Theme Settings API 6.x-1.0
  * Most of the API now resides in Drupal CORE.
  * Removed ability to use a file named settings.php.
  * Otherwise, this release is feature-identical to 5.x-2.1.

Theme Settings API 5.x-2.1
  #171633: backport of the committed DRUPAL-6 custom theme settings API. Changed
    the name of "settings.php" to "theme-settings.php".

Theme Settings API 5.x-2.0
  #142907: backport of the proposed DRUPAL CORE custom theme settings API
  * Completely updated API, but with easy migration path.
  * Added ability to switch themes when displaying the theme settings.

Theme Settings API 5.x-1.4
  * Moved Theme Settings API module to a separate project.
  * Added German translation (contributed by Hass.)

Theme Settings API 5.x-1.0
  Initial release