diff --git a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
index 0f10086..d024a55 100644
--- a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
+++ b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
@@ -29,12 +29,16 @@
 namespace impl {
 
 // Some handy constants to avoid conversions from enum to int.
+constexpr int ABS_ACTIVE = (int) V2_1::VehicleProperty::ABS_ACTIVE;
 constexpr int OBD2_LIVE_FRAME = (int) V2_1::VehicleProperty::OBD2_LIVE_FRAME;
 constexpr int OBD2_FREEZE_FRAME = (int) V2_1::VehicleProperty::OBD2_FREEZE_FRAME;
 constexpr int OBD2_FREEZE_FRAME_INFO = (int) V2_1::VehicleProperty::OBD2_FREEZE_FRAME_INFO;
 constexpr int OBD2_FREEZE_FRAME_CLEAR = (int) V2_1::VehicleProperty::OBD2_FREEZE_FRAME_CLEAR;
+constexpr int TRACTION_CONTROL_ACTIVE = (int) V2_1::VehicleProperty::TRACTION_CONTROL_ACTIVE;
 constexpr int VEHICLE_MAP_SERVICE = (int) V2_1::VehicleProperty::VEHICLE_MAP_SERVICE;
 constexpr int WHEEL_TICK = (int) V2_1::VehicleProperty::WHEEL_TICK;
+constexpr int ALL_WHEELS = (int) (V2_0::Wheel::LEFT_FRONT | V2_0::Wheel::RIGHT_FRONT |
+                                  V2_0::Wheel::LEFT_REAR | V2_0::Wheel::RIGHT_REAR);
 
 
 const V2_0::VehiclePropConfig kVehicleProperties[] = {
@@ -42,11 +46,24 @@
         .prop = WHEEL_TICK,
         .access = V2_0::VehiclePropertyAccess::READ,
         .changeMode = V2_0::VehiclePropertyChangeMode::CONTINUOUS,
+        .configArray = {ALL_WHEELS, 50000, 50000, 50000, 50000},
         .minSampleRate = 1.0f,
         .maxSampleRate = 100.0f,
     },
 
     {
+        .prop = ABS_ACTIVE,
+        .access = V2_0::VehiclePropertyAccess::READ,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE,
+    },
+
+    {
+        .prop = TRACTION_CONTROL_ACTIVE,
+        .access = V2_0::VehiclePropertyAccess::READ,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE,
+    },
+
+    {
         .prop = OBD2_LIVE_FRAME,
         .access = V2_0::VehiclePropertyAccess::READ,
         .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE,
diff --git a/automotive/vehicle/2.1/types.hal b/automotive/vehicle/2.1/types.hal
index 54e87ed..75026b7 100644
--- a/automotive/vehicle/2.1/types.hal
+++ b/automotive/vehicle/2.1/types.hal
@@ -23,12 +23,37 @@
  */
 enum VehicleProperty: @2.0::VehicleProperty {
     /**
-     * Reports wheel rotational distance in meters since last wheel tick
-     * event
+     * Reports wheel ticks
      *
-     * The value is a vector each element represents distance for individual
-     * wheel in the following order: left front, right front, left rear,
-     * right rear. VehiclePropValue.timestamp must be correctly filled in.
+     * The first four elements represent ticks for individual wheels in the
+     * following order: front left, front right, rear right, rear left.  All
+     * tick counts are cumulative.  Tick counts increment when the vehicle
+     * moves forward, and decrement when vehicles moves in reverse.  The ticks
+     * should be reset to 0 when the vehicle is started by the user.
+     *
+     * The next element in the vector is a reset count.  A reset indicates
+     * previous tick counts are not comparable with this and future ones.  Some
+     * sort of discontinuity in tick counting has occurred.
+     *
+     *  int64Values[0] = reset count
+     *  int64Values[1] = front left ticks
+     *  int64Values[2] = front right ticks
+     *  int64Values[3] = rear right ticks
+     *  int64Values[4] = rear left ticks
+     *
+     * configArray is used to indicate the micrometers-per-wheel-tick value as well as
+     * which wheels are supported.  configArray is set as follows:
+     *
+     *  configArray[0], bits [0:3] = supported wheels.  Uses enum Wheel.
+     *  configArray[1] = micrometers per front left wheel tick
+     *  configArray[2] = micrometers per front right wheel tick
+     *  configArray[3] = micrometers per rear right wheel tick
+     *  configArray[4] = micrometers per rear left wheel tick
+     *
+     * NOTE:  If a wheel is not supported, its value shall always be set to
+     *          LONG_MAX = 9223372036854775807.
+     *
+     * VehiclePropValue.timestamp must be correctly filled in.
      *
      * Vendors must specify wheels that support this sensor in
      * VehiclePropConfig.configFlags. The format of this field is a bitset of
@@ -36,15 +61,38 @@
      *
      * @change_mode VehiclePropertyChangeMode:ON_CHANGE |VehiclePropertyChangeMode:CONTINUOUS
      * @access VehiclePropertyAccess:READ
-     * @unit VehicleUnit:METER
      */
     WHEEL_TICK = (
       0x0306
       | VehiclePropertyGroup:SYSTEM
-      | VehiclePropertyType:FLOAT_VEC
+      | VehiclePropertyType:COMPLEX
       | VehicleArea:GLOBAL),
 
