diff --git a/cyr-to-lat.php b/cyr-to-lat.php
index 7a10818..2bcba31 100644
--- a/cyr-to-lat.php
+++ b/cyr-to-lat.php
@@ -10,7 +10,7 @@
  * Plugin Name:       Cyr-To-Lat
  * Plugin URI:        https://wordpress.org/plugins/cyr2lat/
  * Description:       Convert Non-Latin characters in post and term slugs to Latin characters. Useful for creating human-readable URLs. Based on the original plugin by Anton Skorobogatov.
- * Version:           6.0.7
+ * Version:           6.0.8
  * Requires at least: 5.1
  * Requires PHP:      7.0.0
  * Author:            Sergey Biryukov, Mikhail Kobzarev, Igor Gergel
@@ -43,7 +43,7 @@
 /**
  * Plugin version.
  */
-define( 'CYR_TO_LAT_VERSION', '6.0.7' );
+define( 'CYR_TO_LAT_VERSION', '6.0.8' );
 
 /**
  * Path to the plugin dir.
diff --git a/readme.txt b/readme.txt
index 5848414..fd790d8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: SergeyBiryukov, mihdan, karevn, webvitaly, kaggdesign
 Tags: cyrillic, belorussian, ukrainian, bulgarian, macedonian, georgian, kazakh, latin, l10n, russian, cyr-to-lat, cyr2lat, rustolat, slugs, translations, transliteration
 Requires at least: 5.1
 Tested up to: 6.4
-Stable tag: 6.0.7
+Stable tag: 6.0.8
 Requires PHP: 7.0.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -221,6 +221,10 @@ Yes, you can!
 
 == Changelog ==
 
+= 6.0.8 (14.02.2024) =
+* Improved detection of the Gutenberg editor.
+* Fixed processing of product attributes.
+
 = 6.0.7 (11.02.2024) =
 * Tested with WooCommerce 8.5.
 * Added redirect from the cyrillic post title when creating a new post.
diff --git a/src/php/Main.php b/src/php/Main.php
index 9a06e84..5e8959f 100644
--- a/src/php/Main.php
+++ b/src/php/Main.php
@@ -384,7 +384,7 @@ public function woocommerce_after_template_part_filter() {
 	 * @noinspection PhpUndefinedFunctionInspection
 	 */
 	protected function is_wc_attribute_taxonomy( string $title ): bool {
-		$title = str_replace( 'pa_', '', $title );
+		$title = preg_replace( '/^pa_/', '', $title );
 
 		foreach ( wc_get_attribute_taxonomies() as $attribute_taxonomy ) {
 			if ( $title === $attribute_taxonomy->attribute_name ) {
@@ -396,22 +396,28 @@ protected function is_wc_attribute_taxonomy( string $title ): bool {
 	}
 
 	/**
-	 * Check if title is a product attribute.
+	 * Check if title is a product not converted attribute.
 	 *
 	 * @param string $title Title.
 	 *
 	 * @return bool
 	 * @noinspection PhpUndefinedFunctionInspection
 	 */
-	protected function is_wc_product_attribute( string $title ): bool {
+	protected function is_wc_product_not_converted_attribute( string $title ): bool {
+
 		global $product;
 
-		if ( null === $product ) {
+		if ( ! is_a( $product, 'WC_Product' ) ) {
 			return false;
 		}
 
-		foreach ( $product->get_attributes() as $attribute ) {
-			if ( $title === $attribute->get_name() ) {
+		// We have to get attributes from postmeta here to see the converted slug.
+		$attributes = (array) get_post_meta( $product->get_id(), '_product_attributes', true );
+
+		foreach ( $attributes as $slug => $attribute ) {
+			$name = $attribute['name'] ?? '';
+
+			if ( $name === $title && sanitize_title_with_dashes( $title ) === $slug ) {
 				return true;
 			}
 		}
@@ -432,7 +438,7 @@ protected function is_wc_attribute( string $title ): bool {
 			return false;
 		}
 
-		return $this->is_wc_attribute_taxonomy( $title ) || $this->is_wc_product_attribute( $title );
+		return $this->is_wc_attribute_taxonomy( $title ) || $this->is_wc_product_not_converted_attribute( $title );
 	}
 
 	/**
@@ -536,48 +542,31 @@ public function transliterate( string $str ): string {
 	}
 
