Try generating the minimum versions instead.

includes/class-create-block-theme-editor-tools.php

@@ -38,6 +38,13 @@ function create_block_theme_sidebar_enqueue() {
 			'create-block-theme-slot-fill',
 		);
 
+		global $wp_version;
+		wp_add_inline_script(
+			'create-block-theme-slot-fill',
+			'const WP_VERSION = "' . $wp_version . '";',
+			'before'
+		);
+
 		// Enable localization in the plugin sidebar.
 		wp_set_script_translations( 'create-block-theme-slot-fill', 'create-block-theme' );
 	}

src/editor-sidebar/metadata-editor-modal.js

@@ -30,6 +30,7 @@ import { MediaUpload, MediaUploadCheck } from '@wordpress/block-editor';
  */
 import { postUpdateThemeMetadata, fetchReadmeData } from '../resolvers';
 import { getFontsCreditsText } from '../utils/fonts';
+import { generateWpVersions } from '../utils/generate-versions';
 
 const ALLOWED_SCREENSHOT_MEDIA_TYPES = [
 	'image/png',
@@ -40,17 +41,7 @@ const ALLOWED_SCREENSHOT_MEDIA_TYPES = [
 	'image/avif',
 ];
 
-const WP_MINIMUM_VERSIONS = [
-	'5.9',
-	'6.0',
-	'6.1',
-	'6.2',
-	'6.3',
-	'6.4',
-	'6.5',
-	'6.6',
-	'6.7',
-];
+const WP_MINIMUM_VERSIONS = generateWpVersions( WP_VERSION ); // eslint-disable-line no-undef
 
 export const ThemeMetadataEditorModal = ( { onRequestClose } ) => {
 	const [ theme, setTheme ] = useState( {

src/utils/generate-versions.js

@@ -0,0 +1,21 @@
+export function generateWpVersions( versionString ) {
+	const version = versionString.split( '-' )[ 0 ];
+	let [ major, minor ] = version.split( '.' ).slice( 0, 2 ).map( Number );
+
+	const versions = [];
+
+	// Iterate through the versions from current to 5.9
+	while ( major > 5 || ( major === 5 && minor >= 9 ) ) {
+		versions.push( `${ major }.${ minor }` );
+
+		// Decrement minor version
+		if ( minor === 0 ) {
+			minor = 9; // Wrap around if minor is 0, decrement the major version
+			major--;
+		} else {
+			minor--;
+		}
+	}
+
+	return versions;
+}