diff --git a/wp-admin/includes/plugin.php b/wp-admin/includes/plugin.php
index b1167b2e4c..ee1970ea38 100644
--- a/wp-admin/includes/plugin.php
+++ b/wp-admin/includes/plugin.php
@@ -1247,7 +1247,20 @@ function validate_plugin_requirements( $plugin ) {
 		);
 	}
 
-	return true;
+	/**
+	 * Filters the plugin requirement validation response.
+	 *
+	 * If a plugin fails due to a Core-provided validation (incompatible WP, PHP versions), this
+	 * filter will not fire. A WP_Error response will already be returned.
+	 *
+	 * This filter is intended to add additional validation steps by site administrators.
+	 *
+	 * @since 6.9.0
+	 *
+	 * @param bool|WP_Error $met_requirements True if the plugin meets requirements, WP_Error if not.
+	 * @param string $plugin Path to the plugin file relative to the plugins directory.
+	 */
+	return apply_filters( 'validate_plugin_requirements', true, $plugin );
 }
 
 /**
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 1a84314777..558bea6ae9 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -1002,7 +1002,20 @@ function validate_theme_requirements( $stylesheet ) {
 		);
 	}
 
-	return true;
+	/**
+	 * Filters the theme requirement validation response.
+	 *
+	 * If a theme fails due to a Core-provided validation (incompatible WP, PHP versions), this
+	 * filter will not fire. A WP_Error response will already be returned.
+	 *
+	 * This filter is intended to add additional validation steps by site administrators.
+	 *
+	 * @since 6.9.0
+	 *
+	 * @param bool|WP_Error $met_requirements True if the theme meets requirements, WP_Error if not.
+	 * @param string $stylesheet Directory name for the theme.
+	 */
+	return apply_filters( 'validate_theme_requirements', true, $stylesheet );
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e317d0bb19..65b868e778 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.9-alpha-60994';
+$wp_version = '6.9-alpha-60995';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.