diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ec68d28683..af008f6b17 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -209,15 +209,131 @@ jobs:
             packages/opencode/dist/opencode-windows-x64
             packages/opencode/dist/opencode-windows-x64-baseline
 
-  upload-latest-json:
+  build-tauri:
     needs:
+      - build-cli
       - version
-    runs-on: blacksmith-4vcpu-ubuntu-2404
-    if: github.repository == 'anomalyco/opencode' && needs.version.outputs.release != ''
+    continue-on-error: false
+    env:
+      AZURE_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
+      AZURE_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
+      AZURE_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+      AZURE_TRUSTED_SIGNING_ACCOUNT_NAME: ${{ secrets.AZURE_TRUSTED_SIGNING_ACCOUNT_NAME }}
+      AZURE_TRUSTED_SIGNING_CERTIFICATE_PROFILE: ${{ secrets.AZURE_TRUSTED_SIGNING_CERTIFICATE_PROFILE }}
+      AZURE_TRUSTED_SIGNING_ENDPOINT: ${{ secrets.AZURE_TRUSTED_SIGNING_ENDPOINT }}
+    strategy:
+      fail-fast: false
+      matrix:
+        settings:
+          - host: macos-latest
+            target: x86_64-apple-darwin
+          - host: macos-latest
+            target: aarch64-apple-darwin
+          # github-hosted: blacksmith lacks ARM64 MSVC cross-compilation toolchain
+          - host: windows-2025
+            target: aarch64-pc-windows-msvc
+          - host: blacksmith-4vcpu-windows-2025
+            target: x86_64-pc-windows-msvc
+          - host: blacksmith-4vcpu-ubuntu-2404
+            target: x86_64-unknown-linux-gnu
+          - host: blacksmith-8vcpu-ubuntu-2404-arm
+            target: aarch64-unknown-linux-gnu
+    runs-on: ${{ matrix.settings.host }}
     steps:
-      - name: Download latest.json from v1.4.3
+      - uses: actions/checkout@v3
+        with:
+          fetch-tags: true
+
+      - uses: apple-actions/import-codesign-certs@v2
+        if: ${{ runner.os == 'macOS' }}
+        with:
+          keychain: build
+          p12-file-base64: ${{ secrets.APPLE_CERTIFICATE }}
+          p12-password: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+
+      - name: Verify Certificate
+        if: ${{ runner.os == 'macOS' }}
         run: |
-          curl -L -o latest.json "https://github.com/anomalyco/opencode/releases/download/v1.4.3/latest.json"
+          CERT_INFO=$(security find-identity -v -p codesigning build.keychain | grep "Developer ID Application")
+          CERT_ID=$(echo "$CERT_INFO" | awk -F'"' '{print $2}')
+          echo "CERT_ID=$CERT_ID" >> $GITHUB_ENV
+          echo "Certificate imported."
+
+      - name: Setup Apple API Key
+        if: ${{ runner.os == 'macOS' }}
+        run: |
+          echo "${{ secrets.APPLE_API_KEY_PATH }}" > $RUNNER_TEMP/apple-api-key.p8
+
+      - uses: ./.github/actions/setup-bun
+
+      - name: Azure login
+        if: runner.os == 'Windows'
+        uses: azure/login@v2
+        with:
+          client-id: ${{ env.AZURE_CLIENT_ID }}
+          tenant-id: ${{ env.AZURE_TENANT_ID }}
+          subscription-id: ${{ env.AZURE_SUBSCRIPTION_ID }}
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
+      - name: Cache apt packages
+        if: contains(matrix.settings.host, 'ubuntu')
+        uses: actions/cache@v4
+        with:
+          path: ~/apt-cache
+          key: ${{ runner.os }}-${{ matrix.settings.target }}-apt-${{ hashFiles('.github/workflows/publish.yml') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.settings.target }}-apt-
+
+      - name: install dependencies (ubuntu only)
+        if: contains(matrix.settings.host, 'ubuntu')
+        run: |
+          mkdir -p ~/apt-cache && chmod -R a+rw ~/apt-cache
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends -o dir::cache::archives="$HOME/apt-cache" libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+          sudo chmod -R a+rw ~/apt-cache
+
+      - name: install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.settings.target }}
+
+      - uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: packages/desktop/src-tauri
+          shared-key: ${{ matrix.settings.target }}
+
+      - name: Prepare
+        run: |
+          cd packages/desktop
+          bun ./scripts/prepare.ts
+        env:
+          OPENCODE_VERSION: ${{ needs.version.outputs.version }}
+          GITHUB_TOKEN: ${{ steps.committer.outputs.token }}
+          OPENCODE_CLI_ARTIFACT: ${{ (runner.os == 'Windows' && 'opencode-cli-windows') || 'opencode-cli' }}
+          RUST_TARGET: ${{ matrix.settings.target }}
+          GH_TOKEN: ${{ github.token }}
+          GITHUB_RUN_ID: ${{ github.run_id }}
+
+      - name: Resolve tauri portable SHA
+        if: contains(matrix.settings.host, 'ubuntu')
+        run: echo "TAURI_PORTABLE_SHA=$(git ls-remote https://github.com/tauri-apps/tauri.git refs/heads/feat/truly-portable-appimage | cut -f1)" >> "$GITHUB_ENV"
+
+      # Fixes AppImage build issues, can be removed when https://github.com/tauri-apps/tauri/pull/12491 is released
+      - name: Install tauri-cli from portable appimage branch
+        uses: taiki-e/cache-cargo-install-action@v3
+        if: contains(matrix.settings.host, 'ubuntu')
+        with:
+          tool: tauri-cli
+          git: https://github.com/tauri-apps/tauri
+          # branch: feat/truly-portable-appimage
+          rev: ${{ env.TAURI_PORTABLE_SHA }}
+
+      - name: Show tauri-cli version
+        if: contains(matrix.settings.host, 'ubuntu')
+        run: cargo tauri --version
 
