diff --git a/.github/workflows/release-channels.yml b/.github/workflows/release-channels.yml
index 5a0ae01..87e27ea 100644
--- a/.github/workflows/release-channels.yml
+++ b/.github/workflows/release-channels.yml
@@ -7,7 +7,7 @@ on:
     types: [published]
 
 jobs:
-  latest-build:
+  dev-build:
     if: github.ref == 'refs/heads/develop'
     runs-on: ubuntu-latest
     steps:
@@ -29,12 +29,12 @@ jobs:
         run: |
           ./scripts/testing/run-tests.zsh
 
-      - name: Update Homebrew Latest Channel
+      - name: Update Homebrew Dev Channel
         env:
           HOMEBREW_TOKEN: ${{ secrets.HOMEBREW_TOKEN }}
         run: |
-          # Update goprox@latest formula
-          ./scripts/release/update-homebrew-channel.zsh latest
+          # Update goprox@dev formula
+          ./scripts/release/update-homebrew-channel.zsh dev
 
   beta-release:
     if: startsWith(github.ref, 'refs/heads/release/')
@@ -97,11 +97,11 @@ jobs:
   channel-validation:
     if: always()
     runs-on: ubuntu-latest
-    needs: [latest-build, beta-release, official-release]
+    needs: [dev-build, beta-release, official-release]
     steps:
       - name: Validate Channel Updates
         run: |
           echo "Channel update validation completed"
-          echo "Latest build: ${{ needs.latest-build.result }}"
+          echo "Dev build: ${{ needs.dev-build.result }}"
           echo "Beta release: ${{ needs.beta-release.result }}"
           echo "Official release: ${{ needs.official-release.result }}"
diff --git a/docs/feature-planning/issue-20-git-flow-model/GIT_FLOW_IMPLEMENTATION_PLAN.md b/docs/feature-planning/issue-20-git-flow-model/GIT_FLOW_IMPLEMENTATION_PLAN.md
index d363ed8..e4233ca 100644
--- a/docs/feature-planning/issue-20-git-flow-model/GIT_FLOW_IMPLEMENTATION_PLAN.md
+++ b/docs/feature-planning/issue-20-git-flow-model/GIT_FLOW_IMPLEMENTATION_PLAN.md
@@ -11,11 +11,11 @@ This plan provides a focused approach to implementing git-flow for the GoProX pr
 
 ### Release Channels Overview
 
-**1. Latest Build Channel (develop branch)**
+**1. Dev Build Channel (develop branch)**
 - **Purpose**: Continuous integration builds for development testing
 - **Source**: `develop` branch
 - **Audience**: Developers, early adopters, testing
-- **Installation**: `brew install fxstein/tap/goprox@latest`
+- **Installation**: `brew install fxstein/tap/goprox@dev`
 - **Update Frequency**: On every develop branch push
 - **Stability**: Development quality, may contain bugs
 
@@ -73,9 +73,9 @@ class GoproxBeta < Formula
   end
 end
 
-# Formula/goprox@latest.rb - Latest build channel
-class GoproxLatest < Formula
-  desc "GoPro media management tool (latest build)"
+# Formula/goprox@dev.rb - Dev build channel
+class GoproxDev < Formula
+  desc "GoPro media management tool (development build)"
   homepage "https://github.com/fxstein/GoProX"
   version "01.11.00-dev.$(date +%Y%m%d)"
   url "https://github.com/fxstein/GoProX/archive/develop.tar.gz"
@@ -106,17 +106,17 @@ on:
     types: [published]
 
 jobs:
-  latest-build:
+  dev-build:
     if: github.ref == 'refs/heads/develop'
     runs-on: ubuntu-latest
     steps:
-      - name: Build Latest Version
-      - name: Update Homebrew Latest Channel
+      - name: Build Dev Version
+      - name: Update Homebrew Dev Channel
         env:
           HOMEBREW_TOKEN: ${{ secrets.HOMEBREW_TOKEN }}
         run: |
-          # Update goprox@latest formula
-          ./scripts/release/update-homebrew-channel.zsh latest
+          # Update goprox@dev formula
+          ./scripts/release/update-homebrew-channel.zsh dev
 
   beta-release:
     if: startsWith(github.ref, 'refs/heads/release/')
@@ -151,7 +151,7 @@ jobs:
 # scripts/release/update-homebrew-channel.zsh
 
