diff --git a/gst-libs/gst/gl/gstglcontext.c b/gst-libs/gst/gl/gstglcontext.c
index c67bbba1e7..9ef92c8f99 100644
--- a/gst-libs/gst/gl/gstglcontext.c
+++ b/gst-libs/gst/gl/gstglcontext.c
@@ -262,6 +262,8 @@ _init_debug (void)
  * Create a new #GstGLContext with the specified @display
  *
  * Returns: a new #GstGLContext
+ *
+ * Since: 1.4
  */
 GstGLContext *
 gst_gl_context_new (GstGLDisplay * display)
@@ -318,6 +320,8 @@ gst_gl_context_new (GstGLDisplay * display)
  * Wraps an existing OpenGL context into a #GstGLContext.  
  *
  * Returns: a #GstGLContext wrapping @handle
+ *
+ * Since: 1.4
  */
 GstGLContext *
 gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
@@ -386,6 +390,8 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
  * @context_type: a #GstGLPlatform specifying the type of context to retreive
  *
  * Returns: The OpenGL context handle current in the calling thread or %NULL
+ *
+ * Since: 1.6
  */
 guintptr
 gst_gl_context_get_current_gl_context (GstGLPlatform context_type)
@@ -432,6 +438,8 @@ gst_gl_context_get_current_gl_context (GstGLPlatform context_type)
  *
  * Returns: The version supported by the OpenGL context current in the calling
  *          thread or %GST_GL_API_NONE
+ *
+ * Since: 1.6
  */
 GstGLAPI
 gst_gl_context_get_current_gl_api (guint * major, guint * minor)
@@ -580,6 +588,8 @@ gst_gl_context_finalize (GObject * object)
  * currently set window.  See gst_gl_context_set_window() for details.
  *
  * Returns: Whether the activation succeeded
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_context_activate (GstGLContext * context, gboolean activate)
@@ -632,7 +642,9 @@ gst_gl_context_get_thread (GstGLContext * context)
  * The currently available API may be limited by the #GstGLDisplay in use and/or
  * the #GstGLWindow chosen.
  *
- * Returns: the currently available OpenGL api
+ * Returns: the available OpenGL api
+ *
+ * Since: 1.4
  */
 GstGLAPI
 gst_gl_context_get_gl_api (GstGLContext * context)
@@ -666,6 +678,8 @@ _default_get_proc_address (GstGLContext * context, const gchar * name)
  * be retreived using this method.
  *
  * Returns: a function pointer or NULL
+ *
+ * Since: 1.4
  */
 gpointer
 gst_gl_context_get_proc_address (GstGLContext * context, const gchar * name)
@@ -723,6 +737,8 @@ gst_gl_context_default_get_proc_address (GstGLAPI gl_api, const gchar * name)
  * already running.
  *
  * Returns: Whether the window was successfully updated
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_context_set_window (GstGLContext * context, GstGLWindow * window)
@@ -753,6 +769,8 @@ gst_gl_context_set_window (GstGLContext * context, GstGLWindow * window)
  * @context: a #GstGLContext
  *
  * Returns: the currently set window
+ *
+ * Since: 1.4
  */
 GstGLWindow *
 gst_gl_context_get_window (GstGLContext * context)
@@ -850,6 +868,8 @@ gst_gl_context_can_share (GstGLContext * context, GstGLContext * other_context)
  * Should only be called once.
  *
  * Returns: whether the context could successfully be created
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_context_create (GstGLContext * context,
@@ -1336,6 +1356,8 @@ failure:
  *
  * Should only be called after gst_gl_context_create() has been successfully
  * called for this context.
+ *
+ * Since: 1.6
  */
 void
 gst_gl_context_destroy (GstGLContext * context)
@@ -1356,6 +1378,8 @@ gst_gl_context_destroy (GstGLContext * context)
  * Gets the backing OpenGL context used by @context.
  *
  * Returns: The platform specific backing OpenGL context
+ *
+ * Since: 1.4
  */
 guintptr
 gst_gl_context_get_gl_context (GstGLContext * context)
@@ -1379,6 +1403,8 @@ gst_gl_context_get_gl_context (GstGLContext * context)
  * Gets the OpenGL platform that used by @context.
