diff --git a/android_webview/lib/aw_main_delegate.cc b/android_webview/lib/aw_main_delegate.cc
index f72b6fd496361c..900846c57153b8 100644
--- a/android_webview/lib/aw_main_delegate.cc
+++ b/android_webview/lib/aw_main_delegate.cc
@@ -211,6 +211,8 @@ bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
     // TODO(https://crbug.com/963653): SmsReceiver is not yet supported on
     // WebView.
     features.DisableIfNotSet(::features::kSmsReceiver);
+
+    features.DisableIfNotSet(::features::kWebXr);
   }
 
   android_webview::RegisterPathProvider();
diff --git a/android_webview/tools/system_webview_shell/test/data/webexposed/not-webview-exposed.txt b/android_webview/tools/system_webview_shell/test/data/webexposed/not-webview-exposed.txt
index 237cc53113661a..6f0a395a748edf 100644
--- a/android_webview/tools/system_webview_shell/test/data/webexposed/not-webview-exposed.txt
+++ b/android_webview/tools/system_webview_shell/test/data/webexposed/not-webview-exposed.txt
@@ -55,13 +55,14 @@ interface HTMLMediaElement : HTMLElement
 
 # permissions API (crbug.com/490120), presentation API (crbug.com/521319),
 # share API (crbug.com/765923), custom scheme handlers (crbug.com/589502),
-# media session API (crbug.com/925997), and sms API (crbug.com/963653)
-# are not supported in webview.
+# media session API (crbug.com/925997), sms API (crbug.com/963653), and WebXr
+# API (crbug.com/1012899) are not supported in webview.
 interface Navigator
     getter mediaSession                # crbug.com/925997
     getter permissions                 # crbug.com/490120
     getter presentation                # crbug.com/521319
     getter sms                         # crbug.com/963653
+    getter xr                          # crbug.com/1012899
     method registerProtocolHandler     # crbug.com/589502
     method unregisterProtocolHandler   # crbug.com/589502
     method share                       # crbug.com/765923
@@ -129,6 +130,31 @@ interface OffscreenCanvas : EventTarget
 interface HTMLCanvasElement : HTMLElement
     method transferControlToOffscreen
 
+# WebXR dependent interfaces are not supported on WebView crbug.com/1012899
+interface XRView
+interface XRViewport
+interface XR : EventTarget
+interface XRFrame
+interface XRRigidTransform
+interface XRSpace : EventTarget
+interface XRInputSourcesChangeEvent : Event
+interface XRInputSource
+interface XRWebGLLayer
+interface XRInputSourceEvent : Event
+interface XRViewerPose : XRPose
+interface XRInputSourceArray
+interface XRRenderState
+interface XRPose
+interface XRSession : EventTarget
+interface XRReferenceSpaceEvent : Event
+interface XRBoundedReferenceSpace : XRReferenceSpace
+interface XRSessionEvent : Event
+interface XRReferenceSpace : XRSpace
+interface WebGLRenderingContext
+    method makeXRCompatible
+interface WebGL2RenderingContext
+    method makeXRCompatible
+
 [GLOBAL OBJECT]
     method openDatabase
     attribute eventSender                    # test only
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/vr/WebXrVrTransitionTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/vr/WebXrVrTransitionTest.java
index 7b6cba497be451..677f019325a869 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/vr/WebXrVrTransitionTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/vr/WebXrVrTransitionTest.java
@@ -183,11 +183,11 @@ public void testWebVrDisabledWithoutFlagSet() {
      */
     @Test
     @MediumTest
-    @CommandLineFlags.Remove({"enable-webvr"})
-    @XrActivityRestriction({XrActivityRestriction.SupportedActivity.ALL})
-    public void testWebXrDisabledWithoutFlagSet() {
-        // TODO(bsheedy): Remove this test once WebXR is on by default without
-        // requiring an origin trial.
