary || changeset.commit
-
-      if (commitToFetchFrom) {
-        const {links} = await getInfo({
-          repo: options.repo,
-          commit: commitToFetchFrom,
-        })
-        return links
-      }
-
-      return {
-        commit: null,
-        pull: null,
-        user: null,
-      }
-    })()
-    const users = usersFromSummary.length
-      ? usersFromSummary
-          .map(userFromSummary => `[@${userFromSummary}](https://github.com/${userFromSummary})`)
-          .join(', ')
-      : links.user
-    const prefix = [
-      links.pull === null ? '' : ` ${links.pull}`,
-      links.commit === null ? '' : ` ${links.commit}`,
-      users === null ? '' : ` Thanks ${users}!`,
-    ].join('')
-    return `\n\n-${prefix ? `${prefix} -` : ''} ${firstLine}\n${remainingLines.map(line => `  ${line}`).join('\n')}`
-  },
-}
-
-module.exports = changelogFunctions