diff --git a/protocol/cpp/include/solarxr_protocol/generated/all_generated.h b/protocol/cpp/include/solarxr_protocol/generated/all_generated.h
index b5e47225..113a1500 100644
--- a/protocol/cpp/include/solarxr_protocol/generated/all_generated.h
+++ b/protocol/cpp/include/solarxr_protocol/generated/all_generated.h
@@ -613,11 +613,41 @@ enum class BodyPart : uint8_t {
   UPPER_CHEST = 22,
   LEFT_HIP = 23,
   RIGHT_HIP = 24,
+  LEFT_THUMB_PROXIMAL = 25,
+  LEFT_THUMB_INTERMEDIATE = 26,
+  LEFT_THUMB_DISTAL = 27,
+  LEFT_INDEX_PROXIMAL = 28,
+  LEFT_INDEX_INTERMEDIATE = 29,
+  LEFT_INDEX_DISTAL = 30,
+  LEFT_MIDDLE_PROXIMAL = 31,
+  LEFT_MIDDLE_INTERMEDIATE = 32,
+  LEFT_MIDDLE_DISTAL = 33,
+  LEFT_RING_PROXIMAL = 34,
+  LEFT_RING_INTERMEDIATE = 35,
+  LEFT_RING_DISTAL = 36,
+  LEFT_LITTLE_PROXIMAL = 37,
+  LEFT_LITTLE_INTERMEDIATE = 38,
+  LEFT_LITTLE_DISTAL = 39,
+  RIGHT_THUMB_PROXIMAL = 40,
+  RIGHT_THUMB_INTERMEDIATE = 41,
+  RIGHT_THUMB_DISTAL = 42,
+  RIGHT_INDEX_PROXIMAL = 43,
+  RIGHT_INDEX_INTERMEDIATE = 44,
+  RIGHT_INDEX_DISTAL = 45,
+  RIGHT_MIDDLE_PROXIMAL = 46,
+  RIGHT_MIDDLE_INTERMEDIATE = 47,
+  RIGHT_MIDDLE_DISTAL = 48,
+  RIGHT_RING_PROXIMAL = 49,
+  RIGHT_RING_INTERMEDIATE = 50,
+  RIGHT_RING_DISTAL = 51,
+  RIGHT_LITTLE_PROXIMAL = 52,
+  RIGHT_LITTLE_INTERMEDIATE = 53,
+  RIGHT_LITTLE_DISTAL = 54,
   MIN = NONE,
-  MAX = RIGHT_HIP
+  MAX = RIGHT_LITTLE_DISTAL
 };
 
-inline const BodyPart (&EnumValuesBodyPart())[23] {
+inline const BodyPart (&EnumValuesBodyPart())[53] {
   static const BodyPart values[] = {
     BodyPart::NONE,
     BodyPart::HEAD,
@@ -641,13 +671,43 @@ inline const BodyPart (&EnumValuesBodyPart())[23] {
     BodyPart::RIGHT_SHOULDER,
     BodyPart::UPPER_CHEST,
     BodyPart::LEFT_HIP,
-    BodyPart::RIGHT_HIP
+    BodyPart::RIGHT_HIP,
+    BodyPart::LEFT_THUMB_PROXIMAL,
+    BodyPart::LEFT_THUMB_INTERMEDIATE,
+    BodyPart::LEFT_THUMB_DISTAL,
+    BodyPart::LEFT_INDEX_PROXIMAL,
+    BodyPart::LEFT_INDEX_INTERMEDIATE,
+    BodyPart::LEFT_INDEX_DISTAL,
+    BodyPart::LEFT_MIDDLE_PROXIMAL,
+    BodyPart::LEFT_MIDDLE_INTERMEDIATE,
+    BodyPart::LEFT_MIDDLE_DISTAL,
+    BodyPart::LEFT_RING_PROXIMAL,
+    BodyPart::LEFT_RING_INTERMEDIATE,
+    BodyPart::LEFT_RING_DISTAL,
+    BodyPart::LEFT_LITTLE_PROXIMAL,
+    BodyPart::LEFT_LITTLE_INTERMEDIATE,
+    BodyPart::LEFT_LITTLE_DISTAL,
+    BodyPart::RIGHT_THUMB_PROXIMAL,
+    BodyPart::RIGHT_THUMB_INTERMEDIATE,
+    BodyPart::RIGHT_THUMB_DISTAL,
+    BodyPart::RIGHT_INDEX_PROXIMAL,
+    BodyPart::RIGHT_INDEX_INTERMEDIATE,
+    BodyPart::RIGHT_INDEX_DISTAL,
+    BodyPart::RIGHT_MIDDLE_PROXIMAL,
+    BodyPart::RIGHT_MIDDLE_INTERMEDIATE,
+    BodyPart::RIGHT_MIDDLE_DISTAL,
+    BodyPart::RIGHT_RING_PROXIMAL,
+    BodyPart::RIGHT_RING_INTERMEDIATE,
+    BodyPart::RIGHT_RING_DISTAL,