 # Update Homebrew formula for specific channel
-# Usage: ./update-homebrew-channel.zsh [latest|beta|official]
+# Usage: ./update-homebrew-channel.zsh [dev|beta|official]
 
 local channel="$1"
 local version=""
@@ -159,7 +159,7 @@ local url=""
 local sha256=""
 
 case $channel in
-  latest)
+  dev)
     version="$(date +%Y%m%d)-dev"
     url="https://github.com/fxstein/GoProX/archive/develop.tar.gz"
     ;;
@@ -172,7 +172,7 @@ case $channel in
     url="https://github.com/fxstein/GoProX/archive/v${version}.tar.gz"
     ;;
   *)
-    echo "Error: Invalid channel. Use: latest, beta, or official"
+    echo "Error: Invalid channel. Use: dev, beta, or official"
     exit 1
     ;;
 esac
@@ -274,7 +274,7 @@ _update_homebrew_formula "$channel" "$version" "$url" "$sha256"
 
 **Multi-Channel Implementation Steps:**
 1. **Homebrew Tap Enhancement**
-   - Create additional formula files for beta and latest channels
+   - Create additional formula files for beta and dev channels
    - Set up channel-specific versioning and naming conventions
    - Configure channel-specific installation paths and dependencies
 
@@ -401,7 +401,7 @@ on:
 - [ ] First successful release using git-flow
 
 ### Multi-Channel Release Criteria
-- [ ] Three Homebrew channels operational (latest, beta, official)
+- [ ] Three Homebrew channels operational (dev, beta, official)
 - [ ] Automated formula updates for all channels
 - [ ] Channel-specific versioning and naming conventions
 - [ ] User documentation for channel selection and installation
@@ -444,7 +444,7 @@ brew install fxstein/tap/goprox@beta
 **For Developers (Latest Builds):**
 ```zsh
 # Install latest development build
-brew install fxstein/tap/goprox@latest
+brew install fxstein/tap/goprox@dev
 ```
 - **Use Case**: Development testing, early adopters, debugging
 - **Stability**: Development quality - may contain bugs
@@ -459,12 +459,12 @@ brew install fxstein/tap/goprox@latest
 brew uninstall fxstein/tap/goprox
 brew install fxstein/tap/goprox@beta
 
-# Switch from beta to latest
+# Switch from beta to dev
 brew uninstall fxstein/tap/goprox@beta
-brew install fxstein/tap/goprox@latest
+brew install fxstein/tap/goprox@dev
 
-# Downgrade from latest to official
-brew uninstall fxstein/tap/goprox@latest
+# Downgrade from dev to official
+brew uninstall fxstein/tap/goprox@dev
 brew install fxstein/tap/goprox
 ```
 
@@ -482,7 +482,7 @@ brew info fxstein/tap/goprox@beta
 
 ### Channel-Specific Features
 
-**Latest Build Channel:**
+**Dev Build Channel:**
 - Access to cutting-edge features
 - Development debugging information
 - Experimental functionality
diff --git a/docs/git-flow/GIT_FLOW_GUIDE.md b/docs/git-flow/GIT_FLOW_GUIDE.md
index 7f97647..c97abb7 100644
--- a/docs/git-flow/GIT_FLOW_GUIDE.md
+++ b/docs/git-flow/GIT_FLOW_GUIDE.md
@@ -150,8 +150,8 @@ git push origin --delete hotfix/critical-fix
 
 ### Release Channels
 
-**1. Latest Build Channel (develop branch):**
-- **Installation**: `brew install fxstein/tap/goprox@latest`
+**1. Dev Build Channel (develop branch):**
+- **Installation**: `brew install fxstein/tap/goprox@dev`
 - **Source**: `develop` branch
 - **Update Frequency**: On every develop push
 - **Audience**: Developers, early adopters
@@ -179,12 +179,12 @@ git push origin --delete hotfix/critical-fix
 brew uninstall fxstein/tap/goprox
 brew install fxstein/tap/goprox@beta
 
-# Switch from beta to latest
+# Switch from beta to dev
 brew uninstall fxstein/tap/goprox@beta
-brew install fxstein/tap/goprox@latest
+brew install fxstein/tap/goprox@dev
 
-# Downgrade from latest to official
-brew uninstall fxstein/tap/goprox@latest
+# Downgrade from dev to official
+brew uninstall fxstein/tap/goprox@dev
 brew install fxstein/tap/goprox
 ```
 
