diff --git a/.github/workflows/fork-release.yml b/.github/workflows/fork-release.yml
index d656a2dc57388..7bf6663cf562d 100644
--- a/.github/workflows/fork-release.yml
+++ b/.github/workflows/fork-release.yml
@@ -5,10 +5,10 @@ name: Fork release
 # deploy secrets, so this reuses only its per-platform packaging
 # (release-desktop.yml) on GitHub-hosted runners.
 #
-# Builds are unsigned and carry a -preview.YYYYMMDD.N version, which ships no
-# update feed (see isDesktopPreviewVersion in scripts/build-desktop-artifact.ts).
-# An install never auto-updates, so it cannot jump to an upstream build; install
-# a newer release to update.
+# Builds carry a -fork.YYYYMMDD.N version. Unlike -preview, that ships an update
+# feed, and the build points it at GITHUB_REPOSITORY, so installs update from
+# this fork's latest release, never from upstream. macOS can only install an
+# update when the app is signed; add the Apple secrets release-desktop.yml reads.
 
 on:
   push:
@@ -70,7 +70,7 @@ jobs:
         run: |
           set -euo pipefail
           base_version="$(node -p "require('./apps/desktop/package.json').version")"
-          version="${base_version}-preview.$(date -u +%Y%m%d).${GITHUB_RUN_NUMBER}"
+          version="${base_version}-fork.$(date -u +%Y%m%d).${GITHUB_RUN_NUMBER}"
           node scripts/update-release-package-versions.ts "$version"
           echo "version=$version" >> "$GITHUB_OUTPUT"
 
@@ -127,18 +127,22 @@ jobs:
             arch: x64
             rust_target: x86_64-unknown-linux-gnu
             resource_key: linux-x64
+          # Like release.yml: Windows packages on Linux and runs its native
+          # checks on a Windows runner.
           - label: Windows x64
-            runner: windows-2025
+            runner: ubuntu-24.04
+            verify_runner: windows-2025
             platform: win
             target: nsis
             arch: x64
             rust_target: x86_64-pc-windows-msvc
             resource_key: win32-x64
     uses: ./.github/workflows/release-desktop.yml
+    secrets: inherit
     with:
       version: ${{ needs.bundle.outputs.version }}
       ref: ${{ github.sha }}
-      release_channel: preview
+      release_channel: stable
       relay_client_tracing: false
       clerk_publishable_key: ${{ needs.bundle.outputs.clerk_publishable_key }}
       clerk_jwt_template: ${{ needs.bundle.outputs.clerk_jwt_template }}
@@ -146,6 +150,7 @@ jobs:
       relay_url: ${{ needs.bundle.outputs.relay_url }}
       label: ${{ matrix.label }}
       runner: ${{ matrix.runner }}
+      verify_runner: ${{ matrix.verify_runner || '' }}
       platform: ${{ matrix.platform }}
       target: ${{ matrix.target }}
       arch: ${{ matrix.arch }}
@@ -175,6 +180,25 @@ jobs:
           path: assets
           merge-multiple: true
 
+      # electron-updater reads latest.yml on Windows; the build job suffixed it
+      # with the arch. builder-debug.yml is electron-builder's config dump.
+      - name: Restore updater manifest names
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -f assets/builder-debug.yml
+          mv assets/latest-win-x64.yml assets/latest.yml
+
+      # t3 update verifies the CLI archive it downloads against this file.
+      - name: Write CLI archive checksums
+        shell: bash
+        run: |
+          set -euo pipefail
+          cd assets
+          shopt -s nullglob
+          sha256sum t3-*.tar.gz t3-*.zip > SHA256SUMS
+          cat SHA256SUMS
+
       - name: Publish release
         shell: bash
         env:
@@ -186,14 +210,14 @@ jobs:
           cat > notes.md <<EOF
           Built from ${GITHUB_REPOSITORY}@${short_sha}.
 
-          These builds are unsigned and do not update themselves. To update, install a newer release.
+          Installs check this repository for updates. On macOS, an unsigned build cannot install them: install a newer release instead.
 
