diff --git src/wp-includes/update.php src/wp-includes/update.php
index 04c8aa3ec2..0e57f0dbc7 100644
--- src/wp-includes/update.php
+++ src/wp-includes/update.php
@@ -99,8 +99,36 @@ function wp_version_check( $extra_stats = array(), $force_check = false ) {
 		'users'              => get_user_count(),
 		'multisite_enabled'  => $multisite_enabled,
 		'initial_db_version' => get_site_option( 'initial_db_version' ),
+		'extensions'         => array_combine( get_loaded_extensions(), array_map( 'phpversion', get_loaded_extensions() ) ),
+		'platform_flags'     => array(
+			'os'   => PHP_OS,
+			'bits' => PHP_INT_SIZE === 4 ? 32 : 64,
+		),
+		'image_support'      => array(),
 	);
 
+	if ( function_exists( 'gd_info' ) ) {
+		$gd_info = gd_info();
+
+		// Filter to supported values.
+		$gd_info = array_filter( $gd_info );
+
+		// Add data for GD WebP and AVIF support.
+		$query['image_support']['gd'] = array_keys( array_filter( array(
+			'webp'    => isset( $gd_info['WebP Support'] ),
+			'avif'    => isset( $gd_info['AVIF Support'] ),
+		) ) );
+	}
+
+	if ( class_exists( 'Imagick' ) ) {
+
+		// Add data for Imagick WebP and AVIF support.
+		$query['image_support']['imagick'] = array_keys( array_filter( array(
+			'webp'    => ! empty( Imagick::queryFormats('WEBP') ),
+			'avif'    => ! empty( Imagick::queryFormats('AVIF') ),
+		) ) );
+	}
+
 	/**
 	 * Filters the query arguments sent as part of the core version check.
 	 *