diff --git a/Tests/MuxPlayerSwift/MonitorTests.swift b/Tests/MuxPlayerSwift/MonitorTests.swift
index 715bda6e..9dcb640e 100644
--- a/Tests/MuxPlayerSwift/MonitorTests.swift
+++ b/Tests/MuxPlayerSwift/MonitorTests.swift
@@ -228,4 +228,558 @@ class MonitorTests: XCTestCase {
         XCTAssertTrue(registration.1)
         testMonitor.monitoringRegistrations.removeAll()
     }
+
+    func testInitializedPlayerViewControllerKVORegistrationNonDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerViewController = AVPlayerViewController(
+            playbackID: "abc123"
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerViewController.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            1
+        )
+
+        let playerViewControllerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerViewControllerObjectIdentifier,
+            ObjectIdentifier(playerViewController)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerViewController: playerViewController
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testInitializedPlayerLayerKVORegistrationNonDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerLayer = AVPlayerLayer(
+            playbackID: "abc123"
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerLayer.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            1
+        )
+
+        let playerLayerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerLayerObjectIdentifier,
+            ObjectIdentifier(playerLayer)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerLayer: playerLayer
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testPreexistingPlayerViewControllerKVORegistrationNonDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerViewController = AVPlayerViewController()
+        playerViewController.prepare(
+            playbackID: "abc123"
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerViewController.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            1
+        )
+
+        let playerViewControllerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerViewControllerObjectIdentifier,
+            ObjectIdentifier(playerViewController)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerViewController: playerViewController
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testPreexistingPlayerLayerKVORegistrationNonDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerLayer = AVPlayerLayer()
+        playerLayer.prepare(
+            playbackID: "abc123"
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerLayer.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            1
+        )
+
+        let playerLayerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerLayerObjectIdentifier,
+            ObjectIdentifier(playerLayer)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerLayer: playerLayer
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testInitializedPlayerViewControllerKVORegistrationDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerViewController = AVPlayerViewController(
+            playbackID: "abc123",
+            playbackOptions: PlaybackOptions(
+                playbackToken: "def456",
+                drmToken: "ghi789"
+            )
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerViewController.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            2
+        )
+
+        let playerViewControllerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerViewControllerObjectIdentifier,
+            ObjectIdentifier(playerViewController)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerViewController: playerViewController
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testInitializedPlayerLayerKVORegistrationDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerLayer = AVPlayerLayer(
+            playbackID: "abc123",
+            playbackOptions: PlaybackOptions(
+                playbackToken: "def456",
+                drmToken: "ghi789"
+            )
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerLayer.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            2
+        )
+
+        let playerLayerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerLayerObjectIdentifier,
+            ObjectIdentifier(playerLayer)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerLayer: playerLayer
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testPreexistingPlayerViewControllerKVORegistrationDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerViewController = AVPlayerViewController()
+        playerViewController.prepare(
+            playbackID: "abc123",
+            playbackOptions: PlaybackOptions(
+                playbackToken: "def456",
+                drmToken: "ghi789"
+            )
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerViewController.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            2
+        )
+
+        let playerViewControllerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerViewControllerObjectIdentifier,
+            ObjectIdentifier(playerViewController)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerViewController: playerViewController
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testPreexistingPlayerLayerKVORegistrationDRM() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerLayer = AVPlayerLayer()
+        playerLayer.prepare(
+            playbackID: "abc123",
+            playbackOptions: PlaybackOptions(
+                playbackToken: "def456",
+                drmToken: "ghi789"
+            )
+        )
+
+        XCTAssertEqual(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations
+                .count,
+            1
+        )
+
+        let player = try XCTUnwrap(
+            playerLayer.player
+        )
+
+        let observations = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            observations.count,
+            2
+        )
+
+        let playerLayerObjectIdentifier = try XCTUnwrap(
+            PlayerSDK
+                .shared
+                .monitor
+                .playerObjectIdentifiersToBindingReferenceObjectIdentifier[
+                    ObjectIdentifier(player)
+                ]
+        )
+
+        XCTAssertEqual(
+            playerLayerObjectIdentifier,
+            ObjectIdentifier(playerLayer)
+        )
+
+        PlayerSDK.shared.monitor.tearDownMonitoring(
+            playerLayer: playerLayer
+        )
+
+        XCTAssertNil(
+            PlayerSDK
+                .shared
+                .monitor
+                .keyValueObservation
+                .observations[
+                    ObjectIdentifier(player)
+                ]
+        )
+    }
+
+    func testPlayerItemUpdates() throws {
+        PlayerSDK.shared.monitor = Monitor()
+
+        let playerLayer = AVPlayerLayer(
+            playbackID: "abc123",
+            playbackOptions: PlaybackOptions(
+                playbackToken: "def456",
+                drmToken: "ghi789"
+            )
+        )
+
+       
+    }
 }