diff --git a/biometrics/common/aidl/Android.bp b/biometrics/common/aidl/Android.bp
index 167e0c7..3cd76fd 100644
--- a/biometrics/common/aidl/Android.bp
+++ b/biometrics/common/aidl/Android.bp
@@ -31,7 +31,5 @@
             version: "2",
             imports: [],
         },
-
     ],
-
 }
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
index d4433c5..1eb8541 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/CommonProps.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @VintfStability
 parcelable CommonProps {
   int sensorId;
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ComponentInfo.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ComponentInfo.aidl
index ad11dda..471ed2b 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ComponentInfo.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ComponentInfo.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @VintfStability
 parcelable ComponentInfo {
   String componentId;
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ICancellationSignal.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ICancellationSignal.aidl
index 2bc6a6d..670114f 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ICancellationSignal.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/ICancellationSignal.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @VintfStability
 interface ICancellationSignal {
   oneway void cancel();
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
index 9d1cb8f..5e184bc 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @VintfStability
 parcelable OperationContext {
   int id = 0;
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationReason.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationReason.aidl
index 3da3a6a..a5b2990 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationReason.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationReason.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum OperationReason {
   UNKNOWN = 0,
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
index 6675d09..aa77322 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/SensorStrength.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.common;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum SensorStrength {
   CONVENIENCE = 0,
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl
index 2f5af5d..cdedf4f 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/CommonProps.aidl
@@ -18,7 +18,9 @@
 
 import android.hardware.biometrics.common.ComponentInfo;
 import android.hardware.biometrics.common.SensorStrength;
-
+/**
+ * @hide
+ */
 @VintfStability
 parcelable CommonProps {
     /**
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/ComponentInfo.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/ComponentInfo.aidl
index b268eef..1da9cf6 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/ComponentInfo.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/ComponentInfo.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.common;
-
+/**
+ * @hide
+ */
 @VintfStability
 parcelable ComponentInfo {
     /**
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/ICancellationSignal.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/ICancellationSignal.aidl
index 1010256..b9b1f39 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/ICancellationSignal.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/ICancellationSignal.aidl
@@ -15,9 +15,10 @@
  */
 
 package android.hardware.biometrics.common;
-
+/**
+ * @hide
+ */
 @VintfStability
 oneway interface ICancellationSignal {
     void cancel();
 }
-
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
index 72fe660..a1c7a1f 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
@@ -20,6 +20,7 @@
 
