diff --git a/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java b/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
index fdfdbabc0..40d4ceb8a 100644
--- a/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
+++ b/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
@@ -69,11 +69,21 @@ public class SpoofStreamingDataPatch extends BlockRequestPatch {
      * Skip response encryption in OnesiePlayerRequest.
      */
     public static boolean skipResponseEncryption(boolean original) {
-        if (SPOOF_STREAMING_DATA_SKIP_RESPONSE_ENCRYPTION) {
-            return false;
+        if (!SPOOF_STREAMING_DATA_SKIP_RESPONSE_ENCRYPTION) {
+            return original;
         }
+        return false;
+    }
 
-        return original;
+    /**
+     * Injection point.
+     * Turns off a feature flag that interferes with video playback.
+     */
+    public static boolean usePlaybackStartFeatureFlag(boolean original) {
+        if (!SPOOF_STREAMING_DATA) {
+            return original;
+        }
+        return false;
     }
 
     /**
diff --git a/extensions/shared/src/main/java/app/revanced/extension/youtube/returnyoutubedislike/ReturnYouTubeDislike.java b/extensions/shared/src/main/java/app/revanced/extension/youtube/returnyoutubedislike/ReturnYouTubeDislike.java
index ca5ff0aaa..b3b23057c 100644
--- a/extensions/shared/src/main/java/app/revanced/extension/youtube/returnyoutubedislike/ReturnYouTubeDislike.java
+++ b/extensions/shared/src/main/java/app/revanced/extension/youtube/returnyoutubedislike/ReturnYouTubeDislike.java
@@ -115,7 +115,7 @@ public class ReturnYouTubeDislike {
     private static final Rect middleSeparatorBounds;
 
     /**
-     * Left separator horizontal padding for Rolling Number layout.
+     * Horizontal padding between the left and middle separator.
      */
     public static final int leftSeparatorShapePaddingPixels;
     private static final ShapeDrawable leftSeparatorShape;
@@ -131,7 +131,7 @@ public class ReturnYouTubeDislike {
                 (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 3.7f, dp);
         middleSeparatorBounds = new Rect(0, 0, middleSeparatorSize, middleSeparatorSize);
 
-        leftSeparatorShapePaddingPixels = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 10.0f, dp);
+        leftSeparatorShapePaddingPixels = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8.4f, dp);
 
         leftSeparatorShape = new ShapeDrawable(new RectShape());
         leftSeparatorShape.setBounds(leftSeparatorBounds);
diff --git a/extensions/shared/src/main/java/app/revanced/extension/youtube/utils/ExtendedUtils.java b/extensions/shared/src/main/java/app/revanced/extension/youtube/utils/ExtendedUtils.java
index 51cc78e31..378ddea77 100644
--- a/extensions/shared/src/main/java/app/revanced/extension/youtube/utils/ExtendedUtils.java
+++ b/extensions/shared/src/main/java/app/revanced/extension/youtube/utils/ExtendedUtils.java
@@ -31,15 +31,20 @@ import app.revanced.extension.shared.utils.PackageUtils;
 import app.revanced.extension.youtube.settings.Settings;
 
 public class ExtendedUtils extends PackageUtils {
+
+    private static boolean isVersionOrGreater(String version) {
+        return getAppVersionName().compareTo(version) >= 0;
+    }
+
     @SuppressWarnings("unused")
-    public static final boolean IS_19_17_OR_GREATER = getAppVersionName().compareTo("19.17.00") >= 0;
-    public static final boolean IS_19_20_OR_GREATER = getAppVersionName().compareTo("19.20.00") >= 0;
-    public static final boolean IS_19_21_OR_GREATER = getAppVersionName().compareTo("19.21.00") >= 0;
-    public static final boolean IS_19_26_OR_GREATER = getAppVersionName().compareTo("19.26.00") >= 0;
-    public static final boolean IS_19_28_OR_GREATER = getAppVersionName().compareTo("19.28.00") >= 0;
-    public static final boolean IS_19_29_OR_GREATER = getAppVersionName().compareTo("19.29.00") >= 0;
-    public static final boolean IS_19_34_OR_GREATER = getAppVersionName().compareTo("19.34.00") >= 0;
-    public static final boolean IS_20_09_OR_GREATER = getAppVersionName().compareTo("20.09.00") >= 0;
+    public static final boolean IS_19_17_OR_GREATER = isVersionOrGreater("19.17.00");
+    public static final boolean IS_19_20_OR_GREATER = isVersionOrGreater("19.20.00");
+    public static final boolean IS_19_21_OR_GREATER = isVersionOrGreater("19.21.00");
+    public static final boolean IS_19_26_OR_GREATER = isVersionOrGreater("19.26.00");
+    public static final boolean IS_19_28_OR_GREATER = isVersionOrGreater("19.28.00");
+    public static final boolean IS_19_29_OR_GREATER = isVersionOrGreater("19.29.00");
+    public static final boolean IS_19_34_OR_GREATER = isVersionOrGreater("19.34.00");
+    public static final boolean IS_20_09_OR_GREATER = isVersionOrGreater("20.09.00");
 
