diff --git a/.drone.yml b/.drone.yml
index c3de5d6d246db..50f6b683fcdff 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -384,6 +384,8 @@ steps:
       - git rev-parse origin/$MINORVERSION-dev > transfer/$MINORVERSION.txt
       - php build/build.php --remote=origin/$MINORVERSION-dev --exclude-gzip --disable-patch-packages
       - mv build/tmp/packages/* transfer/
+      - php build/build.php --remote=origin/$MINORVERSION-dev --exclude-zip --exclude-gzip --exclude-bzip2 --debug-build
+      - mv build/tmp/packages/* transfer/
 
   - name: upload
     image: joomlaprojects/docker-images:packager
@@ -430,6 +432,6 @@ trigger:
 
 ---
 kind: signature
-hmac: 92bc9a500addecbc0d8ea987a668bee4abeae8bbab444e7105ce134ba3ffe96b
+hmac: 10ae86041b814459e0a4618a7fa2356480177af7966412cc050e9902e9384cbe
 
 ...
diff --git a/build/build.php b/build/build.php
index 2124b75234ca6..4a8e7c67b5750 100644
--- a/build/build.php
+++ b/build/build.php
@@ -41,6 +41,7 @@ function usage(string $command)
     echo PHP_TAB . PHP_TAB . '--include-bzip2:' . PHP_TAB . PHP_TAB . 'Exclude the generation of .tar.bz2 packages' . PHP_EOL;
     echo PHP_TAB . PHP_TAB . '--exclude-zstd:' . PHP_TAB . PHP_TAB . PHP_TAB . 'Include the generation of .tar.zst packages' . PHP_EOL;
     echo PHP_TAB . PHP_TAB . '--disable-patch-packages:' . PHP_TAB . 'Disable the generation of patch packages' . PHP_EOL;
+    echo PHP_TAB . PHP_TAB . '--debug-build:' . PHP_TAB . 'Include development packages and build folder' . PHP_EOL;
     echo PHP_TAB . PHP_TAB . '--help:' . PHP_TAB . PHP_TAB . PHP_TAB . PHP_TAB . 'Show this help output' . PHP_EOL;
     echo PHP_EOL;
 }
@@ -236,9 +237,10 @@ function clean_composer(string $dir)
 $fullpath = $tmp . '/' . $time;
 
 // Parse input options
-$options = getopt('', ['help', 'remote::', 'exclude-zip', 'exclude-gzip', 'include-bzip2', 'exclude-zstd', 'disable-patch-packages']);
+$options = getopt('', ['help', 'remote::', 'exclude-zip', 'exclude-gzip', 'include-bzip2', 'exclude-zstd', 'debug-build', 'disable-patch-packages']);
 
 $remote             = $options['remote'] ?? false;
+$debugBuild         = isset($options['debug-build']);
 $excludeZip         = isset($options['exclude-zip']);
 $excludeGzip        = isset($options['exclude-gzip']);
 $excludeBzip2       = !isset($options['include-bzip2']);
@@ -265,6 +267,11 @@ function clean_composer(string $dir)
     $includeExtraTextfiles = true;
 }
 
+$composerOptions = ' ';
+if (!$debugBuild) {
+    $composerOptions .= '--no-dev';
+}
+
 echo "Start build for remote $remote.\n";
 echo "Delete old release folder.\n";
 system('rm -rf ' . $tmp);
@@ -277,7 +284,7 @@ function clean_composer(string $dir)
 system('cp build/fido.jwt ' . $fullpath . '/plugins/system/webauthn/fido.jwt');
 // Install PHP and NPM dependencies and compile required media assets, skip Composer autoloader until post-cleanup
 chdir($fullpath);
-system('composer install --no-dev --no-autoloader --ignore-platform-reqs', $composerReturnCode);
+system('composer install --no-autoloader --ignore-platform-reqs' . $composerOptions, $composerReturnCode);
 
 if ($composerReturnCode !== 0) {
     echo "`composer install` did not complete as expected.\n";
@@ -318,16 +325,22 @@ function clean_composer(string $dir)
 }
 
 // Clean the checkout of extra resources
-clean_checkout($fullpath);
+if (!$debugBuild) {
+    clean_checkout($fullpath);
+}
 
 // Regenerate the Composer autoloader without deleted files
-system('composer dump-autoload --no-dev --optimize --no-scripts');
+system('composer dump-autoload --optimize --no-scripts' . $composerOptions);
 
 // Clean the Composer manifests now
-clean_composer($fullpath);
+if (!$debugBuild) {
+    clean_composer($fullpath);
+}
 
