diff --git a/src/WSEvents.cpp b/src/WSEvents.cpp
index 38660b24..b63fe2c3 100644
--- a/src/WSEvents.cpp
+++ b/src/WSEvents.cpp
@@ -1208,7 +1208,7 @@ void WSEvents::OnSourceMuteStateChange(void* param, calldata_t* data) {
  * @api events
  * @name SourceAudioDeactivated
  * @category sources
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnSourceAudioDeactivated(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1231,7 +1231,7 @@ void WSEvents::OnSourceAudioDeactivated(void* param, calldata_t* data) {
  * @api events
  * @name SourceAudioActivated
  * @category sources
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnSourceAudioActivated(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1498,7 +1498,7 @@ void WSEvents::OnSourceFilterOrderChanged(void* param, calldata_t* data) {
  * @api events
  * @name MediaPlaying
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaPlaying(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1519,7 +1519,7 @@ void WSEvents::OnMediaPlaying(void* param, calldata_t* data) {
  * @api events
  * @name MediaPaused
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaPaused(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1540,7 +1540,7 @@ void WSEvents::OnMediaPaused(void* param, calldata_t* data) {
  * @api events
  * @name MediaRestarted
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaRestarted(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1561,7 +1561,7 @@ void WSEvents::OnMediaRestarted(void* param, calldata_t* data) {
  * @api events
  * @name MediaStopped
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaStopped(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1582,7 +1582,7 @@ void WSEvents::OnMediaStopped(void* param, calldata_t* data) {
  * @api events
  * @name MediaNext
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaNext(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1603,7 +1603,7 @@ void WSEvents::OnMediaNext(void* param, calldata_t* data) {
  * @api events
  * @name MediaPrevious
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaPrevious(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1624,7 +1624,7 @@ void WSEvents::OnMediaPrevious(void* param, calldata_t* data) {
  * @api events
  * @name MediaStarted
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaStarted(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
@@ -1645,7 +1645,7 @@ void WSEvents::OnMediaStarted(void* param, calldata_t* data) {
  * @api events
  * @name MediaEnded
  * @category media
- * @since unreleased
+ * @since 4.9.0
  */
 void WSEvents::OnMediaEnded(void* param, calldata_t* data) {
 	auto self = reinterpret_cast<WSEvents*>(param);
diff --git a/src/WSRequestHandler_General.cpp b/src/WSRequestHandler_General.cpp
index d42513bc..64471766 100644
--- a/src/WSRequestHandler_General.cpp
+++ b/src/WSRequestHandler_General.cpp
@@ -354,7 +354,7 @@ RpcResponse WSRequestHandler::OpenProjector(const RpcRequest& request) {
 * @api requests
 * @name TriggerHotkeyByName
 * @category general
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::TriggerHotkeyByName(const RpcRequest& request) {
 	const char* name = obs_data_get_string(request.parameters(), "hotkeyName");
@@ -380,7 +380,7 @@ RpcResponse WSRequestHandler::TriggerHotkeyByName(const RpcRequest& request) {
 * @api requests
 * @name TriggerHotkeyBySequence
 * @category general
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::TriggerHotkeyBySequence(const RpcRequest& request) {
 	if (!request.hasField("keyId")) {
diff --git a/src/WSRequestHandler_MediaControl.cpp b/src/WSRequestHandler_MediaControl.cpp
index 225c40c5..1b7a73bf 100644
--- a/src/WSRequestHandler_MediaControl.cpp
+++ b/src/WSRequestHandler_MediaControl.cpp
@@ -51,7 +51,7 @@ QString getSourceMediaState(obs_source_t *source)
 * @api requests
 * @name PlayPauseMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::PlayPauseMedia(const RpcRequest& request) {
 	if ((!request.hasField("sourceName")) || (!request.hasField("playPause"))) {
@@ -81,7 +81,7 @@ RpcResponse WSRequestHandler::PlayPauseMedia(const RpcRequest& request) {
 * @api requests
 * @name RestartMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::RestartMedia(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -110,7 +110,7 @@ RpcResponse WSRequestHandler::RestartMedia(const RpcRequest& request) {
 * @api requests
 * @name StopMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::StopMedia(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -139,7 +139,7 @@ RpcResponse WSRequestHandler::StopMedia(const RpcRequest& request) {
 * @api requests
 * @name NextMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::NextMedia(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -168,7 +168,7 @@ RpcResponse WSRequestHandler::NextMedia(const RpcRequest& request) {
 * @api requests
 * @name PreviousMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::PreviousMedia(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -200,7 +200,7 @@ RpcResponse WSRequestHandler::PreviousMedia(const RpcRequest& request) {
 * @api requests
 * @name GetMediaDuration
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetMediaDuration(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -232,7 +232,7 @@ RpcResponse WSRequestHandler::GetMediaDuration(const RpcRequest& request) {
 * @api requests
 * @name GetMediaTime
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetMediaTime(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -263,7 +263,7 @@ RpcResponse WSRequestHandler::GetMediaTime(const RpcRequest& request) {
 * @api requests
 * @name SetMediaTime
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::SetMediaTime(const RpcRequest& request) {
 	if (!request.hasField("sourceName") || !request.hasField("timestamp")) {
