diff --git a/.github/workflows/bump-version.yml b/.github/workflows/bump-version.yml
index a778843..b5297f7 100644
--- a/.github/workflows/bump-version.yml
+++ b/.github/workflows/bump-version.yml
@@ -15,45 +15,47 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-    - uses: actions/checkout@v4.1.1
-    - uses: actions/setup-python@v4.8.0
-      with:
-        python-version: '3.11'
-    - run: pip install -r script/requirements.txt
-    - run: script/bump-version.py ${{ github.event.inputs.version }}
-    - name: Write Beta changelog
-      run: |
-        cat > esphome-beta/CHANGELOG.md << 'EOF'
-        ## ${{ github.event.inputs.version }}
+      - uses: actions/checkout@v4.1.1
+      - uses: actions/setup-python@v4.8.0
+        with:
+          python-version: "3.11"
+      - run: pip install -r script/requirements.txt
+      - run: script/bump-version.py ${{ github.event.inputs.version }}
+      - name: Write Beta changelog
+        if: ${{ !contains(github.event.inputs.version, 'dev') }}
+        run: |
+          cat > esphome-beta/CHANGELOG.md << 'EOF'
+          ## ${{ github.event.inputs.version }}
 
-        ${{ github.event.inputs.content }}
-        EOF
-    - name: Write Stable changelog
-      if: ${{ !contains(github.event.inputs.version, 'b') }}
-      run: |
-        cat > esphome/CHANGELOG.md << 'EOF'
-        ## ${{ github.event.inputs.version }}
+          ${{ github.event.inputs.content }}
+          EOF
+      - name: Write Stable changelog
+        if: ${{ !contains(github.event.inputs.version, 'b') && !contains(github.event.inputs.version, 'dev')  }}
+        run: |
+          cat > esphome/CHANGELOG.md << 'EOF'
+          ## ${{ github.event.inputs.version }}
 
