diff --git a/wp-includes/class-wp-theme-json.php b/wp-includes/class-wp-theme-json.php
index cb48672c43..7d1216a451 100644
--- a/wp-includes/class-wp-theme-json.php
+++ b/wp-includes/class-wp-theme-json.php
@@ -1317,6 +1317,8 @@ class WP_Theme_JSON {
 	 *                          - `variables`: only the CSS Custom Properties for presets & custom ones.
 	 *                          - `styles`: only the styles section in theme.json.
 	 *                          - `presets`: only the classes for the presets.
+	 *                          - `base-layout-styles`: only the base layout styles.
+	 *                          - `custom-css`: only the custom CSS.
 	 * @param string[] $origins A list of origins to include. By default it includes VALID_ORIGINS.
 	 * @param array    $options {
 	 *     Optional. An array of options for now used for internal purposes only (may change without notice).
diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index 348267b6a5..09d7867156 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -6316,7 +6316,7 @@ function wp_interactivity_process_directives_of_interactive_blocks( array $parse
  * Gets the global styles custom CSS from theme.json.
  *
  * @since 6.2.0
- * @deprecated 6.7.0 Use {@see 'wp_get_global_stylesheet'} instead.
+ * @deprecated 6.7.0 Use {@see 'wp_get_global_stylesheet'} instead for top-level custom CSS, or {@see 'WP_Theme_JSON::get_styles_for_block'} for block-level custom CSS.
  *
  * @return string The global styles custom CSS.
  */
diff --git a/wp-includes/global-styles-and-settings.php b/wp-includes/global-styles-and-settings.php
index 34fc28694b..b75dd79ea6 100644
--- a/wp-includes/global-styles-and-settings.php
+++ b/wp-includes/global-styles-and-settings.php
@@ -142,7 +142,7 @@ function wp_get_global_styles( $path = array(), $context = array() ) {
  * @since 6.6.0 Resolves relative paths in theme.json styles to theme absolute paths.
  *
  * @param array $types Optional. Types of styles to load.
- *                     It accepts as values 'variables', 'presets', 'styles', 'base-layout-styles'.
+ *                     See {@see 'WP_Theme_JSON::get_stylesheet'} for all valid types.
  *                     If empty, it'll load the following:
  *                     - for themes without theme.json: 'variables', 'presets', 'base-layout-styles'.
  *                     - for themes with theme.json: 'variables', 'presets', 'styles'.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a34974ec3d..b6e7a1f23a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59498';
+$wp_version = '6.8-alpha-59499';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.