diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index 9057788..d8115e1 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -1,5 +1,5 @@
 <compatibility-matrix version="1.0" type="framework" level="8">
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.audio</name>
         <version>6.0</version>
         <version>7.0-1</version>
@@ -8,7 +8,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.audio.effect</name>
         <version>6.0</version>
         <version>7.0</version>
@@ -17,7 +17,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.audio.core</name>
         <version>1</version>
         <interface>
@@ -36,7 +36,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.audio.effect</name>
         <version>1</version>
         <interface>
@@ -44,7 +44,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.audio.sounddose</name>
         <version>1</version>
         <interface>
@@ -52,7 +52,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
          <name>android.hardware.authsecret</name>
          <version>1</version>
          <interface>
@@ -60,7 +60,7 @@
              <instance>default</instance>
          </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.audiocontrol</name>
         <version>2-3</version>
         <interface>
@@ -68,7 +68,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.can</name>
         <version>1</version>
         <interface>
@@ -76,7 +76,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.evs</name>
         <version>1-2</version>
         <interface>
@@ -84,7 +84,7 @@
             <regex-instance>[a-z]+/[0-9]+</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.occupant_awareness</name>
         <version>1</version>
         <interface>
@@ -92,7 +92,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.vehicle</name>
         <version>1-2</version>
         <interface>
@@ -100,21 +100,21 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.remoteaccess</name>
         <interface>
             <name>IRemoteAccess</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.automotive.ivn</name>
         <interface>
             <name>IIvnAndroidDevice</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.biometrics.face</name>
         <version>3</version>
         <interface>
@@ -123,7 +123,7 @@
             <instance>virtual</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.biometrics.fingerprint</name>
         <version>3</version>
         <interface>
@@ -132,7 +132,7 @@
             <instance>virtual</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.bluetooth</name>
         <version>1.0-1</version>
         <interface>
@@ -140,14 +140,14 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.bluetooth</name>
         <interface>
             <name>IBluetoothHci</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.bluetooth.audio</name>
         <version>3</version>
         <interface>
@@ -155,21 +155,21 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.boot</name>
         <interface>
             <name>IBootControl</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.broadcastradio</name>
         <interface>
             <name>IBroadcastRadio</name>
             <regex-instance>.*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.camera.provider</name>
         <version>1-2</version>
         <interface>
@@ -177,14 +177,14 @@
             <regex-instance>[^/]+/[0-9]+</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.cas</name>
         <interface>
             <name>IMediaCasService</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.confirmationui</name>
         <version>1</version>
         <interface>
@@ -192,7 +192,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.contexthub</name>
         <version>2</version>
         <interface>
@@ -200,7 +200,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.drm</name>
         <version>1</version>
         <interface>
@@ -208,14 +208,14 @@
             <regex-instance>.*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.dumpstate</name>
         <interface>
             <name>IDumpstateDevice</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.gatekeeper</name>
         <version>1</version>
         <interface>
@@ -223,7 +223,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.gnss</name>
         <version>2-3</version>
         <interface>
@@ -231,7 +231,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.graphics.allocator</name>
         <version>1-2</version>
         <interface>
@@ -239,7 +239,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.graphics.composer3</name>
         <version>2</version>
         <interface>
@@ -248,7 +248,7 @@
         </interface>
     </hal>
     <!-- Either the native or the HIDL mapper HAL must exist on the device -->
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.graphics.mapper</name>
         <!-- New, non-Go devices should use 4.0, tested in vts_treble_vintf_vendor_test -->
         <version>2.1</version>
@@ -259,7 +259,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.health</name>
         <version>1-2</version>
         <interface>
@@ -267,7 +267,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.health.storage</name>
         <version>1</version>
         <interface>
@@ -275,7 +275,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.identity</name>
         <version>1-5</version>
         <interface>
@@ -283,14 +283,14 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.net.nlinterceptor</name>
         <interface>
             <name>IInterceptor</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.oemlock</name>
         <version>1</version>
         <interface>
@@ -298,7 +298,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.ir</name>
         <version>1</version>
         <interface>
@@ -306,7 +306,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.input.processor</name>
         <version>1</version>
         <interface>
@@ -314,7 +314,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.security.keymint</name>
         <version>1-3</version>
         <interface>
@@ -323,7 +323,7 @@
             <instance>strongbox</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.security.keymint</name>
         <version>1-3</version>
         <interface>
@@ -333,7 +333,7 @@
             <instance>widevine</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.light</name>
         <version>2</version>
         <interface>
@@ -341,7 +341,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.media.c2</name>
         <version>1.0-2</version>
         <interface>
@@ -351,7 +351,7 @@