           - **macOS (Apple silicon):** open the \`.dmg\` and drag the app to Applications. If macOS says the app is damaged, run \`xattr -dr com.apple.quarantine "/Applications/T3 Code (Beta).app"\`.
           - **Windows:** run the \`.exe\`. If SmartScreen blocks it, choose **More info**, then **Run anyway**.
           - **Linux:** \`chmod +x\` the \`.AppImage\`, then run it.
           - **CLI / headless server:** extract the \`t3\` archive for your platform.
           EOF
-          gh release create "fork-v${VERSION}" assets/* \
+          gh release create "v${VERSION}" assets/* \
             --repo "$GITHUB_REPOSITORY" \
             --target "$GITHUB_SHA" \
             --title "T3 Code ${VERSION}" \
diff --git a/apps/mobile/src/features/settings/environment-maintenance.test.ts b/apps/mobile/src/features/settings/environment-maintenance.test.ts
index 86b104a45e638..29579c0a74c0a 100644
--- a/apps/mobile/src/features/settings/environment-maintenance.test.ts
+++ b/apps/mobile/src/features/settings/environment-maintenance.test.ts
@@ -58,7 +58,7 @@ describe("environment release checks", () => {
   const signal = new AbortController().signal;
   const feed = (...tags: ReadonlyArray<string>) =>
     new Response(
-      `<feed><id>tag:github.com,2008:https://github.com/pingdotgg/t3code/releases</id>${tags
+      `<feed><id>tag:github.com,2008:https://github.com/ScriptedAlchemy/t3code/releases</id>${tags
         .map((tag) => `<entry><id>tag:github.com,2008:Repository/1/${tag}</id></entry>`)
         .join("")}</feed>`,
     );
@@ -67,7 +67,7 @@ describe("environment release checks", () => {
     vi.stubGlobal(
       "fetch",
       vi.fn(async (url: string) =>
-        url === "https://github.com/pingdotgg/t3code/releases.atom"
+        url === "https://github.com/ScriptedAlchemy/t3code/releases.atom"
           ? feed(
               "desktop-preview",
               "v1.0.0-preview.20260924.3",
@@ -93,11 +93,16 @@ describe("environment release checks", () => {
     vi.stubGlobal(
       "fetch",
       vi.fn(async (url: string) => {
-        if (url === "https://github.com/pingdotgg/t3code/releases.atom") return feed(...nightlies);
-        if (url === "https://api.github.com/repos/pingdotgg/t3code/releases?per_page=100&page=1") {
+        if (url === "https://github.com/ScriptedAlchemy/t3code/releases.atom")
+          return feed(...nightlies);
+        if (
+          url === "https://api.github.com/repos/ScriptedAlchemy/t3code/releases?per_page=100&page=1"
+        ) {
           return Response.json(Array.from({ length: 100 }, () => ({ tag_name: "v2.0.0" })));
         }
-        if (url === "https://api.github.com/repos/pingdotgg/t3code/releases?per_page=100&page=2") {
+        if (
+          url === "https://api.github.com/repos/ScriptedAlchemy/t3code/releases?per_page=100&page=2"
+        ) {
           return Response.json([
             { tag_name: "v1.0.0-preview.20260925.1", draft: true },
             { tag_name: "v1.0.0-preview.20260924.3" },
diff --git a/apps/server/src/cli/update.test.ts b/apps/server/src/cli/update.test.ts
index e6a6eb5ee1dbf..92b36e94d4a0a 100644
--- a/apps/server/src/cli/update.test.ts
+++ b/apps/server/src/cli/update.test.ts
@@ -18,7 +18,7 @@ it.effect("authenticates each release page until the requested channel is found"
     const httpClient = HttpClient.make((request) => {
       const url = new URL(request.url);
       assert.equal(url.origin, "https://api.github.com");
-      assert.equal(url.pathname, "/repos/pingdotgg/t3code/releases");
+      assert.equal(url.pathname, "/repos/ScriptedAlchemy/t3code/releases");
       assert.equal(request.headers.accept, "application/vnd.github+json");
       assert.equal(request.headers.authorization, "Bearer gh-token");
       const page = url.searchParams.get("page") ?? "";
diff --git a/packages/shared/src/cliRelease.ts b/packages/shared/src/cliRelease.ts
index 94bd3cffa168c..61a4de696c454 100644
--- a/packages/shared/src/cliRelease.ts
+++ b/packages/shared/src/cliRelease.ts
@@ -1,4 +1,4 @@
-const CLI_RELEASE_REPOSITORY = "pingdotgg/t3code";
+const CLI_RELEASE_REPOSITORY = "ScriptedAlchemy/t3code";
 export const CLI_RELEASES_PAGE_URL = `https://github.com/${CLI_RELEASE_REPOSITORY}/releases`;
 export const CLI_RELEASE_CHECKSUMS_FILE = "SHA256SUMS";
 export const CLI_RELEASE_BASE_URL_ENV = "T3CODE_RELEASE_BASE_URL";
diff --git a/scripts/build-desktop-artifact.test.ts b/scripts/build-desktop-artifact.test.ts
index 862a5d29dea23..1151239cbad85 100644
--- a/scripts/build-desktop-artifact.test.ts
+++ b/scripts/build-desktop-artifact.test.ts
@@ -523,6 +523,35 @@ it.layer(NodeServices.layer)("build-desktop-artifact", (it) => {
     ),
   );
 
+  it.effect("points fork builds' stable update feed at the building repository", () =>
+    Effect.gen(function* () {
+      const fork = yield* createBuildConfig(
+        "mac",
+        "dmg",
+        "0.1.0-fork.20261025.7",
+        false,
+        false,
+        undefined,
+        undefined,
+      );
+
+      assert.deepStrictEqual(fork.publish, [
+        {
+          provider: "github",
+          owner: "ScriptedAlchemy",
+          repo: "t3code",
+          releaseType: "release",
+        },
+      ]);
+    }).pipe(
+      Effect.provide(
+        ConfigProvider.layer(
+          ConfigProvider.fromEnv({ env: { GITHUB_REPOSITORY: "ScriptedAlchemy/t3code" } }),
+        ),
+      ),
+    ),
+  );
+
   // pnpm writes "set this to true or false" placeholders into allowBuilds when a
   // tarball changes. pnpm ignores them, but the release build decode rejects them.
   it.effect("decodes the repo allowBuilds and every file: tarball it names exists", () =>