     /**
+     * ABS is active.  Set to true whenever ABS is activated.  Reset to false when ABS is off.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    ABS_ACTIVE = (
+        0x040A
+        | VehiclePropertyGroup:SYSTEM
+        | VehiclePropertyType:BOOLEAN
+        | VehicleArea:GLOBAL),
+
+    /**
+     * Traction Control is active.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    TRACTION_CONTROL_ACTIVE = (
+        0x040B
+        | VehiclePropertyGroup:SYSTEM
+        | VehiclePropertyType:BOOLEAN
+        | VehicleArea:GLOBAL),
+
+    /**
      * Automatic re-circulation on/off
      *
      * IVehicle#set may return StatusCode::NOT_AVAILABLE and IVehicle#get is not
diff --git a/current.txt b/current.txt
index a0cf616..67f1169 100644
--- a/current.txt
+++ b/current.txt
@@ -191,7 +191,7 @@
 
 150a338ce11fcec70757c9675d83cf6a5d7b40d0c812741b91671fecce59eac9 android.hardware.broadcastradio@1.0::types
 760485232f6cce07f8bb05e3475509956996b702f77415ee5bff05e2ec5a5bcc android.hardware.dumpstate@1.0::IDumpstateDevice
-1fecfa1609ff9d27ebf761a84b4336efa9d5dac5b241f19a6663f70d8db2c4b1 android.hardware.radio@1.0::IRadioResponse
+e822cb7f4a1bdd45689c5e92ccd19a2201c20b771bd4b2ec1ae627e324591f9d android.hardware.radio@1.0::IRadioResponse
 28e929b453df3d9f5060af2764e6cdb123ddb893e3e86923c877f6ff7e5f02c9 android.hardware.wifi@1.0::types
 
 # HALs released in Android O MR1
diff --git a/graphics/composer/2.1/default/ComposerClient.cpp b/graphics/composer/2.1/default/ComposerClient.cpp
index 5a96e29..e792034 100644
--- a/graphics/composer/2.1/default/ComposerClient.cpp
+++ b/graphics/composer/2.1/default/ComposerClient.cpp
@@ -1149,6 +1149,13 @@
 
         // input handle is ignored
         *outHandle = entry->getHandle();
+    } else if (cache == BufferCache::LAYER_SIDEBAND_STREAMS) {
+        if (handle) {
+            *outHandle = native_handle_clone(handle);
+            if (*outHandle == nullptr) {
+                return Error::NO_RESOURCES;
+            }
+        }
     } else {
         if (!sHandleImporter.importBuffer(handle)) {
             return Error::NO_RESOURCES;
diff --git a/graphics/composer/2.1/default/ComposerClient.h b/graphics/composer/2.1/default/ComposerClient.h
index ee825fe..fc5c223 100644
--- a/graphics/composer/2.1/default/ComposerClient.h
+++ b/graphics/composer/2.1/default/ComposerClient.h
@@ -110,6 +110,7 @@
 protected:
     struct LayerBuffers {
         std::vector<BufferCacheEntry> Buffers;
+        // the handle is a sideband stream handle, not a buffer handle
         BufferCacheEntry SidebandStream;
     };
 
diff --git a/radio/1.0/IRadioResponse.hal b/radio/1.0/IRadioResponse.hal
index 9f19169..a94aac3 100644
--- a/radio/1.0/IRadioResponse.hal
+++ b/radio/1.0/IRadioResponse.hal
@@ -201,7 +201,7 @@
      *   RadioError:NO_NETWORK_FOUND
      *   RadioError:INVALID_CALL_ID
      *   RadioError:DEVICE_IN_USE
-     *   RadioError:MODE_NOT_SUPPORTED
+     *   RadioError:OPERATION_NOT_ALLOWED
      *   RadioError:ABORTED
      *   RadioError:SYSTEM_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
@@ -537,7 +537,6 @@
      *   RadioError:INVALID_SMSC_ADDRESS
      *   RadioError:MODEM_ERR
      *   RadioError:NETWORK_ERR
-     *   RadioError:MODE_NOT_SUPPORTED
      *   RadioError:INTERNAL_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
      *   RadioError:INVALID_MODEM_STATE
@@ -568,7 +567,6 @@
      *   RadioError:INVALID_SMSC_ADDRESS
      *   RadioError:MODEM_ERR
      *   RadioError:NETWORK_ERR
-     *   RadioError:MODE_NOT_SUPPORTED
      *   RadioError:INTERNAL_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
      *   RadioError:INVALID_MODEM_STATE
@@ -1205,7 +1203,7 @@
      *   RadioError:NO_MEMORY
      *   RadioError:NO_RESOURCES
      *   RadioError:INVALID_MODEM_STATE
-     *   RadioError:MODE_NOT_SUPPORTED
+     *   RadioError:OPERATION_NOT_ALLOWED
      *   RadioError:INVALID_SMSC_ADDRESS
      *   RadioError:RADIO_NOT_AVAILABLE
      *   RadioError:SYSTEM_ERR
@@ -1565,7 +1563,7 @@
      *   RadioError:INVALID_MODEM_STATE
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
-     *   RadioError:MODE_NOT_SUPPORTED
+     *   RadioError:OPERATION_NOT_ALLOWED
      */
     oneway sendCDMAFeatureCodeResponse(RadioResponseInfo info);
 