-        ${{ github.event.inputs.content }}
-        EOF
-    - name: Commit version bump
-      id: commit_version
-      run: |
-        git config user.name esphomebot
-        git config user.email esphome@nabucasa.com
-        git add .
-        git commit -m "Bump version to ${{ github.event.inputs.version }}"
-        git push
-        COMMIT=$(git rev-parse HEAD)
-        echo "::set-output name=commit_sha::${COMMIT}"
-    - name: Create a Release
-      uses: actions/create-release@v1.1.4
-      continue-on-error: true
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.event.inputs.version }}
-        release_name: ${{ github.event.inputs.version }}
-        body: ${{ github.event.inputs.content }}
-        prerelease: ${{ contains(github.event.inputs.version, 'b') }}
-        commitish: ${{ steps.commit_version.outputs.commit_sha }}
+          ${{ github.event.inputs.content }}
+          EOF
+      - name: Commit version bump
+        id: commit_version
+        run: |
+          git config user.name esphomebot
+          git config user.email esphome@nabucasa.com
+          git add .
+          git commit -m "Bump version to ${{ github.event.inputs.version }}"
+          git push
+          COMMIT=$(git rev-parse HEAD)
+          echo "::set-output name=commit_sha::${COMMIT}"
+      - name: Create a Release
+        uses: actions/create-release@v1.1.4
+        continue-on-error: true
+        if: ${{ !contains(github.event.inputs.version, 'dev') }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.event.inputs.version }}
+          release_name: ${{ github.event.inputs.version }}
+          body: ${{ github.event.inputs.content }}
+          prerelease: ${{ contains(github.event.inputs.version, 'b') }}
+          commitish: ${{ steps.commit_version.outputs.commit_sha }}
diff --git a/esphome-dev/CHANGELOG.md b/esphome-dev/CHANGELOG.md
index cce1854..56ce550 100644
--- a/esphome-dev/CHANGELOG.md
+++ b/esphome-dev/CHANGELOG.md
@@ -1 +1 @@
-See https://esphome.io/changelog/index.html
+See https://github.com/esphome/esphome/commits/dev
diff --git a/esphome-dev/Dockerfile b/esphome-dev/Dockerfile
deleted file mode 100644
index 066ebd0..0000000
--- a/esphome-dev/Dockerfile
+++ /dev/null
@@ -1,10 +0,0 @@
-ARG BUILD_FROM=esphome/esphome-hassio-amd64:dev
-FROM ${BUILD_FROM}
-
-# Copy root filesystem
-COPY rootfs /
-
-# Labels
-LABEL \
-    io.hass.type="addon" \
-    io.hass.version=dev
diff --git a/esphome-dev/build.yaml b/esphome-dev/build.yaml
deleted file mode 100644
index 114bb62..0000000
--- a/esphome-dev/build.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
----
-build_from:
-  aarch64: ghcr.io/esphome/esphome-hassio:dev
-  amd64: ghcr.io/esphome/esphome-hassio:dev
-  armv7: ghcr.io/esphome/esphome-hassio:dev
diff --git a/esphome-dev/config.yaml b/esphome-dev/config.yaml
index 17b49ea..6dee9f6 100644
--- a/esphome-dev/config.yaml
+++ b/esphome-dev/config.yaml
@@ -33,9 +33,10 @@ backup_exclude:
 init: false
 startup: services
 name: ESPHome (dev)
-version: dev
+version: 2024.5.0-dev20240411
 slug: esphome-dev
 description: Development version of ESPHome add-on
+image: ghcr.io/esphome/esphome-hassio
 stage: experimental
 advanced: true
 options:
diff --git a/esphome-dev/images/screenshot.png b/esphome-dev/images/screenshot.png
index 73f2f37..20e8c00 100644
Binary files a/esphome-dev/images/screenshot.png and b/esphome-dev/images/screenshot.png differ
diff --git a/esphome-dev/rootfs/etc/cont-init.d/30-esphome-fork.sh b/esphome-dev/rootfs/etc/cont-init.d/30-esphome-fork.sh
deleted file mode 100755
index e426f48..0000000
--- a/esphome-dev/rootfs/etc/cont-init.d/30-esphome-fork.sh
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/usr/bin/with-contenv bashio
-# ==============================================================================
-# Community Hass.io Add-ons: ESPHome
-# This files installs the user ESPHome fork if specified
-# The fork must be up to date with the latest ESPHome dev branch
-# and have no conflicts
-# ==============================================================================
-
-declare esphome_fork
-
-if bashio::config.has_value 'esphome_fork'; then
-    esphome_fork=$(bashio::config 'esphome_fork')
-    if [[ $esphome_fork == *":"* ]]; then
-      IFS=':' read -r -a array <<< "$esphome_fork"
-      username=${array[0]}
-      ref=${array[1]}
-    else
-      username="esphome"
-      ref=$esphome_fork
-    fi
-    full_url="https://github.com/${username}/esphome/archive/${ref}.tar.gz"
-    bashio::log.info "Checking forked ESPHome"
-    dev_version=$(python3 -c "from esphome.const import __version__; print(__version__)")
-    bashio::log.info "Downloading ESPHome from fork '${esphome_fork}' (${full_url})..."
-    curl -L -o /tmp/esphome.tar.gz "${full_url}" -qq \
-      || bashio::exit.nok "Failed downloading ESPHome fork."
-    bashio::log.info "Installing ESPHome from fork '${esphome_fork}' (${full_url})..."
-    rm -rf /esphome || bashio::exit.nok "Failed to remove ESPHome."
-    mkdir /esphome
-    tar -zxf /tmp/esphome.tar.gz -C /esphome --strip-components=1 \
-      || bashio::exit.nok "Failed installing ESPHome from fork."
-    pip install -U -e /esphome || bashio::exit.nok "Failed installing ESPHome from fork."
-    rm -f /tmp/esphome.tar.gz
-    fork_version=$(python3 -c "from esphome.const import __version__; print(__version__)")
-
-    if [[ "$fork_version" != "$dev_version" ]]; then
-      bashio::log.error "############################"
-      bashio::log.error "Uninstalled fork as version does not match"
-      bashio::log.error "Update (or ask the author to update) the branch"
-      bashio::log.error "This is important as the dev addon and the dev ESPHome"
-      bashio::log.error "branch can have changes that are not compatible with old forks"
-      bashio::log.error "and get reported as bugs which we cannot solve easily."
-      bashio::log.error "############################"
-      bashio::exit.nok
-    fi
-    bashio::log.info "Installed ESPHome from fork '${esphome_fork}' (${full_url})..."
-fi
diff --git a/script/bump-version.py b/script/bump-version.py
index 4b568f0..681057b 100755
--- a/script/bump-version.py
+++ b/script/bump-version.py
@@ -2,7 +2,6 @@
 
