diff --git a/.github/workflows/release-tip.yml b/.github/workflows/release-tip.yml
index 28e56e7fb..bd6002607 100644
--- a/.github/workflows/release-tip.yml
+++ b/.github/workflows/release-tip.yml
@@ -260,6 +260,91 @@ jobs:
             libghostty-vt-source.tar.gz.minisig
           token: ${{ secrets.GH_RELEASE_TOKEN }}
 
+  build-lib-vt-xcframework:
+    needs: [setup]
+    if: |
+      needs.setup.outputs.should_skip != 'true' &&
+      (
+        github.event_name == 'workflow_dispatch' ||
+        (
+          github.repository_owner == 'ghostty-org' &&
+          github.ref_name == 'main'
+        )
+      )
+    runs-on: namespace-profile-ghostty-macos-tahoe
+    env:
+      GHOSTTY_COMMIT_LONG: ${{ needs.setup.outputs.commit_long }}
+      ZIG_LOCAL_CACHE_DIR: /Users/runner/zig/local-cache
+      ZIG_GLOBAL_CACHE_DIR: /Users/runner/zig/global-cache
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Setup Cache
+        uses: namespacelabs/nscloud-cache-action@a90bb5d4b27522ce881c6e98eebd7d7e6d1653f9 # v1.4.2
+        with:
+          cache: |
+            xcode
+          path: |
+            /Users/runner/zig
+
+      # TODO(tahoe): https://github.com/NixOS/nix/issues/13342
+      - uses: DeterminateSystems/nix-installer-action@main
+        with:
+          determinate: true
+      - uses: cachix/cachix-action@1eb2ef646ac0255473d23a5907ad7b04ce94065c # v17
+        with:
+          name: ghostty
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+
+      - name: Xcode Select
+        run: sudo xcode-select -s /Applications/Xcode_26.3.app
+
+      - name: Build XCFramework
+        run: nix develop -c zig build -Demit-lib-vt -Doptimize=ReleaseFast
+
+      - name: Zip XCFramework
+        run: |
+          cd zig-out/lib
+          zip -9 -r ../../ghostty-vt.xcframework.zip ghostty-vt.xcframework
+
+      - name: Sign XCFramework
+        run: |
+          echo -n "${{ secrets.MINISIGN_KEY }}" > minisign.key
+          echo -n "${{ secrets.MINISIGN_PASSWORD }}" > minisign.password
+          nix develop -c minisign -S -m ghostty-vt.xcframework.zip -s minisign.key < minisign.password
+
+      - name: Update Release
+        uses: softprops/action-gh-release@153bb8e04406b158c6c84fc1615b65b24149a1fe # v2.6.1
+        with:
+          name: 'Ghostty Tip ("Nightly")'
+          prerelease: true
+          tag_name: tip
+          target_commitish: ${{ github.sha }}
+          files: |
+            ghostty-vt.xcframework.zip
+            ghostty-vt.xcframework.zip.minisig
+          token: ${{ secrets.GH_RELEASE_TOKEN }}
+
+      - name: Prep R2 Storage
+        run: |
+          mkdir -p blob/${GHOSTTY_COMMIT_LONG}
+          cp ghostty-vt.xcframework.zip blob/${GHOSTTY_COMMIT_LONG}/ghostty-vt.xcframework.zip
+      - name: Upload to R2
+        uses: ryand56/r2-upload-action@b801a390acbdeb034c5e684ff5e1361c06639e7c # v1.4
+        with:
+          r2-account-id: ${{ secrets.CF_R2_TIP_ACCOUNT_ID }}
+          r2-access-key-id: ${{ secrets.CF_R2_TIP_AWS_KEY }}
+          r2-secret-access-key: ${{ secrets.CF_R2_TIP_SECRET_KEY }}
+          r2-bucket: ghostty-tip
+          source-dir: blob
+          destination-dir: ./
+
+      - name: Echo Release URLs
+        run: |
+          echo "Release URLs:"
+          echo "  XCFramework: https://tip.files.ghostty.org/${GHOSTTY_COMMIT_LONG}/ghostty-vt.xcframework.zip"
+
   build-macos:
     needs: [setup]
     if: |