+    @CommandLineFlags
+            .Add({"disable-features=WebXR"})
+            @CommandLineFlags.Remove({"enable-webvr"})
+            @XrActivityRestriction({XrActivityRestriction.SupportedActivity.ALL})
+            public void testWebXrDisabledWithoutFlagSet() {
         apiDisabledWithoutFlagSetImpl(WebXrVrTestFramework.getFileUrlForHtmlTestFile(
                                               "test_webxr_disabled_without_flag_set"),
                 mWebXrVrTestFramework);
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index 4ce8738fad8dda..82d6006f912843 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -153,8 +153,8 @@ void SetRuntimeFeaturesFromChromiumFeatures() {
   if (base::FeatureList::IsEnabled(features::kPeriodicBackgroundSync))
     WebRuntimeFeatures::EnablePeriodicBackgroundSync(true);
 
-  if (base::FeatureList::IsEnabled(features::kWebXr))
-    WebRuntimeFeatures::EnableWebXR(true);
+  WebRuntimeFeatures::EnableWebXR(
+      base::FeatureList::IsEnabled(features::kWebXr));
 
   if (base::FeatureList::IsEnabled(features::kWebXrArDOMOverlay))
     WebRuntimeFeatures::EnableWebXRARDOMOverlay(true);
diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
index a627165fd38995..57733d7b93fbcd 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -693,7 +693,7 @@ const base::Feature kWebRtcUseGpuMemoryBufferVideoFrames{
 const base::Feature kWebUsb{"WebUSB", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Controls whether the WebXR Device API is enabled.
-const base::Feature kWebXr{"WebXR", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kWebXr{"WebXR", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Enables access to AR features via the WebXR API.
 const base::Feature kWebXrArModule{"WebXRARModule",
diff --git a/third_party/blink/renderer/platform/runtime_enabled_features.json5 b/third_party/blink/renderer/platform/runtime_enabled_features.json5
index ef0908525b43fe..05960cbe0c87c0 100644
--- a/third_party/blink/renderer/platform/runtime_enabled_features.json5
+++ b/third_party/blink/renderer/platform/runtime_enabled_features.json5
@@ -1799,8 +1799,7 @@
     },
     {
       name: "WebXR",
-      origin_trial_feature_name: "WebXRDeviceM76",
-      status: "experimental",
+      status: "stable",
     },
     {
       name: "WebXRAnchors",
@@ -1813,7 +1812,7 @@
     },
     {
       name: "WebXRARModule",
-      // depends_on: ["WebXR"],  // TODO(https://crbug.com/954679): uncomment once bug is fixed
+      depends_on: ["WebXR"],
       status: "experimental",
     },
     {
diff --git a/third_party/blink/web_tests/http/tests/origin_trials/webexposed/xr/webxr-origin-trial-interfaces.html b/third_party/blink/web_tests/http/tests/origin_trials/webexposed/xr/webxr-origin-trial-interfaces.html
deleted file mode 100644
index 4aab4c445ef0db..00000000000000
--- a/third_party/blink/web_tests/http/tests/origin_trials/webexposed/xr/webxr-origin-trial-interfaces.html
+++ /dev/null
@@ -1,156 +0,0 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>WebXR - interfaces exposed by origin trial</title>
-<script src="../../../resources/testharness.js"></script>
-<script src="../../../resources/testharnessreport.js"></script>
-<script src="../../../resources/origin-trials-helper.js"></script>
-<script>
-let properties_to_check = {
-  'Navigator': ['xr']
-};
-
-// The WebXR APIs should not be present without the token.
-test(t => {
-  OriginTrialsHelper.check_properties_missing_unless_runtime_flag(
-    this, properties_to_check, 'webXREnabled');
-}, "WebXR's entrypoint properties are not available without a token.");
-
-test(() => {
-  if (OriginTrialsHelper.is_runtime_flag_enabled('webXREnabled')) {
-    assert_in_array('xr-spatial-tracking', document.featurePolicy.features());
-  } else {
-    assert_equals(document.featurePolicy.features().indexOf("xr-spatial-tracking"), -1);
-  }
-}, 'document.featurePolicy.features does not advertise xr-spatial-tracking without a token or flag.');
-
-// Add the token, which was generated with the following command:
-// tools/origin_trials/generate_token.py http://127.0.0.1:8000 WebXRDeviceM76 --expire-timestamp=2000000000
-let token = "AkyVxpb70lHShWfDAoWZVaVN2iZ9BxVFtnErcD8gysTmnF+SNXlduVTCLBpcr1V2q/MFrjeqPb2BlFALolT1bAwAAABWeyJvcmlnaW4iOiAiaHR0cDovLzEyNy4wLjAuMTo4MDAwIiwgImZlYXR1cmUiOiAiV2ViWFJEZXZpY2VNNzYiLCAiZXhwaXJ5IjogMjAwMDAwMDAwMH0=";
-OriginTrialsHelper.add_token(token);
-
-// The WebXR APIs should be available now.