 /**
  * Additional context associated with an operation.
+ * @hide
  */
 @VintfStability
 parcelable OperationContext {
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/OperationReason.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/OperationReason.aidl
index abc25ed..a93cebc 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/OperationReason.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/OperationReason.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.common;
-
+/**
+ * @hide
+ */
 @VintfStability
 @Backing(type="byte")
 enum OperationReason {
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl
index 790691c..b5c0999 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/SensorStrength.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.common;
-
+/**
+ * @hide
+ */
 @VintfStability
 @Backing(type="byte")
 enum SensorStrength {
@@ -40,4 +42,4 @@
      * HardwareAuthToken(s).
      */
     STRONG,
-}
\ No newline at end of file
+}
diff --git a/biometrics/common/util/Android.bp b/biometrics/common/util/Android.bp
index 918ef72..b990812 100644
--- a/biometrics/common/util/Android.bp
+++ b/biometrics/common/util/Android.bp
@@ -13,6 +13,6 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
-        "android.hardware.biometrics.common-V2-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
     ],
 }
diff --git a/biometrics/face/aidl/Android.bp b/biometrics/face/aidl/Android.bp
index 0bec0c5..7b11335 100644
--- a/biometrics/face/aidl/Android.bp
+++ b/biometrics/face/aidl/Android.bp
@@ -14,9 +14,9 @@
         "android/hardware/biometrics/face/**/*.aidl",
     ],
     imports: [
-        "android.hardware.biometrics.common",
+        "android.hardware.biometrics.common-V3",
         "android.hardware.common-V2",
-        "android.hardware.keymaster-V3",
+        "android.hardware.keymaster-V4",
     ],
     stability: "vintf",
     backend: {
diff --git a/biometrics/face/aidl/default/Android.bp b/biometrics/face/aidl/default/Android.bp
index 63a3645..876a91f 100644
--- a/biometrics/face/aidl/default/Android.bp
+++ b/biometrics/face/aidl/default/Android.bp
@@ -16,8 +16,8 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
-        "android.hardware.biometrics.face-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
+        "android.hardware.biometrics.face-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
         "android.hardware.biometrics.common.thread",
         "android.hardware.biometrics.common.util",
     ],
@@ -49,9 +49,9 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.face.VirtualProps",
-        "android.hardware.biometrics.face-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.face-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
     vendor: true,
diff --git a/biometrics/face/aidl/default/face-default.xml b/biometrics/face/aidl/default/face-default.xml
index e6ef842..8f2fbb8 100644
--- a/biometrics/face/aidl/default/face-default.xml
+++ b/biometrics/face/aidl/default/face-default.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.biometrics.face</name>
-        <version>2</version>
+        <version>3</version>
         <fqname>IFace/default</fqname>
     </hal>
 </manifest>
diff --git a/biometrics/face/aidl/vts/Android.bp b/biometrics/face/aidl/vts/Android.bp
index 4171ac3..f62c4e4 100644
--- a/biometrics/face/aidl/vts/Android.bp
+++ b/biometrics/face/aidl/vts/Android.bp
@@ -15,10 +15,10 @@
     ],
     srcs: ["VtsHalBiometricsFaceTargetTest.cpp"],
     static_libs: [
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.biometrics.face-V2-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.face-V3-ndk",
         "android.hardware.common-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
     ],
     shared_libs: [
         "libbinder_ndk",
diff --git a/biometrics/fingerprint/aidl/Android.bp b/biometrics/fingerprint/aidl/Android.bp
index 0bd6422..f749822 100644
--- a/biometrics/fingerprint/aidl/Android.bp
+++ b/biometrics/fingerprint/aidl/Android.bp
@@ -14,8 +14,8 @@
         "android/hardware/biometrics/fingerprint/**/*.aidl",
     ],
     imports: [
-        "android.hardware.biometrics.common",
-        "android.hardware.keymaster-V3",
+        "android.hardware.biometrics.common-V3",
+        "android.hardware.keymaster-V4",
     ],
     stability: "vintf",
     backend: {
@@ -41,7 +41,5 @@
                 "android.hardware.keymaster-V3",
             ],
         },
-
     ],
-
 }
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index c51aa03..0cc619f 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum AcquiredInfo {
   UNKNOWN = 0,
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
index af7bc3c..45ce2eb 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum Error {
   UNKNOWN = 0,
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
index 9c208c4..67af20d 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum FingerprintSensorType {
   UNKNOWN = 0,
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl
index 5d3df6f..0b6f300 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/IFingerprint.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @VintfStability
 interface IFingerprint {
   android.hardware.biometrics.fingerprint.SensorProps[] getSensorProps();
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl
index 30f299d..f305855 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISession.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @VintfStability
 interface ISession {
   void generateChallenge();
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
index 3c40ad6..be18ffe 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @VintfStability
 interface ISessionCallback {
   void onChallengeGenerated(in long challenge);
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
index 43db6cf..999b324 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
@@ -32,7 +32,8 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
-@VintfStability
+/* @hide */
+@JavaDerive(equals=true) @VintfStability
 parcelable PointerContext {
   int pointerId = -1;
   float x = 0.000000f;
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorLocation.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorLocation.aidl
index 295fde9..dc6a62d 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorLocation.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorLocation.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @VintfStability
 parcelable SensorLocation {
   int displayId;
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl
index 782d289..a77d5f2 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/SensorProps.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.biometrics.fingerprint;
+/* @hide */
 @VintfStability
 parcelable SensorProps {
   android.hardware.biometrics.common.CommonProps commonProps;
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index 8ec8574..d3aa98a 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.fingerprint;
-
+/**
+ * @hide
+ */
 @VintfStability
 @Backing(type="byte")
 enum AcquiredInfo {
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
index e69859a..d8d47fa 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.fingerprint;
-
+/**
+ * @hide
+ */
 @VintfStability
 @Backing(type="byte")
 enum Error {
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
index dbe7137..7caa154 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/FingerprintSensorType.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.fingerprint;
-
+/**
+ * @hide
+ */
 @VintfStability
 @Backing(type="byte")
 enum FingerprintSensorType {
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl
index 75f90a1..f4febad 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/IFingerprint.aidl
@@ -19,7 +19,9 @@
 import android.hardware.biometrics.fingerprint.ISession;
 import android.hardware.biometrics.fingerprint.ISessionCallback;
 import android.hardware.biometrics.fingerprint.SensorProps;
-
+/**
+ * @hide
+ */
 @VintfStability
 interface IFingerprint {
     /**
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl
index db01145..f4f7804 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISession.aidl
@@ -45,6 +45,7 @@
  * ISession only supports execution of one non-interrupting operation at a time, regardless of
  * whether it's cancellable. The framework must wait for a callback indicating the end of the
  * current non-interrupting operation before a new non-interrupting operation can be started.
+ * @hide
  */
 @VintfStability
 interface ISession {
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
index f699966..24b169e 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/ISessionCallback.aidl
@@ -19,7 +19,9 @@
 import android.hardware.biometrics.fingerprint.AcquiredInfo;
 import android.hardware.biometrics.fingerprint.Error;
 import android.hardware.keymaster.HardwareAuthToken;
-
+/**
+ * @hide
+ */
 @VintfStability
 interface ISessionCallback {
     /**
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
index e025d34..582e6cf 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
@@ -18,7 +18,9 @@
 