@@ -295,7 +295,7 @@ RpcResponse WSRequestHandler::SetMediaTime(const RpcRequest& request) {
 * @api requests
 * @name ScrubMedia
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::ScrubMedia(const RpcRequest& request) {
 	if (!request.hasField("sourceName") || !request.hasField("timeOffset")) {
@@ -332,7 +332,7 @@ RpcResponse WSRequestHandler::ScrubMedia(const RpcRequest& request) {
 * @api requests
 * @name GetMediaState
 * @category media control
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetMediaState(const RpcRequest& request) {
 	if (!request.hasField("sourceName")) {
@@ -366,7 +366,7 @@ RpcResponse WSRequestHandler::GetMediaState(const RpcRequest& request) {
 * @api requests
 * @name GetMediaSourcesList
 * @category sources
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetMediaSourcesList(const RpcRequest& request)
 {
diff --git a/src/WSRequestHandler_Recording.cpp b/src/WSRequestHandler_Recording.cpp
index d0a53f82..0d9ce2c7 100644
--- a/src/WSRequestHandler_Recording.cpp
+++ b/src/WSRequestHandler_Recording.cpp
@@ -26,7 +26,7 @@ RpcResponse ifCanPause(const RpcRequest& request, std::function<RpcResponse()> c
  * @api requests
  * @name GetRecordingStatus
  * @category recording
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::GetRecordingStatus(const RpcRequest& request) {
 		auto events = GetEventsSystem();
diff --git a/src/WSRequestHandler_ReplayBuffer.cpp b/src/WSRequestHandler_ReplayBuffer.cpp
index 2210fcf7..035a41f1 100644
--- a/src/WSRequestHandler_ReplayBuffer.cpp
+++ b/src/WSRequestHandler_ReplayBuffer.cpp
@@ -13,7 +13,7 @@
  * @api requests
  * @name GetReplayBufferStatus
  * @category replay buffer
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::GetReplayBufferStatus(const RpcRequest& request) {
 		OBSDataAutoRelease data = obs_data_create();
diff --git a/src/WSRequestHandler_SceneItems.cpp b/src/WSRequestHandler_SceneItems.cpp
index 732fe619..22caad5c 100644
--- a/src/WSRequestHandler_SceneItems.cpp
+++ b/src/WSRequestHandler_SceneItems.cpp
@@ -17,7 +17,7 @@
 * @api requests
 * @name GetSceneItemList
 * @category scene items
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetSceneItemList(const RpcRequest& request) {
 	const char* sceneName = obs_data_get_string(request.parameters(), "sceneName");
@@ -635,7 +635,7 @@ RpcResponse WSRequestHandler::DeleteSceneItem(const RpcRequest& request) {
  * @api requests
  * @name AddSceneItem
  * @category scene items
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::AddSceneItem(const RpcRequest& request) {
 	if (!request.hasField("sceneName") || !request.hasField("sourceName")) {
diff --git a/src/WSRequestHandler_Scenes.cpp b/src/WSRequestHandler_Scenes.cpp
index 70734c1a..9fd837a4 100644
--- a/src/WSRequestHandler_Scenes.cpp
+++ b/src/WSRequestHandler_Scenes.cpp
@@ -87,7 +87,7 @@ RpcResponse WSRequestHandler::GetSceneList(const RpcRequest& request) {
  * @api requests
  * @name CreateScene
  * @category scenes
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::CreateScene(const RpcRequest& request) {
 	if (!request.hasField("sceneName")) {
diff --git a/src/WSRequestHandler_Sources.cpp b/src/WSRequestHandler_Sources.cpp
index 23a31bed..0107eb9a 100644
--- a/src/WSRequestHandler_Sources.cpp
+++ b/src/WSRequestHandler_Sources.cpp
@@ -32,7 +32,7 @@ bool isTextFreeType2Source(const QString& sourceKind)
  * @api requests
  * @name CreateSource
  * @category sources
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::CreateSource(const RpcRequest& request)
 {
@@ -424,7 +424,7 @@ RpcResponse WSRequestHandler::ToggleMute(const RpcRequest& request)
 * @api requests
 * @name GetAudioActive
 * @category sources
-* @since unreleased
+* @since 4.9.0
 */
 RpcResponse WSRequestHandler::GetAudioActive(const RpcRequest& request)
 {
diff --git a/src/WSRequestHandler_Transitions.cpp b/src/WSRequestHandler_Transitions.cpp
index 7fd15349..c9daa0eb 100644
--- a/src/WSRequestHandler_Transitions.cpp
+++ b/src/WSRequestHandler_Transitions.cpp
@@ -129,7 +129,7 @@ RpcResponse WSRequestHandler::GetTransitionDuration(const RpcRequest& request) {
  * @api requests
  * @name GetTransitionPosition
  * @category transitions
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::GetTransitionPosition(const RpcRequest& request) {
 	OBSSourceAutoRelease currentTransition = obs_frontend_get_current_transition();
@@ -150,7 +150,7 @@ RpcResponse WSRequestHandler::GetTransitionPosition(const RpcRequest& request) {
  * @api requests
  * @name GetTransitionSettings
  * @category transitions
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::GetTransitionSettings(const RpcRequest& request) {
 	if (!request.hasField("transitionName")) {
@@ -181,7 +181,7 @@ RpcResponse WSRequestHandler::GetTransitionSettings(const RpcRequest& request) {
  * @api requests
  * @name SetTransitionSettings
  * @category transitions
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::SetTransitionSettings(const RpcRequest& request) {
 	if (!request.hasField("transitionName") || !request.hasField("transitionSettings")) {
@@ -212,7 +212,7 @@ RpcResponse WSRequestHandler::SetTransitionSettings(const RpcRequest& request) {
  * @api requests
  * @name ReleaseTBar
  * @category transitions
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::ReleaseTBar(const RpcRequest& request) {
 	if (!obs_frontend_preview_program_mode_active()) {
@@ -240,7 +240,7 @@ RpcResponse WSRequestHandler::ReleaseTBar(const RpcRequest& request) {
  * @api requests
  * @name SetTBarPosition
  * @category transitions
- * @since unreleased
+ * @since 4.9.0
  */
 RpcResponse WSRequestHandler::SetTBarPosition(const RpcRequest& request) {
 	if (!obs_frontend_preview_program_mode_active()) {