 import argparse
 import re
-import subprocess
 from dataclasses import dataclass
 import sys
 import os
@@ -17,72 +16,71 @@ class Version:
     minor: int
     patch: int
     beta: int = 0
-    dev: bool = False
+    dev: str = ""
 
     def __str__(self):
-        return f'{self.major}.{self.minor}.{self.full_patch}'
+        return f"{self.major}.{self.minor}.{self.full_patch}"
 
     @property
     def full_patch(self):
-        res = f'{self.patch}'
+        res = f"{self.patch}"
         if self.beta > 0:
-            res += f'b{self.beta}'
+            res += f"b{self.beta}"
         if self.dev:
-            res += '-dev'
+            res += f"-dev{self.dev}"
         return res
 
     @classmethod
     def parse(cls, value):
-        match = re.match(r'(\d+).(\d+).(\d+)(b\d+)?(-dev)?', value)
+        match = re.match(r"(\d+).(\d+).(\d+)(b\d+)?(-dev\d+)?", value)
         assert match is not None
         major = int(match[1])
         minor = int(match[2])
         patch = int(match[3])
         beta = int(match[4][1:]) if match[4] else 0
-        dev = bool(match[5])
-        return Version(
-            major=major, minor=minor, patch=patch,
-            beta=beta, dev=dev
-        )
+        dev = str(match[5][4:]) if match[5] else ""
+        return Version(major=major, minor=minor, patch=patch, beta=beta, dev=dev)
 
 
-def sub(path, pattern, repl, expected_count=1):
-    with open(path) as fh:
+def _sub(path, pattern, repl, expected_count=1):
+    with open(path, encoding="utf-8") as fh:
         content = fh.read()
-    content, count = re.subn(pattern, repl, content, flags=re.MULTILINE)
+    content, count = re.subn(pattern, repl, content, flags=re.NOFLAG)
     if expected_count is not None:
         assert count == expected_count, f"Pattern {pattern} replacement failed!"
-    with open(path, "wt") as fh:
+    with open(path, "wt", encoding="utf-8") as fh:
         fh.write(content)
 
 
-def write_version(target: str, version: Version):
-    #  version: '1.14.5'  # BETA
-    #  version: '1.14.5'  # STABLE
-    sub(
-        'template/addon_config.yaml',
-        r"  version: '[^']+'  # {}".format(target.upper()),
-        f"  version: '{version}'  # {target.upper()}"
+def _write_version(target: str, version: Version):
+    #  version: "2024.5.0-dev20240412"  # DEV
+    #  version: "1.14.5"  # BETA
+    #  version: "1.14.5"  # STABLE
+    _sub(
+        "template/addon_config.yaml",
+        f'  version: "[^"]+"  # {target.upper()}',
+        f'  version: "{version}"  # {target.upper()}',
     )
 
 
 def main():
     parser = argparse.ArgumentParser()
-    parser.add_argument('new_version', type=str)
+    parser.add_argument("new_version", type=str)
     args = parser.parse_args()
 
     version = Version.parse(args.new_version)
-    assert not version.dev
 
     print(f"Bumping to {version}")
-    if version.beta:
-        write_version('beta', version)
-        generate.main(['beta'])
+    if version.dev:
+        _write_version("dev", version)
+        generate.main(["dev"])
+    elif version.beta:
+        _write_version("beta", version)
+        generate.main(["beta"])
     else:
-        assert not version.beta
-        write_version('stable', version)
-        write_version('beta', version)
-        generate.main(['stable', 'beta'])
+        _write_version("stable", version)
+        _write_version("beta", version)
+        generate.main(["stable", "beta"])
     return 0
 
 
diff --git a/script/generate.py b/script/generate.py
index 45d988c..0481582 100755
--- a/script/generate.py
+++ b/script/generate.py
@@ -1,13 +1,14 @@
 #!/usr/bin/env python3
 
 import argparse
-import yaml
 from pathlib import Path
 from enum import Enum
 from shutil import copyfile
 import sys
 import os
 