+    BodyPart::RIGHT_LITTLE_PROXIMAL,
+    BodyPart::RIGHT_LITTLE_INTERMEDIATE,
+    BodyPart::RIGHT_LITTLE_DISTAL
   };
   return values;
 }
 
 inline const char * const *EnumNamesBodyPart() {
-  static const char * const names[26] = {
+  static const char * const names[56] = {
     "NONE",
     "HEAD",
     "NECK",
@@ -673,13 +733,43 @@ inline const char * const *EnumNamesBodyPart() {
     "UPPER_CHEST",
     "LEFT_HIP",
     "RIGHT_HIP",
+    "LEFT_THUMB_PROXIMAL",
+    "LEFT_THUMB_INTERMEDIATE",
+    "LEFT_THUMB_DISTAL",
+    "LEFT_INDEX_PROXIMAL",
+    "LEFT_INDEX_INTERMEDIATE",
+    "LEFT_INDEX_DISTAL",
+    "LEFT_MIDDLE_PROXIMAL",
+    "LEFT_MIDDLE_INTERMEDIATE",
+    "LEFT_MIDDLE_DISTAL",
+    "LEFT_RING_PROXIMAL",
+    "LEFT_RING_INTERMEDIATE",
+    "LEFT_RING_DISTAL",
+    "LEFT_LITTLE_PROXIMAL",
+    "LEFT_LITTLE_INTERMEDIATE",
+    "LEFT_LITTLE_DISTAL",
+    "RIGHT_THUMB_PROXIMAL",
+    "RIGHT_THUMB_INTERMEDIATE",
+    "RIGHT_THUMB_DISTAL",
+    "RIGHT_INDEX_PROXIMAL",
+    "RIGHT_INDEX_INTERMEDIATE",
+    "RIGHT_INDEX_DISTAL",
+    "RIGHT_MIDDLE_PROXIMAL",
+    "RIGHT_MIDDLE_INTERMEDIATE",
+    "RIGHT_MIDDLE_DISTAL",
+    "RIGHT_RING_PROXIMAL",
+    "RIGHT_RING_INTERMEDIATE",
+    "RIGHT_RING_DISTAL",
+    "RIGHT_LITTLE_PROXIMAL",
+    "RIGHT_LITTLE_INTERMEDIATE",
+    "RIGHT_LITTLE_DISTAL",
     nullptr
   };
   return names;
 }
 
 inline const char *EnumNameBodyPart(BodyPart e) {
-  if (flatbuffers::IsOutRange(e, BodyPart::NONE, BodyPart::RIGHT_HIP)) return "";
+  if (flatbuffers::IsOutRange(e, BodyPart::NONE, BodyPart::RIGHT_LITTLE_DISTAL)) return "";
   const size_t index = static_cast<size_t>(e);
   return EnumNamesBodyPart()[index];
 }
diff --git a/protocol/java/src/solarxr_protocol/datatypes/BodyPart.java b/protocol/java/src/solarxr_protocol/datatypes/BodyPart.java
index b7ba54d1..19d73d1c 100644
--- a/protocol/java/src/solarxr_protocol/datatypes/BodyPart.java
+++ b/protocol/java/src/solarxr_protocol/datatypes/BodyPart.java
@@ -32,8 +32,38 @@ private BodyPart() { }
   public static final int UPPER_CHEST = 22;
   public static final int LEFT_HIP = 23;
   public static final int RIGHT_HIP = 24;
+  public static final int LEFT_THUMB_PROXIMAL = 25;
+  public static final int LEFT_THUMB_INTERMEDIATE = 26;
+  public static final int LEFT_THUMB_DISTAL = 27;
+  public static final int LEFT_INDEX_PROXIMAL = 28;
+  public static final int LEFT_INDEX_INTERMEDIATE = 29;
+  public static final int LEFT_INDEX_DISTAL = 30;
+  public static final int LEFT_MIDDLE_PROXIMAL = 31;
+  public static final int LEFT_MIDDLE_INTERMEDIATE = 32;
+  public static final int LEFT_MIDDLE_DISTAL = 33;
+  public static final int LEFT_RING_PROXIMAL = 34;
+  public static final int LEFT_RING_INTERMEDIATE = 35;
+  public static final int LEFT_RING_DISTAL = 36;
