diff --git a/component/admin/config.xml b/component/admin/config.xml
index b0731c80..9c49bd64 100644
--- a/component/admin/config.xml
+++ b/component/admin/config.xml
@@ -166,6 +166,16 @@
 			name="sourcespacer"
 			class="text"
 			label="COM_LOCALISE_SOURCE_SPACER_LABEL" />
+		<field
+			name="pre_stable"
+			type="radio"
+			class="btn-group btn-group-yesno"
+			default="0"
+			label="COM_LOCALISE_LABEL_GITHUB_PRESTABLE"
+			description="COM_LOCALISE_LABEL_GITHUB_PRESTABLE_DESC">
+			<option value="0">JNO</option>
+			<option value="1">JYES</option>
+		</field>
 		<field
 			name="customisedref"
 			type="releases"
diff --git a/component/admin/language/en-GB/en-GB.com_localise.ini b/component/admin/language/en-GB/en-GB.com_localise.ini
index b5700232..43499c42 100644
--- a/component/admin/language/en-GB/en-GB.com_localise.ini
+++ b/component/admin/language/en-GB/en-GB.com_localise.ini
@@ -534,6 +534,8 @@ COM_LOCALISE_LABEL_GITHUB_DEVELOP_TAB="en-GB reference language and development"
 COM_LOCALISE_LABEL_GITHUB_DEVELOP_TAB_DESC="<strong>Important!</strong><br/> This feature lets fetch the en-GB reference language from the Joomla Github repository.<br/>It allows to deal with strings modified values and not only new strings. <br/>It will only work when 'Reference language' is set to 'English (en-GB)' in the 'Global configuration' tab.<br />It only handles 'en-GB' core language files."
 COM_LOCALISE_LABEL_GITHUB_INSTALLATION_LAST_UPDATE="Last update - Installation"
 COM_LOCALISE_LABEL_GITHUB_INSTALLATION_LAST_UPDATE_DESC="The last time installation language file has been updated from Github to get the target en-GB reference."
+COM_LOCALISE_LABEL_GITHUB_PRESTABLE="Pre-stable Sources"
+COM_LOCALISE_LABEL_GITHUB_PRESTABLE_DESC="Allows choosing in the field below non stable releases as source (alpha, beta, RC). Default is \"No\" to display only stable releases."
 COM_LOCALISE_LABEL_GITHUB_SITE_LAST_UPDATE="Last update - Site"
 COM_LOCALISE_LABEL_GITHUB_SITE_LAST_UPDATE_DESC="The last time site language files have been updated from Github to get the target en-GB reference."
 COM_LOCALISE_LABEL_GITHUB_TOKEN="Github Token *"
diff --git a/component/admin/models/fields/releases.php b/component/admin/models/fields/releases.php
index 3d8df865..d02ecd86 100644
--- a/component/admin/models/fields/releases.php
+++ b/component/admin/models/fields/releases.php
@@ -39,6 +39,13 @@ protected function getOptions()
 		$params        = JComponentHelper::getParams('com_localise');
 		$versions_path = JPATH_ROOT
 				. '/administrator/components/com_localise/customisedref/stable_joomla_releases.txt';
+
+		// Empty txt file to make sure it contains only stable releases after save.
+		if ($params->get('pre_stable', '0') == '0')
+		{
+			file_put_contents($versions_path, '');
+		}
+
 		$versions_file = file_get_contents($versions_path);
 		$versions      = preg_split("/\\r\\n|\\r|\\n/", $versions_file);
 
@@ -93,13 +100,26 @@ protected function getOptions()
 					$excluded = 1;
 				}
 
-				// Filtering also by "is_numeric" disable betas or similar releases.
-				if (!in_array($tag_name, $versions) && is_numeric($undoted) && $excluded == 0)
+				// Filtering by "is_numeric" disable betas or similar releases.
+				if ($params->get('pre_stable', '0') == '0')
+				{
+					if (!in_array($tag_name, $versions) && is_numeric($undoted) && $excluded == 0)
+					{
+						$versions[] = $tag_name;
+						JFactory::getApplication()->enqueueMessage(
+							JText::sprintf('COM_LOCALISE_NOTICE_NEW_VERSION_DETECTED', $tag_name),
+							'notice');
+					}
+				}
+				else
 				{
-					$versions[] = $tag_name;
-					JFactory::getApplication()->enqueueMessage(
-						JText::sprintf('COM_LOCALISE_NOTICE_NEW_VERSION_DETECTED', $tag_name),
-						'notice');
+					if (!in_array($tag_name, $versions) && $excluded == 0)
+					{
+						$versions[] = $tag_name;
+						JFactory::getApplication()->enqueueMessage(
+							JText::sprintf('COM_LOCALISE_NOTICE_NEW_VERSION_DETECTED', $tag_name),
+							'notice');
+					}
 				}
 			}
 		}