-test(t => {
-  OriginTrialsHelper.check_properties_exist(this, properties_to_check);
-}, "WebXR's entrypoint properties are available with origin trial token.");
-
-test(() => {
-  assert_in_array('xr-spatial-tracking', document.featurePolicy.features());
-}, 'document.featurePolicy.features advertises xr-spatial-tracking after token added.');
-
-// Ensure Gamepad Extensions are NOT enabled by the WebXR origin trial token.
-test(t => {
-  webvr_gamepad_properties = {
-    'Gamepad': ['pose', 'hand', 'displayId'],
-  };
-  OriginTrialsHelper.check_properties_missing_unless_runtime_flag(
-    this, webvr_gamepad_properties, 'webVREnabled');
-}, "WebVR-specific Gamepad properties are not available with a WebXR token.");
-test(t => {
-  webvr_gamepad_interfaces = [
-    'GamepadPose'
-  ];
-  OriginTrialsHelper.check_interfaces_missing_unless_runtime_flag(
-    this, webvr_gamepad_interfaces, 'webVREnabled');
-}, "WebVR-specific Gamepad interfaces are not available with a WebXR token.");
-
-
-// Ensure that APIs that are not part of the core WebXR set are NOT enabled by
-// the WebXR origin trial token.
-
-test(t => {
-  let ar_properties = {
-    'XRSession': ['environmentBlendMode']
-  };
-  // TODO: Update AR support to use it's own runtime flag
-  OriginTrialsHelper.check_properties_missing_unless_runtime_flag(
-    this, ar_properties, 'webXRARModuleEnabled');
-}, "AR properties are not available with a WebXR token.");
-
-test(t => {
-  let hittest_properties = {
-    'XRSession': ['requestHitTest']
-  };
-  OriginTrialsHelper.check_properties_missing_unless_runtime_flag(
-    this, hittest_properties, 'webXRHitTestEnabled');
-}, "Hit-test properties are not available with a WebXR token.");
-test(t => {
-  let hittest_interfaces = [
-    'XRHitResult',
-    'XRRay'
-  ];
-  OriginTrialsHelper.check_interfaces_missing_unless_runtime_flag(
-    this, hittest_interfaces, 'webXRHitTestEnabled');
-}, "Hit-test interfaces are not available with a WebXR token.");
-
-test(t => {
-  let planes_properties = {
-    'XRFrame': ['worldInformation'],
-    'XRSession': ['worldTrackingState', 'updateWorldTrackingState']
-  };
-  OriginTrialsHelper.check_properties_missing_unless_runtime_flag(
-    this, planes_properties, 'webXRPlaneDetectionEnabled');
-}, "Plane properties are not available with a WebXR token.");
-test(t => {
-  let planes_interfaces = [
-    'XRPlane',
-    'XRPlaneDetectionState',
-    'XRWorldInformation',
-    'XRWorldTrackingState'
-  ];
-  OriginTrialsHelper.check_interfaces_missing_unless_runtime_flag(
-    this, planes_interfaces, 'webXRPlaneDetectionEnabled');
-}, "Plane interfaces are not available with a WebXR token.");
-
-
-// Ensure that AR sessions are not exposed as part of the WebXR origin trial.
-// The webXREnabled check is effectively checking whether experimental features
-// are enabled. This works as long as at least one AR feature is experimental.
-promise_test(t => {
-  let promise = navigator.xr.supportsSession('immersive-ar');
-  if (OriginTrialsHelper.is_runtime_flag_enabled('webXREnabled')) {
-    return promise_rejects(t, "NotSupportedError", promise);
-  } else {
-    return promise_rejects(t, new TypeError(), promise);
-  }
-}, "immersive-ar is not recognized by supportsSession() with a WebXR token.");
-promise_test(t => {
-  let promise = navigator.xr.requestSession('immersive-ar');
-  if (OriginTrialsHelper.is_runtime_flag_enabled('webXREnabled')) {
-    return promise_rejects(t, "SecurityError", promise);
-  } else {
-    return promise_rejects(t, new TypeError(), promise);
-  }
-}, "immersive-ar is not recognized by requestSession() with a WebXR token.");
-// Verify the rejection reason matches that for other invalid enum values.
-// It only makes sense to run these when the failure occurs.
-if (!OriginTrialsHelper.is_runtime_flag_enabled('webXREnabled')) {
-  promise_test(t => {
-    return navigator.xr.supportsSession('invalid').then(function() {
-        assert_unreached("Promise should be rejected.")