+  public static final int LEFT_LITTLE_PROXIMAL = 37;
+  public static final int LEFT_LITTLE_INTERMEDIATE = 38;
+  public static final int LEFT_LITTLE_DISTAL = 39;
+  public static final int RIGHT_THUMB_PROXIMAL = 40;
+  public static final int RIGHT_THUMB_INTERMEDIATE = 41;
+  public static final int RIGHT_THUMB_DISTAL = 42;
+  public static final int RIGHT_INDEX_PROXIMAL = 43;
+  public static final int RIGHT_INDEX_INTERMEDIATE = 44;
+  public static final int RIGHT_INDEX_DISTAL = 45;
+  public static final int RIGHT_MIDDLE_PROXIMAL = 46;
+  public static final int RIGHT_MIDDLE_INTERMEDIATE = 47;
+  public static final int RIGHT_MIDDLE_DISTAL = 48;
+  public static final int RIGHT_RING_PROXIMAL = 49;
+  public static final int RIGHT_RING_INTERMEDIATE = 50;
+  public static final int RIGHT_RING_DISTAL = 51;
+  public static final int RIGHT_LITTLE_PROXIMAL = 52;
+  public static final int RIGHT_LITTLE_INTERMEDIATE = 53;
+  public static final int RIGHT_LITTLE_DISTAL = 54;
 
-  public static final String[] names = { "NONE", "HEAD", "NECK", "CHEST", "WAIST", "HIP", "LEFT_UPPER_LEG", "RIGHT_UPPER_LEG", "LEFT_LOWER_LEG", "RIGHT_LOWER_LEG", "LEFT_FOOT", "RIGHT_FOOT", "", "", "LEFT_LOWER_ARM", "RIGHT_LOWER_ARM", "LEFT_UPPER_ARM", "RIGHT_UPPER_ARM", "LEFT_HAND", "RIGHT_HAND", "LEFT_SHOULDER", "RIGHT_SHOULDER", "UPPER_CHEST", "LEFT_HIP", "RIGHT_HIP", };
+  public static final String[] names = { "NONE", "HEAD", "NECK", "CHEST", "WAIST", "HIP", "LEFT_UPPER_LEG", "RIGHT_UPPER_LEG", "LEFT_LOWER_LEG", "RIGHT_LOWER_LEG", "LEFT_FOOT", "RIGHT_FOOT", "", "", "LEFT_LOWER_ARM", "RIGHT_LOWER_ARM", "LEFT_UPPER_ARM", "RIGHT_UPPER_ARM", "LEFT_HAND", "RIGHT_HAND", "LEFT_SHOULDER", "RIGHT_SHOULDER", "UPPER_CHEST", "LEFT_HIP", "RIGHT_HIP", "LEFT_THUMB_PROXIMAL", "LEFT_THUMB_INTERMEDIATE", "LEFT_THUMB_DISTAL", "LEFT_INDEX_PROXIMAL", "LEFT_INDEX_INTERMEDIATE", "LEFT_INDEX_DISTAL", "LEFT_MIDDLE_PROXIMAL", "LEFT_MIDDLE_INTERMEDIATE", "LEFT_MIDDLE_DISTAL", "LEFT_RING_PROXIMAL", "LEFT_RING_INTERMEDIATE", "LEFT_RING_DISTAL", "LEFT_LITTLE_PROXIMAL", "LEFT_LITTLE_INTERMEDIATE", "LEFT_LITTLE_DISTAL", "RIGHT_THUMB_PROXIMAL", "RIGHT_THUMB_INTERMEDIATE", "RIGHT_THUMB_DISTAL", "RIGHT_INDEX_PROXIMAL", "RIGHT_INDEX_INTERMEDIATE", "RIGHT_INDEX_DISTAL", "RIGHT_MIDDLE_PROXIMAL", "RIGHT_MIDDLE_INTERMEDIATE", "RIGHT_MIDDLE_DISTAL", "RIGHT_RING_PROXIMAL", "RIGHT_RING_INTERMEDIATE", "RIGHT_RING_DISTAL", "RIGHT_LITTLE_PROXIMAL", "RIGHT_LITTLE_INTERMEDIATE", "RIGHT_LITTLE_DISTAL", };
 
   public static String name(int e) { return names[e]; }
 }
diff --git a/protocol/kotlin/src/solarxr_protocol/datatypes/BodyPart.kt b/protocol/kotlin/src/solarxr_protocol/datatypes/BodyPart.kt
index 14734b12..3c106688 100644
--- a/protocol/kotlin/src/solarxr_protocol/datatypes/BodyPart.kt
