diff --git a/.github/workflows/build_esp32_dev_firmware.yml b/.github/workflows/build_esp32_dev_firmware.yml
deleted file mode 100644
index c00640fa1..000000000
--- a/.github/workflows/build_esp32_dev_firmware.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-name: Build ESP32 Dev Firmware
-
-on:
-  push:
-    branches:
-      - esp32_dev
-    tags:
-    #   - '*.*.*'
-    paths:
-    - 'CHANGELOG_LATEST.md'
-  workflow_dispatch:
-    branches: [ esp32_dev ]
-
-jobs:
-        
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Version
-        id: fetch_version
-        run: |
-             version=`grep -E '^#define EMSESP_APP_VERSION' ./src/version.h | awk '{print $3}' | sed 's/"//g'`
-             echo "::set-output name=s::$version"
-
-      - name: Setup Python
-        uses: actions/setup-python@v1
-
-      - name: Install
-        run: |
-          python -m pip install --upgrade pip
-          pip install -U platformio
-          platformio upgrade
-          platformio update
-
-      - name: Build web
-        run: |
-          cd interface
-          npm install
-          npm run build
-
-      - name: Build images
-        run: |
-          platformio run -e esp32-ci
-          
-      - name: Delete
-        uses: dev-drprasad/delete-tag-and-release@v0.1.2
-        # if: startsWith(github.ref, 'refs/tags/')
-        with:
-          delete_release: true 
-          tag_name: esp32_dev
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Changelog
-        run: cat RELEASENOTES_DEV.md CHANGELOG_LATEST.md > BODY.txt 
-
-      - name: Release
-        uses: softprops/action-gh-release@v1
-        # if: startsWith(github.ref, 'refs/tags/')
-        with:
-          body_path: BODY.txt
-          name: ESP32 Development Build v${{steps.fetch_version.outputs.s}}
-          tag_name: esp32_dev
-          prerelease: true
-          files: |
-            ./build/firmware/*.*
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  
diff --git a/.github/workflows/pre_release.yml b/.github/workflows/pre_release.yml
new file mode 100644
index 000000000..b45a099f4
--- /dev/null
+++ b/.github/workflows/pre_release.yml
@@ -0,0 +1,59 @@
+name: "pre-release"
+
+on:
+  push:
+    branches:
+      - "dev"
+
+jobs:
+  pre-release:
+
+    name: "Automatic pre-release build"
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Checkout source code
+        uses: actions/checkout@v2
+
+      - name: Get build variables
+        id: build_info
+        run: |
+          version=`grep -E '^#define EMSESP_APP_VERSION' ./src/version.h | awk -F'"' '{print $2}'`
+          echo "::set-output name=version::$version"
+          platform=`grep -E '^#define EMSESP_PLATFORM' ./src/version.h | awk -F'"' '{print $2}'`
+          echo "::set-output name=platform::$platform"
+
+      - name: Compile locally
+        run: make
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+
+      - name: Install pio
+        run: |
+          python -m pip install --upgrade pip
+          pip install -U platformio
+          platformio upgrade
+          platformio update
+
+      - name: Build web
+        run: |
+          cd interface
+          npm install
+          npm run build
+
+      - name: Build firmware
+        run: |
+          platformio run -e ci
+
+      - name: Release
+        id: "automatic_releases"
+        uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          title: ${{steps.build_info.outputs.platform}} Development Build v${{steps.build_info.outputs.version}}
+          automatic_release_tag: "latest"
+          prerelease: true
+          files: |
+            CHANGELOG_DEV.md
diff --git a/.github/workflows/release_esp32_stable.yml b/.github/workflows/release_esp32_stable.yml
deleted file mode 100644
index 0e446e295..000000000
--- a/.github/workflows/release_esp32_stable.yml
+++ /dev/null
@@ -1,55 +0,0 @@
-name: Release Stable ESP32
-
-on:
-  workflow_dispatch:
-    branches: [ stable_esp32 ]
-
-jobs:
-        
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Version
-        id: fetch_version
-        run: |
-             version=`grep -E '^#define EMSESP_APP_VERSION' ./src/version.h | awk '{print $3}' | sed 's/"//g'`
-             echo "::set-output name=s::$version"
-
-      - name: Setup Python
-        uses: actions/setup-python@v1
-
-      - name: Install
-        run: |
-          python -m pip install --upgrade pip
-          pip install -U platformio
-          platformio upgrade
-          platformio update
-
-      - name: Build web
-        run: |
-          cd interface
-          npm install
-          npm run build
-
-      - name: Build images
-        run: |
-          platformio run -e esp32-ci
-          
-      - name: Changelog
-        run: cat RELEASENOTES.md CHANGELOG_LATEST.md > BODY.txt 
-
-      - name: Release
-        uses: softprops/action-gh-release@v1
-        with:
-          body_path: BODY.txt
-          name: EMS-ESP v${{steps.fetch_version.outputs.s}} (ESP32)
-          tag_name: v${{steps.fetch_version.outputs.s}}
-          prerelease: false
-          files: |
-            ./build/firmware/*.*
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  
\ No newline at end of file
diff --git a/.github/workflows/standalone_build.yml b/.github/workflows/standalone_build.yml
deleted file mode 100644
index 315963069..000000000
--- a/.github/workflows/standalone_build.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: Standalone Build
-
-on:
-  push:
-    branches: [ esp32_dev ]
-    paths:
-    - 'src/**'
-    
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      
-      - name: make clean
-        run: make clean
-      
-      - name: make
-        run: make
-      
\ No newline at end of file
diff --git a/.github/workflows/tagged_release.yml b/.github/workflows/tagged_release.yml
new file mode 100644
index 000000000..e8287d26e
--- /dev/null
+++ b/.github/workflows/tagged_release.yml
@@ -0,0 +1,56 @@
+name: "tagged-release"
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  tagged-release:
+
+    name: "Tagged Release"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v2
+
+      - name: Get build variables
+        id: build_info
+        run: |
+          version=`grep -E '^#define EMSESP_APP_VERSION' ./src/version.h | awk -F'"' '{print $2}'`
+          echo "::set-output name=version::$version"
+          platform=`grep -E '^#define EMSESP_PLATFORM' ./src/version.h | awk -F'"' '{print $2}'`
+          echo "::set-output name=platform::$platform"
+
+      - name: Compile locally
+        run: make
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+
+      - name: Install pio
+        run: |
+          python -m pip install --upgrade pip
+          pip install -U platformio
+          platformio upgrade
+          platformio update
+
+      - name: Build web
+        run: |
+          cd interface
+          npm install
+          npm run build
+
+      - name: Build firmware
+        run: |
+          platformio run -e ci
+
+      - name: Release
+        uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          prerelease: false
+          files: |
+            CHANGELOG.md
+            ./build/firmware/*.*
diff --git a/platformio.ini b/platformio.ini
index 882bdb97c..3a578d98c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -61,7 +61,7 @@ check_flags =
     clangtidy: --checks=-*,clang-analyzer-*,performance-*
 