-    }).catch(function(invalidReason) {
-      return navigator.xr.supportsSession('immersive-ar').then(function() {
-        assert_unreached("Promise should be rejected.")
-      }).catch(function(arReason) {
-        // Replace the enum value in the expected message. That is the only
-        // thing that should be different.
-        invalidReason.message = invalidReason.message.replace('invalid', 'immersive-ar');
-        assert_object_equals(invalidReason, arReason);
-      });
-    });
-  }, "supportsSession('immersive-ar') result matches result for other invalid values.");
-  promise_test(t => {
-    return navigator.xr.requestSession('invalid').then(function() {
-        assert_unreached("Promise should be rejected.")
-    }).catch(function(invalidReason) {
-      return navigator.xr.requestSession('immersive-ar').then(function() {
-        assert_unreached("Promise should be rejected.")
-      }).catch(function(arReason) {
-        // Replace the enum value in the expected message. That is the only
-        // thing that should be different.
-        invalidReason.message = invalidReason.message.replace('invalid', 'immersive-ar');
-        assert_object_equals(invalidReason, arReason);
-      });
-    });
-  }, "requestSession('immersive-ar') result matches result for other invalid values.");
-}
-</script>
diff --git a/third_party/blink/web_tests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt b/third_party/blink/web_tests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
index e0ec92c9d1f461..e9c65a5aaec4d7 100644
--- a/third_party/blink/web_tests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
+++ b/third_party/blink/web_tests/virtual/stable/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt
@@ -1951,6 +1951,7 @@ interface WebGL2RenderingContext
     method isVertexArray
     method lineWidth
     method linkProgram
+    method makeXRCompatible
     method pauseTransformFeedback
     method pixelStorei
     method polygonOffset
@@ -2443,6 +2444,7 @@ interface WebGLRenderingContext
     method isTexture
     method lineWidth
     method linkProgram
+    method makeXRCompatible
     method pixelStorei
     method polygonOffset
     method readPixels
diff --git a/third_party/blink/web_tests/virtual/stable/webexposed/feature-policy-features-expected.txt b/third_party/blink/web_tests/virtual/stable/webexposed/feature-policy-features-expected.txt
index aee66211f8c5e8..324728f08401d3 100644
--- a/third_party/blink/web_tests/virtual/stable/webexposed/feature-policy-features-expected.txt
+++ b/third_party/blink/web_tests/virtual/stable/webexposed/feature-policy-features-expected.txt
@@ -18,4 +18,5 @@ picture-in-picture
 sync-xhr
 usb
 vr
+xr-spatial-tracking
 
diff --git a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-dedicated-worker-expected.txt b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-dedicated-worker-expected.txt
index 5af578b448ac64..c2efd0547231cb 100644
--- a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-dedicated-worker-expected.txt
+++ b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-dedicated-worker-expected.txt
@@ -1973,6 +1973,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     method isVertexArray
 [Worker]     method lineWidth
 [Worker]     method linkProgram
+[Worker]     method makeXRCompatible
 [Worker]     method pauseTransformFeedback
 [Worker]     method pixelStorei
 [Worker]     method polygonOffset
@@ -2465,6 +2466,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     method isTexture
 [Worker]     method lineWidth
 [Worker]     method linkProgram
+[Worker]     method makeXRCompatible
 [Worker]     method pixelStorei
 [Worker]     method polygonOffset
 [Worker]     method readPixels
diff --git a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-expected.txt b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-expected.txt
index 2aae6d36f30402..5f8b634a1bc110 100644
--- a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-expected.txt
+++ b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-expected.txt
@@ -4324,6 +4324,7 @@ interface Navigator
     getter vendorSub
     getter webkitPersistentStorage
     getter webkitTemporaryStorage
+    getter xr
     method constructor
     method getBattery
     method getGamepads
@@ -7953,6 +7954,7 @@ interface WebGL2RenderingContext
     method isVertexArray
     method lineWidth
     method linkProgram
+    method makeXRCompatible
     method pauseTransformFeedback
     method pixelStorei
     method polygonOffset
@@ -8449,6 +8451,7 @@ interface WebGLRenderingContext
     method isTexture
     method lineWidth
     method linkProgram
+    method makeXRCompatible
     method pixelStorei