+++ b/protocol/kotlin/src/solarxr_protocol/datatypes/BodyPart.kt
@@ -32,7 +32,37 @@ class BodyPart private constructor() {
         const val UPPERCHEST: UByte = 22u
         const val LEFTHIP: UByte = 23u
         const val RIGHTHIP: UByte = 24u
-        val names : Array<String> = arrayOf("NONE", "HEAD", "NECK", "CHEST", "WAIST", "HIP", "LEFT_UPPER_LEG", "RIGHT_UPPER_LEG", "LEFT_LOWER_LEG", "RIGHT_LOWER_LEG", "LEFT_FOOT", "RIGHT_FOOT", "", "", "LEFT_LOWER_ARM", "RIGHT_LOWER_ARM", "LEFT_UPPER_ARM", "RIGHT_UPPER_ARM", "LEFT_HAND", "RIGHT_HAND", "LEFT_SHOULDER", "RIGHT_SHOULDER", "UPPER_CHEST", "LEFT_HIP", "RIGHT_HIP")
+        const val LEFTTHUMBPROXIMAL: UByte = 25u
+        const val LEFTTHUMBINTERMEDIATE: UByte = 26u
+        const val LEFTTHUMBDISTAL: UByte = 27u
+        const val LEFTINDEXPROXIMAL: UByte = 28u
+        const val LEFTINDEXINTERMEDIATE: UByte = 29u
+        const val LEFTINDEXDISTAL: UByte = 30u
+        const val LEFTMIDDLEPROXIMAL: UByte = 31u
+        const val LEFTMIDDLEINTERMEDIATE: UByte = 32u
+        const val LEFTMIDDLEDISTAL: UByte = 33u
+        const val LEFTRINGPROXIMAL: UByte = 34u
+        const val LEFTRINGINTERMEDIATE: UByte = 35u
+        const val LEFTRINGDISTAL: UByte = 36u
+        const val LEFTLITTLEPROXIMAL: UByte = 37u
+        const val LEFTLITTLEINTERMEDIATE: UByte = 38u
+        const val LEFTLITTLEDISTAL: UByte = 39u
+        const val RIGHTTHUMBPROXIMAL: UByte = 40u
+        const val RIGHTTHUMBINTERMEDIATE: UByte = 41u
+        const val RIGHTTHUMBDISTAL: UByte = 42u
+        const val RIGHTINDEXPROXIMAL: UByte = 43u
+        const val RIGHTINDEXINTERMEDIATE: UByte = 44u
+        const val RIGHTINDEXDISTAL: UByte = 45u
+        const val RIGHTMIDDLEPROXIMAL: UByte = 46u
+        const val RIGHTMIDDLEINTERMEDIATE: UByte = 47u
+        const val RIGHTMIDDLEDISTAL: UByte = 48u
+        const val RIGHTRINGPROXIMAL: UByte = 49u
+        const val RIGHTRINGINTERMEDIATE: UByte = 50u
+        const val RIGHTRINGDISTAL: UByte = 51u
+        const val RIGHTLITTLEPROXIMAL: UByte = 52u
+        const val RIGHTLITTLEINTERMEDIATE: UByte = 53u
+        const val RIGHTLITTLEDISTAL: UByte = 54u
+        val names : Array<String> = arrayOf("NONE", "HEAD", "NECK", "CHEST", "WAIST", "HIP", "LEFT_UPPER_LEG", "RIGHT_UPPER_LEG", "LEFT_LOWER_LEG", "RIGHT_LOWER_LEG", "LEFT_FOOT", "RIGHT_FOOT", "", "", "LEFT_LOWER_ARM", "RIGHT_LOWER_ARM", "LEFT_UPPER_ARM", "RIGHT_UPPER_ARM", "LEFT_HAND", "RIGHT_HAND", "LEFT_SHOULDER", "RIGHT_SHOULDER", "UPPER_CHEST", "LEFT_HIP", "RIGHT_HIP", "LEFT_THUMB_PROXIMAL", "LEFT_THUMB_INTERMEDIATE", "LEFT_THUMB_DISTAL", "LEFT_INDEX_PROXIMAL", "LEFT_INDEX_INTERMEDIATE", "LEFT_INDEX_DISTAL", "LEFT_MIDDLE_PROXIMAL", "LEFT_MIDDLE_INTERMEDIATE", "LEFT_MIDDLE_DISTAL", "LEFT_RING_PROXIMAL", "LEFT_RING_INTERMEDIATE", "LEFT_RING_DISTAL", "LEFT_LITTLE_PROXIMAL", "LEFT_LITTLE_INTERMEDIATE", "LEFT_LITTLE_DISTAL", "RIGHT_THUMB_PROXIMAL", "RIGHT_THUMB_INTERMEDIATE", "RIGHT_THUMB_DISTAL", "RIGHT_INDEX_PROXIMAL", "RIGHT_INDEX_INTERMEDIATE", "RIGHT_INDEX_DISTAL", "RIGHT_MIDDLE_PROXIMAL", "RIGHT_MIDDLE_INTERMEDIATE", "RIGHT_MIDDLE_DISTAL", "RIGHT_RING_PROXIMAL", "RIGHT_RING_INTERMEDIATE", "RIGHT_RING_DISTAL", "RIGHT_LITTLE_PROXIMAL", "RIGHT_LITTLE_INTERMEDIATE", "RIGHT_LITTLE_DISTAL")
         @JvmStatic
         fun name(e: Int) : String = names[e]
     }
diff --git a/protocol/rust/src/generated/solarxr_protocol/datatypes/body_part_generated.rs b/protocol/rust/src/generated/solarxr_protocol/datatypes/body_part_generated.rs
index 2f988983..7d54112f 100644
--- a/protocol/rust/src/generated/solarxr_protocol/datatypes/body_part_generated.rs
+++ b/protocol/rust/src/generated/solarxr_protocol/datatypes/body_part_generated.rs
@@ -12,10 +12,10 @@ use super::*;
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 pub const ENUM_MIN_BODY_PART: u8 = 0;
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
-pub const ENUM_MAX_BODY_PART: u8 = 24;
+pub const ENUM_MAX_BODY_PART: u8 = 54;
 #[deprecated(since = "2.0.0", note = "Use associated constants instead. This will no longer be generated in 2021.")]
 #[allow(non_camel_case_types)]
-pub const ENUM_VALUES_BODY_PART: [BodyPart; 23] = [
+pub const ENUM_VALUES_BODY_PART: [BodyPart; 53] = [
   BodyPart::NONE,
   BodyPart::HEAD,
   BodyPart::NECK,
@@ -39,6 +39,36 @@ pub const ENUM_VALUES_BODY_PART: [BodyPart; 23] = [
   BodyPart::UPPER_CHEST,
   BodyPart::LEFT_HIP,
   BodyPart::RIGHT_HIP,
+  BodyPart::LEFT_THUMB_PROXIMAL,
+  BodyPart::LEFT_THUMB_INTERMEDIATE,
+  BodyPart::LEFT_THUMB_DISTAL,
+  BodyPart::LEFT_INDEX_PROXIMAL,
+  BodyPart::LEFT_INDEX_INTERMEDIATE,
+  BodyPart::LEFT_INDEX_DISTAL,
+  BodyPart::LEFT_MIDDLE_PROXIMAL,
+  BodyPart::LEFT_MIDDLE_INTERMEDIATE,
+  BodyPart::LEFT_MIDDLE_DISTAL,
+  BodyPart::LEFT_RING_PROXIMAL,
+  BodyPart::LEFT_RING_INTERMEDIATE,
+  BodyPart::LEFT_RING_DISTAL,
+  BodyPart::LEFT_LITTLE_PROXIMAL,
+  BodyPart::LEFT_LITTLE_INTERMEDIATE,
+  BodyPart::LEFT_LITTLE_DISTAL,
+  BodyPart::RIGHT_THUMB_PROXIMAL,
+  BodyPart::RIGHT_THUMB_INTERMEDIATE,
+  BodyPart::RIGHT_THUMB_DISTAL,
+  BodyPart::RIGHT_INDEX_PROXIMAL,
+  BodyPart::RIGHT_INDEX_INTERMEDIATE,
+  BodyPart::RIGHT_INDEX_DISTAL,
+  BodyPart::RIGHT_MIDDLE_PROXIMAL,
+  BodyPart::RIGHT_MIDDLE_INTERMEDIATE,
+  BodyPart::RIGHT_MIDDLE_DISTAL,
+  BodyPart::RIGHT_RING_PROXIMAL,
+  BodyPart::RIGHT_RING_INTERMEDIATE,
+  BodyPart::RIGHT_RING_DISTAL,
+  BodyPart::RIGHT_LITTLE_PROXIMAL,
+  BodyPart::RIGHT_LITTLE_INTERMEDIATE,
+  BodyPart::RIGHT_LITTLE_DISTAL,
 ];
 
 /// Different parts of the body. Maps to each possible non-tracker bone in the skeleton.