  *
  * Returns: The platform specific backing OpenGL context
+ *
+ * Since: 1.4
  */
 GstGLPlatform
 gst_gl_context_get_gl_platform (GstGLContext * context)
@@ -1397,6 +1423,8 @@ gst_gl_context_get_gl_platform (GstGLContext * context)
  * @context: a #GstGLContext:
  *
  * Returns: the #GstGLDisplay associated with this @context
+ *
+ * Since: 1.4
  */
 GstGLDisplay *
 gst_gl_context_get_display (GstGLContext * context)
@@ -1430,6 +1458,8 @@ _gst_gl_context_thread_run_generic (RunGenericData * data)
  * Execute @func in the OpenGL thread of @context with @data
  *
  * MT-safe
+ *
+ * Since: 1.4
  */
 void
 gst_gl_context_thread_add (GstGLContext * context,
@@ -1463,6 +1493,8 @@ gst_gl_context_thread_add (GstGLContext * context,
  * Returns the OpenGL version implemented by @context.  See
  * gst_gl_context_get_gl_api() for retreiving the OpenGL api implemented by
  * @context.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_context_get_gl_version (GstGLContext * context, gint * maj, gint * min)
@@ -1486,6 +1518,8 @@ gst_gl_context_get_gl_version (GstGLContext * context, gint * maj, gint * min)
  *
  * Returns: whether OpenGL context implements the required api and specified
  * version.
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_context_check_gl_version (GstGLContext * context, GstGLAPI api,
@@ -1517,6 +1551,8 @@ gst_gl_context_check_gl_version (GstGLContext * context, GstGLAPI api,
  * determine their existence and so will fail if that is not the case.
  *
  * Returns: Whether @feature is supported by @context
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_context_check_feature (GstGLContext * context, const gchar * feature)
diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c
index c57e924fd3..6b7b835542 100644
--- a/gst-libs/gst/gl/gstgldisplay.c
+++ b/gst-libs/gst/gl/gstgldisplay.c
@@ -124,6 +124,8 @@ gst_gl_display_finalize (GObject * object)
  * gst_gl_display_new:
  *
  * Returns: (transfer full): a new #GstGLDisplay
+ *
+ * Since: 1.4
  */
 GstGLDisplay *
 gst_gl_display_new (void)
@@ -195,6 +197,8 @@ gst_gl_display_default_get_handle (GstGLDisplay * display)
  * @display: a #GstGLDisplay
  *
  * Returns: the #GstGLDisplayType of @display
+ *
+ * Since: 1.4
  */
 GstGLDisplayType
 gst_gl_display_get_handle_type (GstGLDisplay * display)
@@ -210,6 +214,8 @@ gst_gl_display_get_handle_type (GstGLDisplay * display)
  * @display: resulting #GstGLDisplay
  *
  * Sets @display on @context
+ *
+ * Since: 1.4
  */
 void
 gst_context_set_gl_display (GstContext * context, GstGLDisplay * display)
@@ -232,6 +238,8 @@ gst_context_set_gl_display (GstContext * context, GstGLDisplay * display)
  * @display: resulting #GstGLDisplay
  *
  * Returns: Whether @display was in @context
+ *
+ * Since: 1.4
  */
 gboolean
 gst_context_get_gl_display (GstContext * context, GstGLDisplay ** display)
diff --git a/gst-libs/gst/gl/gstglwindow.c b/gst-libs/gst/gl/gstglwindow.c
index d3d9c45217..667978a95e 100644
--- a/gst-libs/gst/gl/gstglwindow.c
+++ b/gst-libs/gst/gl/gstglwindow.c
@@ -163,6 +163,7 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
    *
    * Will be emitted when a mouse event is received by the GstGLwindow.
    *
+   * Since: 1.6
    */
   gst_gl_window_signals[EVENT_MOUSE_SIGNAL] =
       g_signal_new ("mouse-event", G_TYPE_FROM_CLASS (klass),
@@ -177,6 +178,7 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
    *
    * Will be emitted when a key event is received by the GstGLwindow.