 /**
  * Additional context associated with a pointer event.
+ * @hide
  */
+@JavaDerive(equals=true)
 @VintfStability
 parcelable PointerContext {
     /**
@@ -64,7 +66,7 @@
     boolean isAod = false;
 
     /**
-     * The time of the user interaction that produced this event, in milliseconds.
+     * The time when this event was created, in milliseconds.
      *
      * This is obtained from MotionEvent#getEventTime, which uses SystemClock.uptimeMillis() as
      * the clock.
@@ -74,10 +76,10 @@
     long time = 0;
 
     /**
-     * The time of the first user interaction in this gesture, in milliseconds.
+     * This event is part of some gesture. This is the time when MotionEvent#ACTION_DOWN was
+     * created for that gesture, in milliseconds.
      *
-     * If this event is MotionEvent#ACTION_DOWN, it means it's the first event in this gesture,
-     * and `gestureStart` will be equal to `time`.
+     * If this event is MotionEvent#ACTION_DOWN, then this value is equal to `time`.
      *
      * This is obtained from MotionEvent#getDownTime, which uses SystemClock.uptimeMillis() as
      * the clock.
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorLocation.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorLocation.aidl
index d12605c..a065a7c 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorLocation.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorLocation.aidl
@@ -15,7 +15,9 @@
  */
 
 package android.hardware.biometrics.fingerprint;
-
+/**
+ * @hide
+ */
 @VintfStability
 parcelable SensorLocation {
     /**
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
index fb516da..d4e9ec6 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/SensorProps.aidl
@@ -19,7 +19,9 @@
 import android.hardware.biometrics.common.CommonProps;
 import android.hardware.biometrics.fingerprint.FingerprintSensorType;
 import android.hardware.biometrics.fingerprint.SensorLocation;
-
+/**
+ * @hide
+ */
 @VintfStability
 parcelable SensorProps {
     /**
diff --git a/biometrics/fingerprint/aidl/default/Android.bp b/biometrics/fingerprint/aidl/default/Android.bp
index 77c74e1..fe224c9 100644
--- a/biometrics/fingerprint/aidl/default/Android.bp
+++ b/biometrics/fingerprint/aidl/default/Android.bp
@@ -27,8 +27,8 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
-        "android.hardware.biometrics.fingerprint-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
+        "android.hardware.biometrics.fingerprint-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
         "android.hardware.biometrics.common.thread",
         "android.hardware.biometrics.common.util",
     ],
@@ -50,9 +50,9 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
     vendor: true,
@@ -76,9 +76,9 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
     vendor: true,
@@ -100,9 +100,9 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V2-ndk",
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
     vendor: true,
diff --git a/biometrics/fingerprint/aidl/default/fingerprint-example.xml b/biometrics/fingerprint/aidl/default/fingerprint-example.xml
index 05d1279..e977b98 100644
--- a/biometrics/fingerprint/aidl/default/fingerprint-example.xml
+++ b/biometrics/fingerprint/aidl/default/fingerprint-example.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.biometrics.fingerprint</name>
-        <version>2</version>
+        <version>3</version>
         <fqname>IFingerprint/virtual</fqname>
     </hal>
 </manifest>
diff --git a/biometrics/fingerprint/aidl/vts/Android.bp b/biometrics/fingerprint/aidl/vts/Android.bp
index a474f66..1652905 100644
--- a/biometrics/fingerprint/aidl/vts/Android.bp
+++ b/biometrics/fingerprint/aidl/vts/Android.bp
@@ -15,9 +15,9 @@
     ],
     srcs: ["VtsHalBiometricsFingerprintTargetTest.cpp"],
     static_libs: [
-        "android.hardware.biometrics.common-V2-ndk",
-        "android.hardware.biometrics.fingerprint-V2-ndk",
-        "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V3-ndk",
+        "android.hardware.keymaster-V4-ndk",
     ],
     shared_libs: [
         "libbinder_ndk",
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index ff481f9..1778a19 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -121,7 +121,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.biometrics.face</name>
-        <version>2</version>
+        <version>3</version>
         <interface>
             <name>IFace</name>
             <instance>default</instance>
@@ -129,7 +129,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.biometrics.fingerprint</name>
-        <version>2</version>
+        <version>3</version>
         <interface>
             <name>IFingerprint</name>
             <instance>default</instance>