@@ -71,9 +101,39 @@ impl BodyPart {
   pub const UPPER_CHEST: Self = Self(22);
   pub const LEFT_HIP: Self = Self(23);
   pub const RIGHT_HIP: Self = Self(24);
+  pub const LEFT_THUMB_PROXIMAL: Self = Self(25);
+  pub const LEFT_THUMB_INTERMEDIATE: Self = Self(26);
+  pub const LEFT_THUMB_DISTAL: Self = Self(27);
+  pub const LEFT_INDEX_PROXIMAL: Self = Self(28);
+  pub const LEFT_INDEX_INTERMEDIATE: Self = Self(29);
+  pub const LEFT_INDEX_DISTAL: Self = Self(30);
+  pub const LEFT_MIDDLE_PROXIMAL: Self = Self(31);
+  pub const LEFT_MIDDLE_INTERMEDIATE: Self = Self(32);
+  pub const LEFT_MIDDLE_DISTAL: Self = Self(33);
+  pub const LEFT_RING_PROXIMAL: Self = Self(34);
+  pub const LEFT_RING_INTERMEDIATE: Self = Self(35);
+  pub const LEFT_RING_DISTAL: Self = Self(36);
+  pub const LEFT_LITTLE_PROXIMAL: Self = Self(37);
+  pub const LEFT_LITTLE_INTERMEDIATE: Self = Self(38);
+  pub const LEFT_LITTLE_DISTAL: Self = Self(39);
+  pub const RIGHT_THUMB_PROXIMAL: Self = Self(40);
+  pub const RIGHT_THUMB_INTERMEDIATE: Self = Self(41);
+  pub const RIGHT_THUMB_DISTAL: Self = Self(42);
+  pub const RIGHT_INDEX_PROXIMAL: Self = Self(43);
+  pub const RIGHT_INDEX_INTERMEDIATE: Self = Self(44);
+  pub const RIGHT_INDEX_DISTAL: Self = Self(45);
+  pub const RIGHT_MIDDLE_PROXIMAL: Self = Self(46);
+  pub const RIGHT_MIDDLE_INTERMEDIATE: Self = Self(47);
+  pub const RIGHT_MIDDLE_DISTAL: Self = Self(48);
+  pub const RIGHT_RING_PROXIMAL: Self = Self(49);
+  pub const RIGHT_RING_INTERMEDIATE: Self = Self(50);
+  pub const RIGHT_RING_DISTAL: Self = Self(51);
+  pub const RIGHT_LITTLE_PROXIMAL: Self = Self(52);
+  pub const RIGHT_LITTLE_INTERMEDIATE: Self = Self(53);
+  pub const RIGHT_LITTLE_DISTAL: Self = Self(54);
 
   pub const ENUM_MIN: u8 = 0;
-  pub const ENUM_MAX: u8 = 24;
+  pub const ENUM_MAX: u8 = 54;
   pub const ENUM_VALUES: &'static [Self] = &[
     Self::NONE,
     Self::HEAD,
@@ -98,6 +158,36 @@ impl BodyPart {
     Self::UPPER_CHEST,
     Self::LEFT_HIP,
     Self::RIGHT_HIP,
+    Self::LEFT_THUMB_PROXIMAL,
+    Self::LEFT_THUMB_INTERMEDIATE,
+    Self::LEFT_THUMB_DISTAL,
+    Self::LEFT_INDEX_PROXIMAL,
+    Self::LEFT_INDEX_INTERMEDIATE,
+    Self::LEFT_INDEX_DISTAL,
+    Self::LEFT_MIDDLE_PROXIMAL,
+    Self::LEFT_MIDDLE_INTERMEDIATE,
+    Self::LEFT_MIDDLE_DISTAL,
+    Self::LEFT_RING_PROXIMAL,
+    Self::LEFT_RING_INTERMEDIATE,
+    Self::LEFT_RING_DISTAL,
+    Self::LEFT_LITTLE_PROXIMAL,
+    Self::LEFT_LITTLE_INTERMEDIATE,
+    Self::LEFT_LITTLE_DISTAL,
+    Self::RIGHT_THUMB_PROXIMAL,
+    Self::RIGHT_THUMB_INTERMEDIATE,
+    Self::RIGHT_THUMB_DISTAL,
+    Self::RIGHT_INDEX_PROXIMAL,
+    Self::RIGHT_INDEX_INTERMEDIATE,
+    Self::RIGHT_INDEX_DISTAL,
+    Self::RIGHT_MIDDLE_PROXIMAL,
+    Self::RIGHT_MIDDLE_INTERMEDIATE,
+    Self::RIGHT_MIDDLE_DISTAL,
+    Self::RIGHT_RING_PROXIMAL,
+    Self::RIGHT_RING_INTERMEDIATE,
+    Self::RIGHT_RING_DISTAL,
+    Self::RIGHT_LITTLE_PROXIMAL,
+    Self::RIGHT_LITTLE_INTERMEDIATE,
+    Self::RIGHT_LITTLE_DISTAL,
   ];
   /// Returns the variant's name or "" if unknown.