@@ -1586,7 +1584,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:INVALID_MODEM_STATE
-     *   RadioError:MODE_NOT_SUPPORTED
+     *   RadioError:OPERATION_NOT_ALLOWED
      */
     oneway sendBurstDtmfResponse(RadioResponseInfo info);
 
@@ -1610,7 +1608,6 @@
      *   RadioError:NETWORK_ERR
      *   RadioError:ENCODING_ERR
      *   RadioError:INVALID_SMSC_ADDRESS
-     *   RadioError:MODE_NOT_SUPPORTED
      *   RadioError:INTERNAL_ERR
      *   RadioError:SYSTEM_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
@@ -1634,7 +1631,6 @@
      *   RadioError:REQUEST_RATE_LIMITED
      *   RadioError:SYSTEM_ERR
      *   RadioError:MODEM_ERR
-     *   RadioError:MODE_NOT_SUPPORTED
      *   RadioError:NETWORK_NOT_READY
      *   RadioError:INVALID_MODEM_STATE
      *   RadioError:INTERNAL_ERR
@@ -1816,7 +1812,6 @@
      *   RadioError:NO_MEMORY
      *   RadioError:NO_RESOURCES
      *   RadioError:INVALID_MODEM_STATE
-     *   RadioError:MODE_NOT_SUPPORTED
      *   RadioError:INVALID_SMSC_ADDRESS
      *   RadioError:SYSTEM_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
@@ -2138,7 +2133,7 @@
      *   RadioError:MODEM_ERR
      *   RadioError:NETWORK_ERR
      *   RadioError:ENCODING_ERR
-     *   RadioError:MODE_NOT_SUPPORTED
+     *   RadioError:OPERATION_NOT_ALLOWED
      *   RadioError:INTERNAL_ERR
      *   RadioError:REQUEST_NOT_SUPPORTED
      *   RadioError:NETWORK_NOT_READY
diff --git a/radio/1.0/vts/functional/radio_hidl_hal_voice.cpp b/radio/1.0/vts/functional/radio_hidl_hal_voice.cpp
index f5be572..1d2f199 100644
--- a/radio/1.0/vts/functional/radio_hidl_hal_voice.cpp
+++ b/radio/1.0/vts/functional/radio_hidl_hal_voice.cpp
@@ -57,7 +57,7 @@
                     radioRsp->rspInfo.error == RadioError::NO_NETWORK_FOUND ||
                     radioRsp->rspInfo.error == RadioError::INVALID_CALL_ID ||
                     radioRsp->rspInfo.error == RadioError::DEVICE_IN_USE ||
-                    radioRsp->rspInfo.error == RadioError::MODE_NOT_SUPPORTED ||
+                    radioRsp->rspInfo.error == RadioError::OPERATION_NOT_ALLOWED ||
                     radioRsp->rspInfo.error == RadioError::INVALID_MODEM_STATE ||
                     radioRsp->rspInfo.error == RadioError::CANCELLED);
     }
@@ -373,7 +373,7 @@
                     radioRsp->rspInfo.error == RadioError::INVALID_CALL_ID ||
                     radioRsp->rspInfo.error == RadioError::INVALID_MODEM_STATE ||
                     radioRsp->rspInfo.error == RadioError::MODEM_ERR ||
-                    radioRsp->rspInfo.error == RadioError::MODE_NOT_SUPPORTED);
+                    radioRsp->rspInfo.error == RadioError::OPERATION_NOT_ALLOWED);
     }
 }
 
@@ -488,6 +488,6 @@
                     radioRsp->rspInfo.error == RadioError::INVALID_ARGUMENTS ||
                     radioRsp->rspInfo.error == RadioError::INVALID_STATE ||
                     radioRsp->rspInfo.error == RadioError::MODEM_ERR ||
-                    radioRsp->rspInfo.error == RadioError::MODE_NOT_SUPPORTED);
+                    radioRsp->rspInfo.error == RadioError::OPERATION_NOT_ALLOWED);
     }
 }
\ No newline at end of file