diff --git a/goprox b/goprox
index e402df3..72f2c08 100755
--- a/goprox
+++ b/goprox
@@ -34,7 +34,7 @@ fi
 __author__='Oliver Ratzesberger <https://github.com/fxstein>'
 __copyright__='Copyright (C) 2021-2025 Oliver Ratzesberger'
 __license__='MIT'
-__version__='01.12.1-dev'
+__version__='01.13.00'
 __github__='https://github.com/fxstein/GoProX'
 __this__=$(basename $0)
 
diff --git a/scripts/release/test-homebrew-channels.zsh b/scripts/release/test-homebrew-channels.zsh
new file mode 100755
index 0000000..0eeb275
--- /dev/null
+++ b/scripts/release/test-homebrew-channels.zsh
@@ -0,0 +1,294 @@
+#!/bin/zsh
+
+# Homebrew Multi-Channel Test Script
+# Tests all Homebrew channels to ensure they work correctly
+# Usage: ./test-homebrew-channels.zsh [--dry-run]
+
+# Source logger
+SCRIPT_DIR="${0:A:h}"
+source "$SCRIPT_DIR/../../scripts/core/logger.zsh"
+
+# Configuration
+DRY_RUN=${DRY_RUN:-false}
+TEST_CHANNELS=("dev" "beta" "official")
+TEMP_DIR=$(mktemp -d)
+
+# Function to display help
+show_help() {
+    echo "Homebrew Multi-Channel Test Script"
+    echo ""
+    echo "Usage: $0 [--dry-run]"
+    echo ""
+    echo "Options:"
+    echo "  --dry-run    - Test without making actual changes"
+    echo "  --help, -h   - Show this help message"
+    echo ""
+    echo "This script tests all Homebrew channels to ensure they work correctly."
+    echo "It validates formula generation, URL accessibility, and SHA256 calculation."
+    echo ""
+}
+
+# Parse command line arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --dry-run)
+            DRY_RUN=true
+            shift
+            ;;
+        --help|-h)
+            show_help
+            exit 0
+            ;;
+        *)
+            log_error "Unknown option: $1"
+            show_help
+            exit 1
+            ;;
+    esac
+done
+
+log_info "Starting Homebrew multi-channel test (DRY_RUN: $DRY_RUN)"
+
+# Function to test a single channel
+test_channel() {
+    local channel="$1"
+    local version=""
+    local url=""
+    local formula_name=""
+    
+    log_info "Testing channel: $channel"
+    
+    case $channel in
+        dev)
+            version="$(date +%Y%m%d)-dev"
+            url="https://codeload.github.com/fxstein/GoProX/tar.gz/develop"
+            formula_name="goprox@dev"
+            ;;
+        beta)
+            version="$(git describe --tags --abbrev=0)-beta.$(date +%Y%m%d)"
+            url="https://codeload.github.com/fxstein/GoProX/tar.gz/$(git rev-parse HEAD)"
+            formula_name="goprox@beta"
+            ;;
+        official)
+            version="$(git describe --tags --abbrev=0)"
+            # Remove leading 'v' if present for the URL
+            tag="${version#v}"
+            url="https://codeload.github.com/fxstein/GoProX/tar.gz/v${tag}"
+            formula_name="goprox"
+            ;;
+    esac
+    
+    log_info "  Version: $version"
+    log_info "  URL: $url"
+    log_info "  Formula: $formula_name"
+    
+    # Test URL accessibility
+    log_info "  Testing URL accessibility..."
+    if curl -s --head "$url" | head -n 1 | grep "HTTP/.* 200" > /dev/null; then
+        log_success "  ✅ URL is accessible"
+    else
+        log_error "  ❌ URL is not accessible: $url"
+        return 1
+    fi
+    
+    # Test SHA256 calculation
+    log_info "  Testing SHA256 calculation..."
+    local sha256=$(curl -sL "$url" | sha256sum | cut -d' ' -f1)
+    if [[ -n "$sha256" && ${#sha256} -eq 64 ]]; then
+        log_success "  ✅ SHA256 calculated successfully: ${sha256:0:8}..."
+    else
+        log_error "  ❌ SHA256 calculation failed"
+        return 1
+    fi
+    
+    # Test formula generation
+    log_info "  Testing formula generation..."
+    local formula_file="$TEMP_DIR/${formula_name}.rb"
+    
+    case $channel in
+        dev)
+            cat > "$formula_file" << EOF
+class GoproxDev < Formula
+  desc "GoPro media management tool (dev build)"
+  homepage "https://github.com/fxstein/GoProX"
+  version "$version"
+  url "$url"
+  sha256 "$sha256"
+  
+  depends_on "zsh"
+  depends_on "exiftool"
+  depends_on "jq"
+  
+  def install
+    bin.install "goprox"
+    man1.install "man/goprox.1"
+  end
+  
+  test do
+    system "#{bin}/goprox", "--version"
+  end
+end
+EOF
+            ;;
+        beta)
+            cat > "$formula_file" << EOF
+class GoproxBeta < Formula
+  desc "GoPro media management tool (beta)"