   pub fn variant_name(self) -> Option<&'static str> {
@@ -125,6 +215,36 @@ impl BodyPart {
       Self::UPPER_CHEST => Some("UPPER_CHEST"),
       Self::LEFT_HIP => Some("LEFT_HIP"),
       Self::RIGHT_HIP => Some("RIGHT_HIP"),
+      Self::LEFT_THUMB_PROXIMAL => Some("LEFT_THUMB_PROXIMAL"),
+      Self::LEFT_THUMB_INTERMEDIATE => Some("LEFT_THUMB_INTERMEDIATE"),
+      Self::LEFT_THUMB_DISTAL => Some("LEFT_THUMB_DISTAL"),
+      Self::LEFT_INDEX_PROXIMAL => Some("LEFT_INDEX_PROXIMAL"),
+      Self::LEFT_INDEX_INTERMEDIATE => Some("LEFT_INDEX_INTERMEDIATE"),
+      Self::LEFT_INDEX_DISTAL => Some("LEFT_INDEX_DISTAL"),
+      Self::LEFT_MIDDLE_PROXIMAL => Some("LEFT_MIDDLE_PROXIMAL"),
+      Self::LEFT_MIDDLE_INTERMEDIATE => Some("LEFT_MIDDLE_INTERMEDIATE"),
+      Self::LEFT_MIDDLE_DISTAL => Some("LEFT_MIDDLE_DISTAL"),
+      Self::LEFT_RING_PROXIMAL => Some("LEFT_RING_PROXIMAL"),
+      Self::LEFT_RING_INTERMEDIATE => Some("LEFT_RING_INTERMEDIATE"),
+      Self::LEFT_RING_DISTAL => Some("LEFT_RING_DISTAL"),
+      Self::LEFT_LITTLE_PROXIMAL => Some("LEFT_LITTLE_PROXIMAL"),
+      Self::LEFT_LITTLE_INTERMEDIATE => Some("LEFT_LITTLE_INTERMEDIATE"),
+      Self::LEFT_LITTLE_DISTAL => Some("LEFT_LITTLE_DISTAL"),
+      Self::RIGHT_THUMB_PROXIMAL => Some("RIGHT_THUMB_PROXIMAL"),
+      Self::RIGHT_THUMB_INTERMEDIATE => Some("RIGHT_THUMB_INTERMEDIATE"),
+      Self::RIGHT_THUMB_DISTAL => Some("RIGHT_THUMB_DISTAL"),
+      Self::RIGHT_INDEX_PROXIMAL => Some("RIGHT_INDEX_PROXIMAL"),
+      Self::RIGHT_INDEX_INTERMEDIATE => Some("RIGHT_INDEX_INTERMEDIATE"),
+      Self::RIGHT_INDEX_DISTAL => Some("RIGHT_INDEX_DISTAL"),
+      Self::RIGHT_MIDDLE_PROXIMAL => Some("RIGHT_MIDDLE_PROXIMAL"),
+      Self::RIGHT_MIDDLE_INTERMEDIATE => Some("RIGHT_MIDDLE_INTERMEDIATE"),
+      Self::RIGHT_MIDDLE_DISTAL => Some("RIGHT_MIDDLE_DISTAL"),
+      Self::RIGHT_RING_PROXIMAL => Some("RIGHT_RING_PROXIMAL"),
+      Self::RIGHT_RING_INTERMEDIATE => Some("RIGHT_RING_INTERMEDIATE"),
+      Self::RIGHT_RING_DISTAL => Some("RIGHT_RING_DISTAL"),
+      Self::RIGHT_LITTLE_PROXIMAL => Some("RIGHT_LITTLE_PROXIMAL"),
+      Self::RIGHT_LITTLE_INTERMEDIATE => Some("RIGHT_LITTLE_INTERMEDIATE"),
+      Self::RIGHT_LITTLE_DISTAL => Some("RIGHT_LITTLE_DISTAL"),
       _ => None,
     }
   }
diff --git a/protocol/typescript/src/solarxr-protocol/datatypes/body-part.ts b/protocol/typescript/src/solarxr-protocol/datatypes/body-part.ts
index 66bfe303..a8bba48e 100644
