diff --git a/.gitea/workflows/releases.yml b/.gitea/workflows/releases.yml
index 975ebc7..fbde84a 100644
--- a/.gitea/workflows/releases.yml
+++ b/.gitea/workflows/releases.yml
@@ -1,4 +1,4 @@
-name: ESP-IDF Build & Release
+name: ESP32 Build & Release
 
 on:
   push:
@@ -9,44 +9,195 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    container:
-      image: espressif/idf:latest
-
     steps:
+      # ------------------------------------------------------------
+      # Checkout
+      # ------------------------------------------------------------
       - name: Checkout
         uses: actions/checkout@v4
 
+      # ------------------------------------------------------------
+      # System dependencies
+      # ------------------------------------------------------------
+      - name: Install system dependencies
+        shell: bash
+        run: |
+          sudo apt-get update
+
+          sudo apt-get install -y \
+            git \
+            wget \
+            flex \
+            bison \
+            gperf \
+            python3 \
+            python3-pip \
+            python3-venv \
+            cmake \
+            ninja-build \
+            ccache \
+            libffi-dev \
+            libssl-dev \
+            dfu-util
+
+      # ------------------------------------------------------------
+      # Cache ESP-IDF and Espressif tools
+      # ------------------------------------------------------------
+      - name: Cache ESP-IDF
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/esp/esp-idf
+            ~/.espressif
+          key: esp-idf-5.5-esp32-${{ runner.os }}
+          restore-keys: |
+            esp-idf-5.5-esp32-
+
+      # ------------------------------------------------------------
+      # Install ESP-IDF 5.5
+      # ------------------------------------------------------------
+      - name: Install ESP-IDF 5.5
+        shell: bash
+        run: |
+          mkdir -p "$HOME/esp"
+
+          if [ ! -f "$HOME/esp/esp-idf/export.sh" ]; then
+            echo "ESP-IDF not found in cache."
+            echo "Cloning ESP-IDF 5.5..."
+
+            git clone --recursive \
+              --branch v5.5 \
+              https://github.com/espressif/esp-idf.git \
+              "$HOME/esp/esp-idf"
+
+            cd "$HOME/esp/esp-idf"
+
+            ./install.sh esp32
+          else
+            echo "Using cached ESP-IDF."
+          fi
+
+      # ------------------------------------------------------------
+      # Verify ESP-IDF
+      # ------------------------------------------------------------
+      - name: Verify ESP-IDF
+        shell: bash
+        run: |
+          source "$HOME/esp/esp-idf/export.sh"
+
+          echo "ESP-IDF:"
+          idf.py --version
+
+      # ------------------------------------------------------------
+      # Build firmware
+      # ------------------------------------------------------------
       - name: Build firmware
         shell: bash
         run: |
-          . /opt/esp/idf/export.sh
+          source "$HOME/esp/esp-idf/export.sh"
 
           idf.py set-target esp32
           idf.py build
 
-      - name: Prepare release files
+      # ------------------------------------------------------------
+      # Create merged firmware image
+      # ------------------------------------------------------------
+      - name: Create merged firmware
+        shell: bash
+        run: |
+          source "$HOME/esp/esp-idf/export.sh"
+
+          idf.py merge-bin
+
+      # ------------------------------------------------------------
+      # Prepare release artifacts
+      # ------------------------------------------------------------
+      - name: Prepare release
         shell: bash
         run: |
           mkdir -p release
 
-          cp build/*.bin release/
-          cp build/bootloader/*.bin release/ 2>/dev/null || true
-          cp build/partition_table/*.bin release/ 2>/dev/null || true
+          echo "Build artifacts:"
+          find build -maxdepth 2 -type f \
+            \( -name "*.bin" -o -name "*.elf" -o -name "flasher_args.json" \) \
+            -print
 
-          echo "Release files:"
+          # Find merged binary
+          MERGED_BIN=$(find build -maxdepth 1 -type f -name "*.bin" | head -n 1)
+
+          if [ -z "$MERGED_BIN" ]; then
+            echo "ERROR: No merged .bin found"
+            exit 1
+          fi
+
+          echo "Using merged binary: $MERGED_BIN"
+
+          cp "$MERGED_BIN" release/firmware.bin
+
+          # ELF for debugging
+          find build -maxdepth 1 -type f -name "*.elf" \
+            -exec cp {} release/ \;
+
+          # Flash configuration
+          if [ -f build/flasher_args.json ]; then
+            cp build/flasher_args.json release/
+          fi
+
+          echo ""
+          echo "Release contents:"
           ls -lh release/
 
-      - name: Create release
+      # ------------------------------------------------------------
+      # Delete existing "latest" release
+      # ------------------------------------------------------------
+      - name: Delete existing latest release
+        shell: bash
+        env:
+          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          API="${{ github.server_url }}/api/v1"
+
+          echo "Removing existing latest release..."
+
+          curl -fsSL \
+            -X DELETE \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${API}/repos/${{ github.repository }}/releases/tags/latest" \
+            || true
+
+          # Delete the tag as well
+          curl -fsSL \
+            -X DELETE \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${API}/repos/${{ github.repository }}/tags/latest" \
+            || true
+
+      # ------------------------------------------------------------
+      # Create latest release
+      # ------------------------------------------------------------
+      - name: Create latest release
         uses: akkuman/gitea-release-action@v1
         with:
           server_url: ${{ github.server_url }}
           repository: ${{ github.repository }}
           token: ${{ secrets.GITHUB_TOKEN }}
-          tag_name: "build-${{ github.sha }}"
-          name: "ESP32 build ${{ github.sha }}"
-          body: |
-            Automated ESP-IDF firmware build.
 
-            Commit: ${{ github.sha }}
+          tag_name: latest
+          name: "Latest ESP32 Firmware"
+
+          body: |
+            Automatically built from the `main` branch.
+
+            Commit:
+            ${{ github.sha }}
+
+            ESP-IDF:
+            5.5
+
+            Target:
+            ESP32
+
+            This release is automatically replaced on every push to `main`.
+
           files: |
-            release/*.bin
+            release/*