7 files changed, 47 insertions, 8 deletions
diff --git a/doc/classes/ARVRController.xml b/doc/classes/ARVRController.xml
index 47a9341643..2adc073ebe 100644
--- a/doc/classes/ARVRController.xml
+++ b/doc/classes/ARVRController.xml
@@ -62,7 +62,10 @@
 	</methods>
 	<members>
 		<member name="controller_id" type="int" setter="set_controller_id" getter="get_controller_id">
-			The controller's id. The first controller that the [ARVRServer] detects will have id 1, the second id 2, the third id 3, etc. When a controller is turned off, it's slot is freed. This ensures controllers will keep the same id even when controllers with lower ids are turned off.
+			The controller's id.
+			A controller id of 0 is unbound and will always result in an inactive node. Controller id 1 is reserved for the first controller that identifies itself as the left hand controller and id 2 is reserved for the first controller that identifies itself as the right hand controller.
+			For any other controller that the [ARVRServer] detects we continue with controller id 3.
+			When a controller is turned off, its slot is freed. This ensures controllers will keep the same id even when controllers with lower ids are turned off.
 		</member>
 		<member name="rumble" type="float" setter="set_rumble" getter="get_rumble">
 			The degree to which the tracker rumbles. Ranges from [code]0.0[/code] to [code]1.0[/code] with precision [code].01[/code]. If changed, updates [member ARVRPositionalTracker.rumble] accordingly.
diff --git a/doc/classes/ARVRServer.xml b/doc/classes/ARVRServer.xml
index 17202c8c2c..ffe6c35240 100644
--- a/doc/classes/ARVRServer.xml
+++ b/doc/classes/ARVRServer.xml
@@ -14,7 +14,7 @@
 		<method name="center_on_hmd">
 			<return type="void">
 			</return>
-			<argument index="0" name="ignore_tilt" type="bool">
+			<argument index="0" name="rotation_mode" type="bool">
 			</argument>
 			<argument index="1" name="keep_height" type="bool">
 			</argument>
@@ -154,5 +154,14 @@
 		<constant name="TRACKER_ANY" value="255" enum="TrackerType">
 			Used internally to select all trackers.
 		</constant>
+		<constant name="RESET_FULL_ROTATION" value="0" enum="RotationMode">
+			Fully reset the orientation of the HMD. Regardless of what direction the user is looking to in the real world. The user will look dead ahead in the virtual world.
+		</constant>
+		<constant name="RESET_BUT_KEEP_TILT" value="1" enum="RotationMode">
+			Resets the orientation but keeps the tilt of the device. So if we're looking down, we keep looking down but heading will be reset.
+		</constant>
+		<constant name="DONT_RESET_ROTATION" value="2" enum="RotationMode">
+			Does not reset the orientation of the HMD, only the position of the player gets centered.
+		</constant>
 	</constants>
 </class>
diff --git a/doc/classes/AnimationPlayer.xml b/doc/classes/AnimationPlayer.xml
index 570f5e9741..a244788020 100644
--- a/doc/classes/AnimationPlayer.xml
+++ b/doc/classes/AnimationPlayer.xml
@@ -133,6 +133,7 @@
 			<return type="float">
 			</return>
 			<description>
+				Returns the speed scaling ratio of the current animation channel. For instance, if this value is 1 then the animation plays at normal speed. If it's 0.5 then it plays at half speed. If it's 2 then it plays at double speed.
 			</description>
 		</method>
 		<method name="has_animation" qualifiers="const">
diff --git a/doc/classes/Mutex.xml b/doc/classes/Mutex.xml
index 4b845c05ad..74d59b2dd3 100644
--- a/doc/classes/Mutex.xml
+++ b/doc/classes/Mutex.xml
@@ -4,7 +4,7 @@
 		A synchronization Mutex.
 	</brief_description>
 	<description>
-		A synchronization Mutex. Element used in multi-threadding. Basically a binary [Semaphore]. Guarantees that only one thread has this lock, can be used to protect a critical section.
+		A synchronization Mutex. Element used to synchronize multiple [Thread]s. Basically a binary [Semaphore]. Guarantees that only one thread can ever acquire this lock at a time. Can be used to protect a critical section. Be careful to avoid deadlocks.
 	</description>
 	<tutorials>
 	</tutorials>
@@ -22,14 +22,14 @@
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Try locking this [code]Mutex[/code], does not block. Returns [OK] on success else [ERR_BUSY].
+				Try locking this [code]Mutex[/code], does not block. Returns [OK] on success, [ERR_BUSY] otherwise.
 			</description>
 		</method>
 		<method name="unlock">
 			<return type="void">
 			</return>
 			<description>
-				Unlock this [code]Mutex[/code], leaving it to others threads.
+				Unlock this [code]Mutex[/code], leaving it to other threads.
 			</description>
 		</method>
 	</methods>
diff --git a/doc/classes/SceneTree.xml b/doc/classes/SceneTree.xml
index f3dd953c6f..a78fe03cab 100644
--- a/doc/classes/SceneTree.xml
+++ b/doc/classes/SceneTree.xml
@@ -165,6 +165,12 @@
 			<description>
 			</description>
 		</method>
+		<method name="is_using_font_oversampling" qualifiers="const">
+			<return type="bool">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="notify_group">
 			<return type="void">
 			</return>
@@ -318,6 +324,14 @@
 			<description>
 			</description>
 		</method>
+		<method name="set_use_font_oversampling">
+			<return type="void">
+			</return>
+			<argument index="0" name="enable" type="bool">
+			</argument>
+			<description>
+			</description>
+		</method>
 	</methods>
 	<signals>
 		<signal name="connected_to_server">
diff --git a/doc/classes/Script.xml b/doc/classes/Script.xml
index d45283c10c..c7df24879e 100644
--- a/doc/classes/Script.xml
+++ b/doc/classes/Script.xml
@@ -19,6 +19,18 @@
 				Returns true if the script can be instanced.
 			</description>
 		</method>
+		<method name="get_base_script" qualifiers="const">
+			<return type="Script">
+			</return>
+			<description>
+			</description>
+		</method>
+		<method name="get_instance_base_type" qualifiers="const">
+			<return type="String">
+			</return>
+			<description>
+			</description>
+		</method>
 		<method name="get_source_code" qualifiers="const">
 			<return type="String">
 			</return>
diff --git a/doc/classes/Semaphore.xml b/doc/classes/Semaphore.xml
index d8deb9651a..c8206ff2c2 100644
--- a/doc/classes/Semaphore.xml
+++ b/doc/classes/Semaphore.xml
@@ -4,7 +4,7 @@
 		A synchronization Semaphore.
 	</brief_description>
 	<description>
-		A synchronization Semaphore. Element used in multi-threadding. Initialized to zero on creation.
+		A synchronization Semaphore. Element used to synchronize multiple [Thread]s. Initialized to zero on creation. Be careful to avoid deadlocks. For a binary version, see [Mutex].
 	</description>
 	<tutorials>
 	</tutorials>
@@ -15,14 +15,14 @@
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Lowers the [code]Semaphore[/code], allowing one more thread in.
+				Lowers the [code]Semaphore[/code], allowing one more thread in. Returns [OK] on success, [ERR_BUSY] otherwise.
 			</description>
 		</method>
 		<method name="wait">
 			<return type="int" enum="Error">
 			</return>
 			<description>
-				Tries to wait for the [code]Semaphore[/code], if its value is zero, blocks until non-zero.
+				Tries to wait for the [code]Semaphore[/code], if its value is zero, blocks until non-zero. Returns [OK] on success, [ERR_BUSY] otherwise.
 			</description>
 		</method>
 	</methods>