    *
+   * Since: 1.6
    */
   gst_gl_window_signals[EVENT_KEY_SIGNAL] =
       g_signal_new ("key-event", G_TYPE_FROM_CLASS (klass),
@@ -189,6 +191,8 @@ gst_gl_window_class_init (GstGLWindowClass * klass)
  * @display: a #GstGLDisplay
  *
  * Returns: (transfer full): a new #GstGLWindow using @display's connection
+ *
+ * Since: 1.4
  */
 GstGLWindow *
 gst_gl_window_new (GstGLDisplay * display)
@@ -293,6 +297,8 @@ gst_gl_window_finalize (GObject * object)
  *
  * Sets the window that this @window should render into.  Some implementations
  * require this to be called with a valid handle before drawing can commence.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
@@ -314,6 +320,8 @@ gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
  * @height: requested height of the window
  *
  * Redraw the window contents.  Implementations should invoke the draw callback.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_draw_unlocked (GstGLWindow * window, guint width, guint height)
@@ -334,6 +342,8 @@ gst_gl_window_draw_unlocked (GstGLWindow * window, guint width, guint height)
  * @height: requested height of the window
  *
  * Redraw the window contents.  Implementations should invoke the draw callback.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_draw (GstGLWindow * window, guint width, guint height)
@@ -357,6 +367,8 @@ gst_gl_window_draw (GstGLWindow * window, guint width, guint height)
  * @window: a #GstGLWindow
  *
  * Start the execution of the runloop.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_run (GstGLWindow * window)
@@ -376,6 +388,8 @@ gst_gl_window_run (GstGLWindow * window)
  * @window: a #GstGLWindow
  *
  * Start the execution of the navigation runloop.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_run_navigation (GstGLWindow * window)
@@ -391,6 +405,8 @@ gst_gl_window_run_navigation (GstGLWindow * window)
  * @window: a #GstGLWindow
  *
  * Quit the runloop's execution.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_quit (GstGLWindow * window)
@@ -469,6 +485,8 @@ gst_gl_window_default_send_message (GstGLWindow * window,
  *
  * Invoke @callback with data on the window thread.  @callback is guarenteed to
  * have executed when this function returns.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
@@ -493,6 +511,8 @@ gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
  *
  * Invoke @callback with @data on the window thread.  The callback may not
  * have been executed when this function returns.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_send_message_async (GstGLWindow * window, GstGLWindowCB callback,
@@ -516,6 +536,8 @@ gst_gl_window_send_message_async (GstGLWindow * window, GstGLWindowCB callback,
  * @destroy_notify: (destroy): called when @data is not needed any more
  *
  * Sets the draw callback called everytime gst_gl_window_draw() is called
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
@@ -543,6 +565,8 @@ gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
  * @destroy_notify: (destroy): called when @data is not needed any more
  *
  * Sets the resize callback called everytime a resize of the window occurs.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_set_resize_callback (GstGLWindow * window,
@@ -570,6 +594,8 @@ gst_gl_window_set_resize_callback (GstGLWindow * window,
  * @destroy_notify: (destroy): called when @data is not needed any more
  *
  * Sets the callback called when the window is about to close.
+ *
+ * Since: 1.4
  */
 void
 gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
@@ -594,6 +620,8 @@ gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
  * @window: a #GstGLWindow
  *
  * Whether the runloop is running
+ *
+ * Since: 1.4
  */
 gboolean
 gst_gl_window_is_running (GstGLWindow * window)
@@ -606,6 +634,8 @@ gst_gl_window_is_running (GstGLWindow * window)
  * @window: a #GstGLWindow
  *
  * Returns: the windowing system display handle for this @window
+ *
+ * Since: 1.4
  */
 guintptr
 gst_gl_window_get_display (GstGLWindow * window)
@@ -624,6 +654,8 @@ gst_gl_window_get_display (GstGLWindow * window)
  * @window: a #GstGLWindow
  *
  * Returns: the window handle we are currently rendering into
+ *
+ * Since: 1.4
  */
 guintptr
 gst_gl_window_get_window_handle (GstGLWindow * window)
@@ -642,6 +674,8 @@ gst_gl_window_get_window_handle (GstGLWindow * window)
  * @window: a #GstGLWindow
  *
  * Returns: (transfer full): the #GstGLContext associated with this @window
+ *
+ * Since: 1.4
  */
 GstGLContext *
 gst_gl_window_get_context (GstGLWindow * window)
@@ -656,8 +690,9 @@ gst_gl_window_get_context (GstGLWindow * window)
  * @window: a #GstGLWindow
  * @width: (out): resulting surface width
  * @height: (out): resulting surface height
+ *
+ * Since: 1.6
  */
-
 void
 gst_gl_window_get_surface_dimensions (GstGLWindow * window, guint * width,
     guint * height)