--- a/protocol/typescript/src/solarxr-protocol/datatypes/body-part.ts
+++ b/protocol/typescript/src/solarxr-protocol/datatypes/body-part.ts
@@ -27,5 +27,35 @@ export enum BodyPart {
   RIGHT_SHOULDER = 21,
   UPPER_CHEST = 22,
   LEFT_HIP = 23,
-  RIGHT_HIP = 24
+  RIGHT_HIP = 24,
+  LEFT_THUMB_PROXIMAL = 25,
+  LEFT_THUMB_INTERMEDIATE = 26,
+  LEFT_THUMB_DISTAL = 27,
+  LEFT_INDEX_PROXIMAL = 28,
+  LEFT_INDEX_INTERMEDIATE = 29,
+  LEFT_INDEX_DISTAL = 30,
+  LEFT_MIDDLE_PROXIMAL = 31,
+  LEFT_MIDDLE_INTERMEDIATE = 32,
+  LEFT_MIDDLE_DISTAL = 33,
+  LEFT_RING_PROXIMAL = 34,
+  LEFT_RING_INTERMEDIATE = 35,
+  LEFT_RING_DISTAL = 36,
+  LEFT_LITTLE_PROXIMAL = 37,
+  LEFT_LITTLE_INTERMEDIATE = 38,
+  LEFT_LITTLE_DISTAL = 39,
+  RIGHT_THUMB_PROXIMAL = 40,
+  RIGHT_THUMB_INTERMEDIATE = 41,
+  RIGHT_THUMB_DISTAL = 42,
+  RIGHT_INDEX_PROXIMAL = 43,
+  RIGHT_INDEX_INTERMEDIATE = 44,
+  RIGHT_INDEX_DISTAL = 45,
+  RIGHT_MIDDLE_PROXIMAL = 46,
+  RIGHT_MIDDLE_INTERMEDIATE = 47,
+  RIGHT_MIDDLE_DISTAL = 48,
+  RIGHT_RING_PROXIMAL = 49,
+  RIGHT_RING_INTERMEDIATE = 50,
+  RIGHT_RING_DISTAL = 51,
+  RIGHT_LITTLE_PROXIMAL = 52,
+  RIGHT_LITTLE_INTERMEDIATE = 53,
+  RIGHT_LITTLE_DISTAL = 54
 }
diff --git a/schema/datatypes/datatypes.fbs b/schema/datatypes/datatypes.fbs
index d5ebbe06..62c7376f 100644
--- a/schema/datatypes/datatypes.fbs
+++ b/schema/datatypes/datatypes.fbs
@@ -121,6 +121,36 @@ enum BodyPart: uint8 {
     UPPER_CHEST = 22,
     LEFT_HIP = 23,
     RIGHT_HIP = 24,
+    LEFT_THUMB_PROXIMAL = 25,
+    LEFT_THUMB_INTERMEDIATE = 26,
+    LEFT_THUMB_DISTAL = 27,
+    LEFT_INDEX_PROXIMAL = 28,
+    LEFT_INDEX_INTERMEDIATE = 29,
+    LEFT_INDEX_DISTAL = 30,
+    LEFT_MIDDLE_PROXIMAL = 31,
+    LEFT_MIDDLE_INTERMEDIATE = 32,
+    LEFT_MIDDLE_DISTAL = 33,
+    LEFT_RING_PROXIMAL = 34,
+    LEFT_RING_INTERMEDIATE = 35,
+    LEFT_RING_DISTAL = 36,
+    LEFT_LITTLE_PROXIMAL = 37,
+    LEFT_LITTLE_INTERMEDIATE = 38,
+    LEFT_LITTLE_DISTAL = 39,
+    RIGHT_THUMB_PROXIMAL = 40,
+    RIGHT_THUMB_INTERMEDIATE = 41,
+    RIGHT_THUMB_DISTAL = 42,
+    RIGHT_INDEX_PROXIMAL = 43,
+    RIGHT_INDEX_INTERMEDIATE = 44,
+    RIGHT_INDEX_DISTAL = 45,
+    RIGHT_MIDDLE_PROXIMAL = 46,
+    RIGHT_MIDDLE_INTERMEDIATE = 47,
+    RIGHT_MIDDLE_DISTAL = 48,
+    RIGHT_RING_PROXIMAL = 49,
+    RIGHT_RING_INTERMEDIATE = 50,
+    RIGHT_RING_DISTAL = 51,
+    RIGHT_LITTLE_PROXIMAL = 52,
+    RIGHT_LITTLE_INTERMEDIATE = 53,
+    RIGHT_LITTLE_DISTAL = 54,
 }
 
 enum TrackerStatus: uint8 {