+import yaml
+
 
 class Channel(Enum):
     stable = "stable"
@@ -25,17 +26,16 @@ def main(args):
     root = Path(__file__).parent.parent
     templ = root / "template"
 
-    with open(templ / "addon_config.yaml", "r") as f:
+    with open(templ / "addon_config.yaml", "r", encoding="utf-8") as f:
         config = yaml.safe_load(f)
 
     copyf = config["copy_files"]
 
     for channel in args.channels:
         conf = config[f"esphome-{channel.value}"]
-        base_image = conf.pop("base_image", None)
         dir_ = root / conf.pop("directory")
         path = dir_ / "config.yaml"
-        with open(path, "w") as f:
+        with open(path, "w", encoding="utf-8") as f:
             yaml.dump(conf, f, indent=2, sort_keys=False, explicit_start=True)
 
         for file_ in copyf:
@@ -46,19 +46,9 @@ def main(args):
                 copyfile(templ / file_, dir_ / file_)
 
         path = dir_ / "FILES ARE GENERATED DO NOT EDIT"
-        with open(path, "w") as f:
+        with open(path, "w", encoding="utf-8") as f:
             f.write("Any edits should be made to the files in the 'template' directory")
 
-        if channel == Channel.dev:
-            path = dir_ / "build.yaml"
-            build_conf = {
-                "build_from": {
-                    arch: base_image for arch in conf["arch"]
-                }
-            }
-            with open(path, "w") as f:
-                yaml.dump(build_conf, f, indent=2, sort_keys=True, explicit_start=True)
-
 
 if __name__ == "__main__":
     main(sys.argv[1:])
diff --git a/template/addon_config.yaml b/template/addon_config.yaml
index a8d7604..bc893da 100644
--- a/template/addon_config.yaml
+++ b/template/addon_config.yaml
@@ -16,11 +16,11 @@ base: &base
   # Ingress settings
   ingress: true
   ingress_port: 0
-  panel_icon: 'mdi:chip'
+  panel_icon: "mdi:chip"
   # Automatically add UART devices to add-on
   uart: true
   ports:
-    '6052/tcp': null
+    "6052/tcp": null
   map:
     - ssl:ro
     - config:rw
@@ -46,10 +46,11 @@ esphome-dev:
   <<: *base
   directory: esphome-dev
   name: ESPHome (dev)
-  version: 'dev'  # DEV
+  version: "2024.5.0-dev20240411"  # DEV
   slug: esphome-dev
   description: "Development version of ESPHome add-on"
   url: https://next.esphome.io/
+  image: ghcr.io/esphome/esphome-hassio
   stage: experimental
   advanced: true
   schema:
@@ -62,15 +63,14 @@ esphome-dev:
     certfile: str?
     keyfile: str?
     leave_front_door_open: bool?
-  base_image: ghcr.io/esphome/esphome-hassio:dev
   options:
-      home_assistant_dashboard_integration: false
+    home_assistant_dashboard_integration: false
 
 esphome-beta:
   <<: *base
   directory: esphome-beta
   name: ESPHome (beta)
-  version: '2024.4.0'  # BETA
+  version: "2024.4.0"  # BETA
   slug: esphome-beta
   description: "Beta version of ESPHome add-on"
   url: https://beta.esphome.io/
@@ -78,13 +78,13 @@ esphome-beta:
   stage: experimental
   advanced: true
   options:
-      home_assistant_dashboard_integration: false
+    home_assistant_dashboard_integration: false
 
 esphome-stable:
   <<: *base
   directory: esphome
   name: ESPHome
-  version: '2024.4.0'  # STABLE
+  version: "2024.4.0"  # STABLE
   slug: esphome
   description: "ESPHome add-on for intelligently managing all your ESP8266/ESP32 devices"
   image: ghcr.io/esphome/esphome-hassio