diff --git a/core/api/current.txt b/core/api/current.txt
index a7bca5a9e09cb..da2b4e9490874 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -12185,6 +12185,7 @@ package android.content.pm {
     field public static final String FEATURE_RAM_NORMAL = "android.hardware.ram.normal";
     field public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
     field public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
+    field public static final String FEATURE_SEAMLESS_REFRESH_RATE_SWITCHING = "android.software.seamless_refresh_rate_switching";
     field public static final String FEATURE_SECURELY_REMOVES_USERS = "android.software.securely_removes_users";
     field public static final String FEATURE_SECURE_LOCK_SCREEN = "android.software.secure_lock_screen";
     field public static final String FEATURE_SECURITY_MODEL_COMPATIBLE = "android.hardware.security.model.compatible";
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 8ae53100d4d50..f3ccfb0ac4f2c 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -2978,6 +2978,14 @@ public abstract class PackageManager {
     public static final String FEATURE_VIRTUALIZATION_FRAMEWORK =
             "android.software.virtualization_framework";
 
+    /**
+     * Feature for {@link #getSystemAvailableFeatures()} and {@link #hasSystemFeature(String)}.
+     * This feature indicates whether device supports seamless refresh rate switching.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_SEAMLESS_REFRESH_RATE_SWITCHING
+            = "android.software.seamless_refresh_rate_switching";
+
     /**
      * Feature for {@link #getSystemAvailableFeatures} and
      * {@link #hasSystemFeature(String, int)}: If this feature is supported, the Vulkan