Being consistent is the gist, no single @since should have been missed.

see #26713.
Built from https://develop.svn.wordpress.org/trunk@26869


git-svn-id: http://core.svn.wordpress.org/trunk@26755 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-filesystem-direct.php

@@ -9,7 +9,7 @@
 /**
  * WordPress Filesystem Class for direct PHP file and folder manipulation.
  *
- * @since 2.5
+ * @since 2.5.0
  * @package WordPress
  * @subpackage Filesystem
  * @uses WP_Filesystem_Base Extends class

wp-admin/includes/class-wp-filesystem-ftpext.php

@@ -9,7 +9,7 @@
 /**
  * WordPress Filesystem Class for implementing FTP.
  *
- * @since 2.5
+ * @since 2.5.0
  * @package WordPress
  * @subpackage Filesystem
  * @uses WP_Filesystem_Base Extends class

wp-admin/includes/class-wp-filesystem-ftpsockets.php

@@ -9,7 +9,7 @@
 /**
  * WordPress Filesystem Class for implementing FTP Sockets.
  *
- * @since 2.5
+ * @since 2.5.0
  * @package WordPress
  * @subpackage Filesystem
  * @uses WP_Filesystem_Base Extends class

wp-admin/includes/class-wp-themes-list-table.php

@@ -238,7 +238,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 	/**
 	 * Send required variables to JavaScript land
 	 *
-	 * @since 3.4
+	 * @since 3.4.0
 	 * @access private
 	 *
 	 * @uses $this->features Array of all feature search terms.