+  homepage "https://github.com/fxstein/GoProX"
+  version "$version"
+  url "$url"
+  sha256 "$sha256"
+  
+  depends_on "zsh"
+  depends_on "exiftool"
+  depends_on "jq"
+  
+  def install
+    bin.install "goprox"
+    man1.install "man/goprox.1"
+  end
+  
+  test do
+    system "#{bin}/goprox", "--version"
+  end
+end
+EOF
+            ;;
+        official)
+            cat > "$formula_file" << EOF
+class Goprox < Formula
+  desc "GoPro media management tool"
+  homepage "https://github.com/fxstein/GoProX"
+  version "$version"
+  url "$url"
+  sha256 "$sha256"
+  
+  depends_on "zsh"
+  depends_on "exiftool"
+  depends_on "jq"
+  
+  def install
+    bin.install "goprox"
+    man1.install "man/goprox.1"
+  end
+  
+  test do
+    system "#{bin}/goprox", "--version"
+  end
+end
+EOF
+            ;;
+    esac
+    
+    if [[ -f "$formula_file" ]]; then
+        log_success "  ✅ Formula generated successfully"
+        
+        # Test formula syntax
+        if ruby -c "$formula_file" > /dev/null 2>&1; then
+            log_success "  ✅ Formula syntax is valid"
+        else
+            log_error "  ❌ Formula syntax is invalid"
+            return 1
+        fi
+    else
+        log_error "  ❌ Formula generation failed"
+        return 1
+    fi
+    
+    log_success "Channel $channel test completed successfully"
+    return 0
+}
+
+# Function to test channel switching
+test_channel_switching() {
+    log_info "Testing channel switching scenarios..."
+    
+    local scenarios=(
+        "official-to-beta"
+        "beta-to-dev"
+        "dev-to-official"
+        "official-to-dev"
+    )
+    
+    for scenario in "${scenarios[@]}"; do
+        log_info "  Testing scenario: $scenario"
+        
+        case $scenario in
+            "official-to-beta")
+                echo "brew uninstall fxstein/tap/goprox"
+                echo "brew install fxstein/tap/goprox@beta"
+                ;;
+            "beta-to-dev")
+                echo "brew uninstall fxstein/tap/goprox@beta"
+                echo "brew install fxstein/tap/goprox@dev"
+                ;;
+            "dev-to-official")
+                echo "brew uninstall fxstein/tap/goprox@dev"
+                echo "brew install fxstein/tap/goprox"
+                ;;
+            "official-to-dev")
+                echo "brew uninstall fxstein/tap/goprox"
+                echo "brew install fxstein/tap/goprox@dev"
+                ;;
+        esac
+        
+        log_success "  ✅ Scenario $scenario commands generated"
+    done
+}
+
+# Main test execution
+main() {
+    log_info "Starting comprehensive Homebrew multi-channel test"
+    
+    local failed_channels=()
+    local successful_channels=()
+    
+    # Test each channel
+    for channel in "${TEST_CHANNELS[@]}"; do
+        if test_channel "$channel"; then
+            successful_channels+=("$channel")
+        else
+            failed_channels+=("$channel")
+        fi
+        echo ""
+    done
+    
+    # Test channel switching
+    test_channel_switching
+    
+    # Generate test report
+    echo ""
+    log_info "=== Test Report ==="
+    log_info "Successful channels: ${successful_channels[*]}"
+    log_info "Failed channels: ${failed_channels[*]}"
+    
+    if [[ ${#failed_channels[@]} -eq 0 ]]; then
+        log_success "✅ All channels tested successfully!"
+        echo ""
+        echo "🎉 Multi-channel Homebrew integration is working correctly!"
+        echo "📦 Channels available:"
+        echo "  • Official: brew install fxstein/tap/goprox"
+        echo "  • Beta: brew install fxstein/tap/goprox@beta"
+        echo "  • Dev: brew install fxstein/tap/goprox@dev"
+        echo ""
+        echo "🔄 Channel switching commands:"
+        test_channel_switching
+    else
+        log_error "❌ Some channels failed testing: ${failed_channels[*]}"
+        exit 1
+    fi
+}
+
+# Cleanup function
+cleanup() {
+    if [[ -d "$TEMP_DIR" ]]; then
+        rm -rf "$TEMP_DIR"
+        log_info "Cleaned up temporary directory: $TEMP_DIR"
+    fi
+}
+
+# Set up cleanup trap
+trap cleanup EXIT
+
+# Run main function
+main "$@" 
\ No newline at end of file
diff --git a/scripts/release/update-homebrew-channel.zsh b/scripts/release/update-homebrew-channel.zsh
index fc094b9..b01607a 100755
--- a/scripts/release/update-homebrew-channel.zsh
+++ b/scripts/release/update-homebrew-channel.zsh
@@ -2,13 +2,38 @@
 