             <regex-instance>vendor[0-9]*_software</regex-instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.media.c2</name>
         <version>1.0</version>
         <interface>
@@ -360,7 +360,7 @@
             <instance>software</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.media.omx</name>
         <version>1.0</version>
         <interface>
@@ -372,7 +372,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.memtrack</name>
         <version>1</version>
         <interface>
@@ -380,7 +380,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.neuralnetworks</name>
         <version>1-4</version>
         <interface>
@@ -388,14 +388,14 @@
             <regex-instance>.*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.nfc</name>
         <interface>
             <name>INfc</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.power</name>
         <version>4</version>
         <interface>
@@ -403,7 +403,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.power.stats</name>
         <version>2</version>
         <interface>
@@ -411,7 +411,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.config</name>
         <version>2</version>
         <interface>
@@ -419,7 +419,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.data</name>
         <version>2</version>
         <interface>
@@ -429,7 +429,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.messaging</name>
         <version>2</version>
         <interface>
@@ -439,7 +439,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.modem</name>
         <version>2</version>
         <interface>
@@ -449,7 +449,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.network</name>
         <version>2</version>
         <interface>
@@ -459,7 +459,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.sim</name>
         <version>2</version>
         <interface>
@@ -469,7 +469,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.sap</name>
         <version>1</version>
         <interface>
@@ -479,7 +479,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.voice</name>
         <version>2</version>
         <interface>
@@ -489,7 +489,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.ims</name>
         <version>1</version>
         <interface>
@@ -499,7 +499,7 @@
             <instance>slot3</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.radio.ims.media</name>
         <version>1</version>
         <interface>
@@ -507,7 +507,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.renderscript</name>
         <version>1.0</version>
         <interface>
@@ -515,7 +515,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.rebootescrow</name>
         <version>1</version>
         <interface>
@@ -523,7 +523,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.secure_element</name>
         <version>1</version>
         <interface>
@@ -532,7 +532,7 @@
             <regex-instance>SIM[1-9][0-9]*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.security.secureclock</name>
         <version>1</version>
         <interface>
@@ -540,7 +540,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.security.sharedsecret</name>
         <version>1</version>
         <interface>
@@ -549,7 +549,7 @@
             <instance>strongbox</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.sensors</name>
         <version>2</version>
         <interface>
@@ -557,7 +557,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.soundtrigger</name>
         <version>2.3</version>
         <interface>
@@ -565,7 +565,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
          <name>android.hardware.soundtrigger3</name>
          <version>1</version>
          <interface>
@@ -573,7 +573,7 @@
              <instance>default</instance>
          </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.tetheroffload.config</name>
         <version>1.0</version>
         <interface>
@@ -581,7 +581,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="hidl">
         <name>android.hardware.tetheroffload.control</name>
         <version>1.1</version>
         <interface>
@@ -589,7 +589,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tetheroffload</name>
         <version>1</version>
         <interface>
@@ -597,7 +597,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.thermal</name>
         <version>1</version>
         <interface>
@@ -605,7 +605,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tv.hdmi.cec</name>
         <version>1</version>
         <interface>
@@ -613,7 +613,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tv.hdmi.earc</name>
         <version>1</version>
         <interface>
@@ -621,7 +621,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tv.hdmi.connection</name>
         <version>1</version>
         <interface>
@@ -629,7 +629,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tv.tuner</name>
         <version>1-2</version>
         <interface>
@@ -637,7 +637,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.tv.input</name>
         <version>1</version>
         <interface>
@@ -645,7 +645,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.usb</name>
         <version>1-2</version>
         <interface>
@@ -653,14 +653,14 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.usb.gadget</name>
         <interface>
             <name>IUsbGadget</name>
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.vibrator</name>
         <version>1-2</version>
         <interface>
@@ -668,7 +668,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.vibrator</name>
         <version>1-2</version>
         <interface>
@@ -676,7 +676,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.weaver</name>
         <version>2</version>
         <interface>
@@ -684,7 +684,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.wifi</name>
         <version>1</version>
         <interface>
@@ -692,7 +692,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true" updatable-via-apex="true">
+    <hal format="aidl" updatable-via-apex="true">
         <name>android.hardware.uwb</name>
         <version>1</version>
         <interface>
@@ -700,7 +700,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.wifi.hostapd</name>
         <version>1</version>
         <interface>
@@ -708,7 +708,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl">
         <name>android.hardware.wifi.supplicant</name>
         <version>2</version>
         <interface>
@@ -717,7 +717,7 @@
         </interface>
     </hal>
     <!-- Either the native or the HIDL mapper HAL must exist on the device -->
-    <hal format="native" optional="true">
+    <hal format="native">
         <name>mapper</name>
         <version>5.0</version>
         <interface>