 // And cleanup the Node installation
-system('rm -rf node_modules');
+if (!$debugBuild) {
+    system('rm -rf node_modules');
+}
 
 echo "Workspace built.\n";
 
@@ -449,11 +462,17 @@ function clean_composer(string $dir)
 // For the packages, replace spaces in stability (RC) with underscores
 $packageStability = str_replace(' ', '_', Version::DEV_STATUS);
 
+if ($debugBuild) {
+    $packageStability .= '-Debug';
+}
+
 // Delete the files and folders we exclude from the packages (tests, docs, build, etc.).
 echo "Delete folders not included in packages.\n";
 
-foreach ($doNotPackage as $removeFile) {
-    system('rm -rf ' . $time . '/' . $removeFile);
+if (!$debugBuild) {
+    foreach ($doNotPackage as $removeFile) {
+        system('rm -rf ' . $time . '/' . $removeFile);
+    }
 }
 
 // Count down starting with the latest release and add diff files to this array
@@ -498,7 +517,8 @@ function clean_composer(string $dir)
             $dirtyHackForMediaCheck = \in_array('administrator/components/com_media/resources', $fullPath);
         }
 
-        if ($dirtyHackForMediaCheck || $doNotPackageFile || $doNotPatchFile || $doNotPackageBaseFolder || $doNotPatchBaseFolder) {
+
+        if (!$debugBuild && ($dirtyHackForMediaCheck || $doNotPackageFile || $doNotPatchFile || $doNotPackageBaseFolder || $doNotPatchBaseFolder)) {
             continue;
         }
 
@@ -619,45 +639,47 @@ function clean_composer(string $dir)
 }
 
 // Create full update file without the default logs directory, installation folder, or sample images.
-echo "Build full update package.\n";
-system('rm -r administrator/logs');
-system('rm -r installation');
-system('rm -r images/banners');
-system('rm -r images/headers');
-system('rm -r images/sampledata');
-system('rm images/joomla_black.png');
-system('rm images/powered_by.png');
+if (!$debugBuild) {
+    echo "Build full update package.\n";
+    system('rm -r administrator/logs');
+    system('rm -r installation');
+    system('rm -r images/banners');
+    system('rm -r images/headers');
+    system('rm -r images/sampledata');
+    system('rm images/joomla_black.png');
+    system('rm images/powered_by.png');
 
-if (!$excludeZip) {
-    $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.zip';
-    echo "Building " . $packageName . "... ";
-    system('zip -r ../packages/' . $packageName . ' * > /dev/null');
-    echo "done.\n";
-    $checksums[$packageName] = [];
-}
+    if (!$excludeZip) {
+        $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.zip';
+        echo "Building " . $packageName . "... ";
+        system('zip -r ../packages/' . $packageName . ' * > /dev/null');
+        echo "done.\n";
+        $checksums[$packageName] = [];
+    }
 
-if (!$excludeGzip) {
-    $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.gz';
-    echo "Building " . $packageName . "... ";
-    system('tar --create --gzip --file ../packages/' . $packageName . ' * > /dev/null');
-    echo "done.\n";
-    $checksums[$packageName] = [];
-}
+    if (!$excludeGzip) {
+        $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.gz';
+        echo "Building " . $packageName . "... ";
+        system('tar --create --gzip --file ../packages/' . $packageName . ' * > /dev/null');
+        echo "done.\n";
+        $checksums[$packageName] = [];
+    }
 
-if (!$excludeBzip2) {
-    $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.bz2';
-    echo "Building " . $packageName . "... ";
-    system('tar --create --bzip2 --file ../packages/' . $packageName . ' * > /dev/null');
-    echo "done.\n";
-    $checksums[$packageName] = [];
-}
+    if (!$excludeBzip2) {
+        $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.bz2';
+        echo "Building " . $packageName . "... ";
+        system('tar --create --bzip2 --file ../packages/' . $packageName . ' * > /dev/null');
+        echo "done.\n";
+        $checksums[$packageName] = [];
+    }
 
-if (!$excludeZstd) {
-    $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.zst';
-    echo "Building " . $packageName . "... ";
-    system('tar "-I zstd --ultra -22" --create --file ../packages/' . $packageName . ' * > /dev/null');
-    echo "done.\n";
-    $checksums[$packageName] = [];
+    if (!$excludeZstd) {
+        $packageName = 'Joomla_' . $fullVersion . '-' . $packageStability . '-Update_Package.tar.zst';
+        echo "Building " . $packageName . "... ";
+        system('tar "-I zstd --ultra -22" --create --file ../packages/' . $packageName . ' * > /dev/null');
+        echo "done.\n";
+        $checksums[$packageName] = [];
+    }
 }
 
 chdir('..');