 # Homebrew Multi-Channel Update Script
 # Updates Homebrew formula for specific release channel
-# Usage: ./update-homebrew-channel.zsh [latest|beta|official]
+# Usage: ./update-homebrew-channel.zsh [dev|beta|official]
 
 # Source logger
-source "$(dirname "$0")/../../scripts/core/logger.zsh"
-
-# Initialize logger
-init_logger "homebrew-channel-update" "info"
+SCRIPT_DIR="${0:A:h}"
+source "$SCRIPT_DIR/../../scripts/core/logger.zsh"
+
+# Function to display help
+show_help() {
+    echo "Homebrew Multi-Channel Update Script"
+    echo ""
+    echo "Usage: $0 [dev|beta|official]"
+    echo ""
+    echo "Channels:"
+    echo "  dev      - Update goprox@dev formula (develop branch)"
+    echo "  beta     - Update goprox@beta formula (release branches)"
+    echo "  official - Update goprox formula (main branch releases)"
+    echo ""
+    echo "Environment Variables:"
+    echo "  HOMEBREW_TOKEN - GitHub Personal Access Token with 'repo' scope"
+    echo ""
+    echo "Examples:"
+    echo "  $0 dev       # Update dev build channel"
+    echo "  $0 beta      # Update beta channel"
+    echo "  $0 official  # Update official channel"
+    echo ""
+}
+
+# Check for help flag
+if [[ "$1" == "--help" || "$1" == "-h" ]]; then
+    show_help
+    exit 0
+fi
 
 log_info "Starting Homebrew channel update for channel: $1"
 
@@ -16,18 +41,18 @@ log_info "Starting Homebrew channel update for channel: $1"
 local channel="$1"
 if [[ -z "$channel" ]]; then
     log_error "Error: Channel parameter required"
-    echo "Usage: $0 [latest|beta|official]"
+    show_help
     exit 1
 fi
 
 # Validate channel value
 case $channel in
-    latest|beta|official)
+    dev|beta|official)
         log_info "Valid channel specified: $channel"
         ;;
     *)
-        log_error "Error: Invalid channel '$channel'. Use: latest, beta, or official"
-        echo "Usage: $0 [latest|beta|official]"
+        log_error "Error: Invalid channel '$channel'. Use: dev, beta, or official"
+        show_help
         exit 1
         ;;
 esac
@@ -46,12 +71,12 @@ local formula_name=""
 local formula_file=""
 
 case $channel in
-    latest)
+    dev)
         version="$(date +%Y%m%d)-dev"
         url="https://github.com/fxstein/GoProX/archive/develop.tar.gz"
-        formula_name="goprox@latest"
-        formula_file="Formula/goprox@latest.rb"
-        log_info "Latest build channel - version: $version"
+        formula_name="goprox@dev"
+        formula_file="Formula/goprox@dev.rb"
+        log_info "Dev build channel - version: $version"
         ;;
     beta)
         version="$(git describe --tags --abbrev=0)-beta.$(date +%Y%m%d)"
@@ -93,10 +118,10 @@ cd homebrew-fxstein
 log_info "Updating formula file: $formula_file"
 
 case $channel in
-    latest)
+    dev)
         cat > "$formula_file" << EOF
-class GoproxLatest < Formula
-  desc "GoPro media management tool (latest build)"
+class GoproxDev < Formula
+  desc "GoPro media management tool (dev build)"
   homepage "https://github.com/fxstein/GoProX"
   version "$version"
   url "$url"