diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index 592995a120..375648e768 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -304,7 +304,7 @@ function map_meta_cap( $cap, $user_id ) {
 					 * and `$object_subtype`, refer to the metadata object type (comment, post, term or user),
 					 * the meta key value, and the object subtype respectively.
 					 *
-					 * @since 5.0.0
+					 * @since 4.9.8
 					 *
 					 * @param bool     $allowed   Whether the user can add the object meta. Default false.
 					 * @param string   $meta_key  The meta key.
@@ -350,7 +350,7 @@ function map_meta_cap( $cap, $user_id ) {
 					 *
 					 * @since 4.6.0 As `auth_post_{$post_type}_meta_{$meta_key}`.
 					 * @since 4.7.0
-					 * @deprecated 5.0.0 Use `auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}`
+					 * @deprecated 4.9.8 Use `auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}`
 					 *
 					 * @param bool     $allowed   Whether the user can add the object meta. Default false.
 					 * @param string   $meta_key  The meta key.
@@ -359,7 +359,7 @@ function map_meta_cap( $cap, $user_id ) {
 					 * @param string   $cap       Capability name.
 					 * @param string[] $caps      Array of the user's capabilities.
 					 */
-					$allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '5.0.0', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" );
+					$allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '4.9.8', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" );
 				}
 
 				if ( ! $allowed ) {
diff --git a/wp-includes/meta.php b/wp-includes/meta.php
index 163dcc90a1..30b82bbabf 100644
--- a/wp-includes/meta.php
+++ b/wp-includes/meta.php
@@ -974,7 +974,7 @@ function is_protected_meta( $meta_key, $meta_type = null ) {
  * Sanitize meta value.
  *
  * @since 3.1.3
- * @since 5.0.0 The `$object_subtype` parameter was added.
+ * @since 4.9.8 The `$object_subtype` parameter was added.
  *
  * @param string $meta_key       Meta key.
  * @param mixed  $meta_value     Meta value to sanitize.
@@ -992,7 +992,7 @@ function sanitize_meta( $meta_key, $meta_value, $object_type, $object_subtype =
 		 * and `$object_subtype`, refer to the metadata object type (comment, post, term or user),
 		 * the meta key value, and the object subtype respectively.
 		 *
-		 * @since 5.0.0
+		 * @since 4.9.8
 		 *
 		 * @param mixed  $meta_value     Meta value to sanitize.
 		 * @param string $meta_key       Meta key.
@@ -1032,7 +1032,7 @@ function sanitize_meta( $meta_key, $meta_value, $object_type, $object_subtype =
  * @since 4.6.0 {@link https://core.trac.wordpress.org/ticket/35658 Modified
  *              to support an array of data to attach to registered meta keys}. Previous arguments for
  *              `$sanitize_callback` and `$auth_callback` have been folded into this array.
- * @since 5.0.0 The `$object_subtype` argument was added to the arguments array.
+ * @since 4.9.8 The `$object_subtype` argument was added to the arguments array.
  *
  * @param string $object_type    Type of object this meta is registered to.
  * @param string $meta_key       Meta key to register.
@@ -1148,7 +1148,7 @@ function register_meta( $object_type, $meta_key, $args, $deprecated = null ) {
  * Checks if a meta key is registered.
  *
  * @since 4.6.0
- * @since 5.0.0 The `$object_subtype` parameter was added.
+ * @since 4.9.8 The `$object_subtype` parameter was added.
  *
  * @param string $object_type    The type of object.
  * @param string $meta_key       The meta key.
@@ -1167,7 +1167,7 @@ function registered_meta_key_exists( $object_type, $meta_key, $object_subtype =
  * Unregisters a meta key from the list of registered keys.
  *
  * @since 4.6.0
- * @since 5.0.0 The `$object_subtype` parameter was added.
+ * @since 4.9.8 The `$object_subtype` parameter was added.
  *
  * @param string $object_type    The type of object.
  * @param string $meta_key       The meta key.
@@ -1216,7 +1216,7 @@ function unregister_meta_key( $object_type, $meta_key, $object_subtype = '' ) {
  * Retrieves a list of registered meta keys for an object type.
  *
  * @since 4.6.0
- * @since 5.0.0 The `$object_subtype` parameter was added.
+ * @since 4.9.8 The `$object_subtype` parameter was added.
  *
  * @param string $object_type    The type of object. Post, comment, user, term.
  * @param string $object_subtype Optional. The subtype of the object type.
@@ -1300,7 +1300,7 @@ function _wp_register_meta_args_whitelist( $args, $default_args ) {
 /**
  * Returns the object subtype for a given object ID of a specific type.