       - name: Setup git committer
         id: committer
@@ -226,11 +342,48 @@ jobs:
           opencode-app-id: ${{ vars.OPENCODE_APP_ID }}
           opencode-app-secret: ${{ secrets.OPENCODE_APP_SECRET }}
 
-      - name: Upload latest.json to release
+      - name: Build and upload artifacts
+        uses: tauri-apps/tauri-action@390cbe447412ced1303d35abe75287949e43437a
+        timeout-minutes: 60
+        with:
+          projectPath: packages/desktop
+          uploadWorkflowArtifacts: true
+          tauriScript: ${{ (contains(matrix.settings.host, 'ubuntu') && 'cargo tauri') || '' }}
+          args: --target ${{ matrix.settings.target }} --config ${{ (github.ref_name == 'beta' && './src-tauri/tauri.beta.conf.json') || './src-tauri/tauri.prod.conf.json' }} --verbose
+          updaterJsonPreferNsis: true
+          releaseId: ${{ needs.version.outputs.release }}
+          tagName: ${{ needs.version.outputs.tag }}
+          releaseDraft: true
+          releaseAssetNamePattern: opencode-desktop-[platform]-[arch][ext]
+          repo: ${{ (github.ref_name == 'beta' && 'opencode-beta') || '' }}
+          releaseCommitish: ${{ github.sha }}
         env:
-          GH_TOKEN: ${{ steps.committer.outputs.token }}
+          GITHUB_TOKEN: ${{ steps.committer.outputs.token }}
+          TAURI_BUNDLER_NEW_APPIMAGE_FORMAT: true
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
+          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
+          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
+          APPLE_SIGNING_IDENTITY: ${{ env.CERT_ID }}
+          APPLE_API_ISSUER: ${{ secrets.APPLE_API_ISSUER }}
+          APPLE_API_KEY: ${{ secrets.APPLE_API_KEY }}
+          APPLE_API_KEY_PATH: ${{ runner.temp }}/apple-api-key.p8
+
+      - name: Verify signed Windows desktop artifacts
+        if: runner.os == 'Windows'
+        shell: pwsh
         run: |
-          gh release upload "v${{ needs.version.outputs.version }}" latest.json --clobber --repo "${{ needs.version.outputs.repo }}"
+          $files = @(
+            "${{ github.workspace }}\packages\desktop\src-tauri\sidecars\opencode-cli-${{ matrix.settings.target }}.exe"
+          )
+          $files += Get-ChildItem "${{ github.workspace }}\packages\desktop\src-tauri\target\${{ matrix.settings.target }}\release\bundle\nsis\*.exe" | Select-Object -ExpandProperty FullName
+
+          foreach ($file in $files) {
+            $sig = Get-AuthenticodeSignature $file
+            if ($sig.Status -ne "Valid") {
+              throw "Invalid signature for ${file}: $($sig.Status)"
+            }
+          }
 
   build-electron:
     needs:
@@ -392,7 +545,7 @@ jobs:
       - version
       - build-cli
       - sign-cli-windows
-      - upload-latest-json
+      - build-tauri
       - build-electron
     if: always() && !failure() && !cancelled()
     runs-on: blacksmith-4vcpu-ubuntu-2404