 ; build for GitHub Actions CI
-[env:esp32-ci]
+[env:ci]
 extra_scripts = 
   scripts/rename_fw.py
 board = esp32dev
diff --git a/scripts/rename_fw.py b/scripts/rename_fw.py
index 17075b913..70f299989 100644
--- a/scripts/rename_fw.py
+++ b/scripts/rename_fw.py
@@ -1,16 +1,18 @@
-Import('env', "projenv")
+Import("env")
 import os
 import re
 import shutil
-import gzip
 
 OUTPUT_DIR = "build{}".format(os.path.sep)
 
 def bin_copy(source, target, env):
 
-    # get the EMS-ESP version
+    # get the build info
     bag = {}
-    exprs = [(re.compile(r'^#define EMSESP_APP_VERSION\s+"(\S+)"'), 'app_version')]
+    exprs = [
+    (re.compile(r'^#define EMSESP_APP_VERSION\s+"(\S+)"'), 'app_version'),
+    (re.compile(r'^#define EMSESP_PLATFORM\s+"(\S+)"'), 'platform'),
+    ]
     with open('./src/version.h', 'r') as f:
         for l in f.readlines():
             for expr, var in exprs:
@@ -18,33 +20,43 @@ def bin_copy(source, target, env):
                 if m and len(m.groups()) > 0:
                     bag[var] = m.group(1)
 
-    # esp8266 or esp32
-    platform = "esp" + env['PIOPLATFORM'].strip("espressif")
+    app_version = bag.get('app_version')
+    platform = bag.get("platform")
 
-    # if using the pio build directory, use str(target[0]).split(os.path.sep)[2]
-    variant = "EMS-ESP-" + bag.get('app_version').replace(".", "_") + "-" + platform
+    # print(env.Dump())
+    # my_flags = env.ParseFlags(env['BUILD_FLAGS'])
+    # defines = {k: v for (k, v) in my_flags.get("CPPDEFINES")}
+    # print(my_flags)
+    # print((my_flags.get("CPPDEFINES"))
+
+    # alternatively take platfrom from the pio target
+    # platform = str(target[0]).split(os.path.sep)[2]
+
+    print("app version: "+app_version)
+    print("platform: "+platform)
+
+    # convert . to _ so Windows doesn't complain
+    variant = "EMS-ESP-" +  app_version.replace(".", "_") + "-" + platform
     
-    # create string with location and file names based on variant
-    bin_file = "{}firmware{}{}.bin".format(OUTPUT_DIR, os.path.sep, variant)
-    gzip_file = "{}firmware{}{}.bin.gz".format(OUTPUT_DIR, os.path.sep, variant)
-
-    # check if firmware directory and target subdirectories (esp8266/esp32) exist and create if necessary
+    # check if output directories exist and create if necessary
     if not os.path.isdir(OUTPUT_DIR):
         os.mkdir(OUTPUT_DIR)
+
     for d in ['firmware']:
         if not os.path.isdir("{}{}".format(OUTPUT_DIR, d)):
             os.mkdir("{}{}".format(OUTPUT_DIR, d))
 
-    # copy firmware.bin to new name and in the build/firmware folder, delete if already exists
-    if os.path.isfile(bin_file): os.remove(bin_file)
+    # create string with location and file names based on variant
+    bin_file = "{}firmware{}{}.bin".format(OUTPUT_DIR, os.path.sep, variant)
+
+    # check if new target files exist and remove if necessary
+    for f in [bin_file]:
+        if os.path.isfile(f):
+            os.remove(f)
+
+    print("renaming file to "+bin_file)
+
+    # copy firmware.bin to firmware/<variant>.bin
     shutil.copy(str(target[0]), bin_file)
 
-    # create the gzip'd version
-    if os.path.isfile(gzip_file): os.remove(gzip_file)
-    with open(bin_file, "rb") as fp:
-         with gzip.open(gzip_file, "wb", compresslevel = 9) as f:
-             shutil.copyfileobj(fp, f)
-
-    print("Built firmwares: "+ bin_file + ", " + gzip_file)
-
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [bin_copy])
diff --git a/src/version.h b/src/version.h
index c266689bc..ae3f99ef3 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1,2 @@
-#define EMSESP_APP_VERSION "3.0.0b7"
+#define EMSESP_APP_VERSION "3.0.0"
+#define EMSESP_PLATFORM "ESP32"
\ No newline at end of file