     method polygonOffset
     method readPixels
@@ -8750,6 +8753,139 @@ interface XPathResult
     method constructor
     method iterateNext
     method snapshotItem
+interface XR : EventTarget
+    attribute @@toStringTag
+    getter ondevicechange
+    method constructor
+    method isSessionSupported
+    method requestSession
+    method supportsSession
+    setter ondevicechange
+interface XRBoundedReferenceSpace : XRReferenceSpace
+    attribute @@toStringTag
+    getter boundsGeometry
+    method constructor
+interface XRFrame
+    attribute @@toStringTag
+    getter session
+    method constructor
+    method getPose
+    method getViewerPose
+interface XRInputSource
+    attribute @@toStringTag
+    getter gripSpace
+    getter handedness
+    getter profiles
+    getter targetRayMode
+    getter targetRaySpace
+    method constructor
+interface XRInputSourceArray
+    attribute @@toStringTag
+    getter length
+    method @@iterator
+    method constructor
+    method entries
+    method forEach
+    method keys
+    method values
+interface XRInputSourceEvent : Event
+    attribute @@toStringTag
+    getter frame
+    getter inputSource
+    method constructor
+interface XRInputSourcesChangeEvent : Event
+    attribute @@toStringTag
+    getter added
+    getter removed
+    getter session
+    method constructor
+interface XRPose
+    attribute @@toStringTag
+    getter emulatedPosition
+    getter transform
+    method constructor
+interface XRReferenceSpace : XRSpace
+    attribute @@toStringTag
+    getter onreset
+    method constructor
+    method getOffsetReferenceSpace
+    setter onreset
+interface XRReferenceSpaceEvent : Event
+    attribute @@toStringTag
+    getter referenceSpace
+    getter transform
+    method constructor
+interface XRRenderState
+    attribute @@toStringTag
+    getter baseLayer
+    getter depthFar
+    getter depthNear
+    getter inlineVerticalFieldOfView
+    method constructor
+interface XRRigidTransform
+    attribute @@toStringTag
+    getter inverse
+    getter matrix
+    getter orientation
+    getter position
+    method constructor
+interface XRSession : EventTarget
+    attribute @@toStringTag
+    getter inputSources
+    getter onend
+    getter oninputsourceschange
+    getter onselect
+    getter onselectend
+    getter onselectstart
+    getter onvisibilitychange
+    getter renderState
+    getter visibilityState
+    method cancelAnimationFrame
+    method constructor
+    method end
+    method requestAnimationFrame
+    method requestReferenceSpace
+    method updateRenderState
+    setter onend
+    setter oninputsourceschange
+    setter onselect
+    setter onselectend
+    setter onselectstart
+    setter onvisibilitychange
+interface XRSessionEvent : Event
+    attribute @@toStringTag
+    getter session
+    method constructor
+interface XRSpace : EventTarget
+    attribute @@toStringTag
+    method constructor
+interface XRView
+    attribute @@toStringTag
+    getter eye
+    getter projectionMatrix
+    getter transform
+    method constructor
+interface XRViewerPose : XRPose
+    attribute @@toStringTag
+    getter views
+    method constructor
+interface XRViewport
+    attribute @@toStringTag
+    getter height
+    getter width
+    getter x
+    getter y
+    method constructor
+interface XRWebGLLayer
+    static method getNativeFramebufferScaleFactor
+    attribute @@toStringTag
+    getter antialias
+    getter framebuffer
+    getter framebufferHeight
+    getter framebufferWidth
+    getter ignoreDepthValues
+    method constructor
+    method getViewport
 interface XSLTProcessor
     attribute @@toStringTag
     method clearParameters
diff --git a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-shared-worker-expected.txt b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-shared-worker-expected.txt
index 9a25a1e28fe312..84ada2db019fce 100644
--- a/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-shared-worker-expected.txt
+++ b/third_party/blink/web_tests/virtual/stable/webexposed/global-interface-listing-shared-worker-expected.txt
@@ -1869,6 +1869,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     method isVertexArray
 [Worker]     method lineWidth
 [Worker]     method linkProgram
+[Worker]     method makeXRCompatible
 [Worker]     method pauseTransformFeedback
 [Worker]     method pixelStorei
 [Worker]     method polygonOffset
@@ -2361,6 +2362,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     method isTexture
 [Worker]     method lineWidth
 [Worker]     method linkProgram
+[Worker]     method makeXRCompatible
 [Worker]     method pixelStorei
 [Worker]     method polygonOffset
 [Worker]     method readPixels