  *
- * @since 5.0.0
+ * @since 4.9.8
  *
  * @param string $object_type Type of object to request metadata for. (e.g. comment, post, term, user)
  * @param int    $object_id   ID of the object to retrieve its subtype.
@@ -1353,7 +1353,7 @@ function get_object_subtype( $object_type, $object_id ) {
 	 * The dynamic portion of the hook, `$object_type`, refers to the object
 	 * type (post, comment, term, or user).
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @param string $object_subtype Empty string to override.
 	 * @param int    $object_id      ID of the object to get the subtype for.
diff --git a/wp-includes/post.php b/wp-includes/post.php
index ddc4fdc1d1..d5deabcb42 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -1992,7 +1992,7 @@ function delete_post_meta_by_key( $post_meta_key ) {
 /**
  * Registers a meta key for posts.
  *
- * @since 5.0.0
+ * @since 4.9.8
  *
  * @param string $post_type Post type to register a meta key for. Pass an empty string
  *                          to register the meta key across all existing post types.
@@ -2010,7 +2010,7 @@ function register_post_meta( $post_type, $meta_key, array $args ) {
 /**
  * Unregisters a meta key for posts.
  *
- * @since 5.0.0
+ * @since 4.9.8
  *
  * @param string $post_type Post type the meta key is currently registered for. Pass
  *                          an empty string if the meta key is registered across all
diff --git a/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php b/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php
index d006e02464..c3a810f33c 100644
--- a/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php
+++ b/wp-includes/rest-api/fields/class-wp-rest-comment-meta-fields.php
@@ -30,7 +30,7 @@ class WP_REST_Comment_Meta_Fields extends WP_REST_Meta_Fields {
 	/**
 	 * Retrieves the object meta subtype.
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @return string 'comment' There are no subtypes.
 	 */
diff --git a/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php b/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
index b85bbe9e9f..e2fb0e1632 100644
--- a/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
+++ b/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
@@ -27,7 +27,7 @@ abstract class WP_REST_Meta_Fields {
 	/**
 	 * Retrieves the object meta subtype.
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @return string Subtype for the meta type, or empty string if no specific subtype.
 	 */
diff --git a/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php b/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php
index d1c3ad6ad9..cddc50dcd4 100644
--- a/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php
+++ b/wp-includes/rest-api/fields/class-wp-rest-post-meta-fields.php
@@ -49,7 +49,7 @@ class WP_REST_Post_Meta_Fields extends WP_REST_Meta_Fields {
 	/**
 	 * Retrieves the object meta subtype.
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @return string Subtype for the meta type, or empty string if no specific subtype.
 	 */
diff --git a/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php b/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php
index be9f67bf49..237a4c01e0 100644
--- a/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php
+++ b/wp-includes/rest-api/fields/class-wp-rest-term-meta-fields.php
@@ -49,7 +49,7 @@ class WP_REST_Term_Meta_Fields extends WP_REST_Meta_Fields {
 	/**
 	 * Retrieves the object meta subtype.
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @return string Subtype for the meta type, or empty string if no specific subtype.
 	 */
diff --git a/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php b/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php
index 5af3c76a9c..d35cb2ba59 100644
--- a/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php
+++ b/wp-includes/rest-api/fields/class-wp-rest-user-meta-fields.php
@@ -30,7 +30,7 @@ class WP_REST_User_Meta_Fields extends WP_REST_Meta_Fields {
 	/**
 	 * Retrieves the object meta subtype.
 	 *
-	 * @since 5.0.0
+	 * @since 4.9.8
 	 *
 	 * @return string 'user' There are no subtypes.
 	 */
diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index 3f9b960538..1806ad0fdb 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -1325,7 +1325,7 @@ function has_term_meta( $term_id ) {
 /**
  * Registers a meta key for terms.
  *
- * @since 5.0.0
+ * @since 4.9.8
  *
  * @param string $taxonomy Taxonomy to register a meta key for. Pass an empty string
  *                         to register the meta key across all existing taxonomies.
@@ -1343,7 +1343,7 @@ function register_term_meta( $taxonomy, $meta_key, array $args ) {
 /**
  * Unregisters a meta key for terms.
  *
- * @since 5.0.0
+ * @since 4.9.8
  *
  * @param string $taxonomy Taxonomy the meta key is currently registered for. Pass
  *                         an empty string if the meta key is registered across all
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 230caf1385..7f78a2f554 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43519';
+$wp_version = '5.0-alpha-43520';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.