     public static int validateValue(IntegerSetting settings, int min, int max, String message) {
         int value = settings.get();
diff --git a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/Fingerprints.kt
index fa1662872..214e81a70 100644
--- a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/Fingerprints.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/Fingerprints.kt
@@ -153,3 +153,18 @@ internal val onesieEncryptionAlternativeFeatureFlagFingerprint = legacyFingerpri
     name = "onesieEncryptionAlternativeFeatureFlagFingerprint",
     literals = listOf(ONESIE_ENCRYPTION_ALTERNATIVE_FEATURE_FLAG),
 )
+
+// Feature flag that enables different code for parsing and starting video playback,
+// but it's exact purpose is not known. If this flag is enabled while stream spoofing
+// then videos will never start playback and load forever.
+// Flag does not seem to affect playback if spoofing is off.
+// YouTube 19.50 ~
+internal const val PLAYBACK_START_CHECK_ENDPOINT_USED_FEATURE_FLAG = 45665455L
+
+internal val playbackStartDescriptorFeatureFlagFingerprint = legacyFingerprint(
+    name = "playbackStartDescriptorFeatureFlagFingerprint",
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    parameters = emptyList(),
+    returnType = ("Z"),
+    literals = listOf(PLAYBACK_START_CHECK_ENDPOINT_USED_FEATURE_FLAG)
+)
diff --git a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/SpoofStreamingDataPatch.kt b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/SpoofStreamingDataPatch.kt
index c1982140f..0ce563db6 100644
--- a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/SpoofStreamingDataPatch.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/fix/streamingdata/SpoofStreamingDataPatch.kt
@@ -20,6 +20,7 @@ import app.revanced.patches.youtube.utils.compatibility.Constants.COMPATIBLE_PAC
 import app.revanced.patches.youtube.utils.compatibility.Constants.YOUTUBE_PACKAGE_NAME
 import app.revanced.patches.youtube.utils.patch.PatchList.SPOOF_STREAMING_DATA
 import app.revanced.patches.youtube.utils.playservice.is_19_34_or_greater
+import app.revanced.patches.youtube.utils.playservice.is_19_50_or_greater
 import app.revanced.patches.youtube.utils.playservice.is_20_10_or_greater
 import app.revanced.patches.youtube.utils.playservice.versionCheckPatch
 import app.revanced.patches.youtube.utils.request.buildRequestPatch
@@ -345,11 +346,18 @@ val spoofStreamingDataPatch = bytecodePatch(
                 "$EXTENSION_CLASS_DESCRIPTOR->skipResponseEncryption(Z)Z"
             )
 
-            if (is_20_10_or_greater) {
-                onesieEncryptionAlternativeFeatureFlagFingerprint.injectLiteralInstructionBooleanCall(
-                    ONESIE_ENCRYPTION_ALTERNATIVE_FEATURE_FLAG,
-                    "$EXTENSION_CLASS_DESCRIPTOR->skipResponseEncryption(Z)Z"
+            if (is_19_50_or_greater) {
+                playbackStartDescriptorFeatureFlagFingerprint.injectLiteralInstructionBooleanCall(
+                    PLAYBACK_START_CHECK_ENDPOINT_USED_FEATURE_FLAG,
+                    "$EXTENSION_CLASS_DESCRIPTOR->usePlaybackStartFeatureFlag(Z)Z"
                 )
+
+                if (is_20_10_or_greater) {
+                    onesieEncryptionAlternativeFeatureFlagFingerprint.injectLiteralInstructionBooleanCall(
+                        ONESIE_ENCRYPTION_ALTERNATIVE_FEATURE_FLAG,
+                        "$EXTENSION_CLASS_DESCRIPTOR->skipResponseEncryption(Z)Z"
+                    )
+                }
             }
 
             settingArray += "SETTINGS: SKIP_RESPONSE_ENCRYPTION"
diff --git a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/playservice/VersionCheckPatch.kt b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/playservice/VersionCheckPatch.kt
index fa38cf1db..274ca0687 100644
--- a/patches/src/main/kotlin/app/revanced/patches/youtube/utils/playservice/VersionCheckPatch.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/youtube/utils/playservice/VersionCheckPatch.kt
@@ -61,6 +61,8 @@ var is_19_46_or_greater = false
     private set
 var is_19_49_or_greater = false
     private set
+var is_19_50_or_greater = false
+    private set
 var is_20_02_or_greater = false
     private set
 var is_20_03_or_greater = false
@@ -116,6 +118,7 @@ val versionCheckPatch = resourcePatch(
         is_19_44_or_greater = 244505000 <= playStoreServicesVersion
         is_19_46_or_greater = 244705000 <= playStoreServicesVersion
         is_19_49_or_greater = 245005000 <= playStoreServicesVersion
+        is_19_50_or_greater = 245105000 <= playStoreServicesVersion
         is_20_02_or_greater = 250299000 <= playStoreServicesVersion
         is_20_03_or_greater = 250405000 <= playStoreServicesVersion
         is_20_05_or_greater = 250605000 <= playStoreServicesVersion