 	/**
-	 * Check if Classic Editor plugin is active.
-	 *
-	 * @link https://kagg.eu/how-to-catch-gutenberg/
+	 * Check if the Block Editor is active.
+	 * Must only be used after plugins_loaded action is fired.
 	 *
 	 * @return bool
+	 * @noinspection PhpUndefinedFunctionInspection
 	 */
-	private function is_classic_editor_plugin_active(): bool {
+	private function is_gutenberg_editor_active(): bool {
+		// Gutenberg plugin is installed and activated.
+		// This filter was removed in WP 5.5.
+		if ( has_filter( 'replace_editor', 'gutenberg_init' ) ) {
+			return true;
+		}
+
 		// @codeCoverageIgnoreStart
 		if ( ! function_exists( 'is_plugin_active' ) ) {
 			include_once ABSPATH . 'wp-admin/includes/plugin.php';
 		}
-
 		// @codeCoverageIgnoreEnd
 
-		return is_plugin_active( 'classic-editor/classic-editor.php' );
-	}
-
-	/**
-	 * Check if Block Editor is active.
-	 * Must only be used after plugins_loaded action is fired.
-	 *
-	 * @link https://kagg.eu/how-to-catch-gutenberg/
-	 *
-	 * @return bool
-	 */
-	private function is_gutenberg_editor_active(): bool {
-
-		// Gutenberg plugin is installed and activated.
-		$gutenberg = ! ( false === has_filter( 'replace_editor', 'gutenberg_init' ) );
-
-		// Block editor since 5.0.
-		$block_editor = version_compare( $GLOBALS['wp_version'], '5.0-beta', '>' );
-
-		if ( ! $gutenberg && ! $block_editor ) {
-			return false;
+		if ( is_plugin_active( 'classic-editor/classic-editor.php' ) ) {
+			return in_array( get_option( 'classic-editor-replace' ), [ 'no-replace', 'block' ], true );
 		}
 
-		if ( $this->is_classic_editor_plugin_active() ) {
-			$editor_option       = get_option( 'classic-editor-replace' );
-			$block_editor_active = [ 'no-replace', 'block' ];
-
-			return in_array( $editor_option, $block_editor_active, true );
+		if ( is_plugin_active( 'disable-gutenberg/disable-gutenberg.php' ) ) {
+			return ! disable_gutenberg();
 		}
 
 		return true;
diff --git a/tests/unit/MainTest.php b/tests/unit/MainTest.php
index 21d17bd..262d829 100644
--- a/tests/unit/MainTest.php
+++ b/tests/unit/MainTest.php
@@ -53,7 +53,7 @@ class MainTest extends CyrToLatTestCase {
 	public function tearDown(): void {
 		// phpcs:disable WordPress.Security.NonceVerification.Missing
 		// phpcs:disable WordPress.Security.NonceVerification.Recommended
-		unset( $GLOBALS['wp_version'], $GLOBALS['wpdb'], $GLOBALS['current_screen'], $GLOBALS['product'], $_POST, $_GET );
+		unset( $GLOBALS['wpdb'], $GLOBALS['current_screen'], $GLOBALS['product'], $_POST, $_GET );
 		// phpcs:enable WordPress.Security.NonceVerification.Recommended
 		// phpcs:enable WordPress.Security.NonceVerification.Missing
 	}
@@ -779,36 +779,30 @@ static function ( $function_name ) use ( $is_wc ) {
 	}
 
 	/**
-	 * Test is_wc_product_attribute().
+	 * Test is_wc_product_not_converted_attribute().
 	 *
 	 * @param string $title      Title.
 	 * @param bool   $is_product Whether it is a product page.
-	 * @param array  $names      Attribute names.
+	 * @param array  $attributes Attribute names.
 	 * @param bool   $expected   Expected result.
 	 *
 	 * @dataProvider dp_test_is_wc_product_attribute
 	 * @throws ReflectionException ReflectionException.
 	 */
-	public function test_is_wc_product_attribute( string $title, bool $is_product, array $names, bool $expected ) {
-		$method  = 'is_wc_product_attribute';
-		$subject = $this->get_subject();
+	public function test_is_wc_product_not_converted_attribute( string $title, bool $is_product, array $attributes, bool $expected ) {
+		$product_id = 5;
+		$method     = 'is_wc_product_not_converted_attribute';
+		$subject    = $this->get_subject();
 
 		$this->set_method_accessibility( $subject, $method );
 
-		$attributes = [];
-
-		foreach ( $names as $name ) {
-			$attribute = Mockery::mock( 'WC_Product_Attribute' );
-
-			$attribute->shouldReceive( 'get_name' )->andReturn( $name );
-
-			$attributes[] = $attribute;
-		}
-
 		$product = Mockery::mock( 'WC_Product' );
-		$product->shouldReceive( 'get_attributes' )->andReturn( $attributes );
+		$product->shouldReceive( 'get_id' )->andReturn( $product_id );
 		$GLOBALS['product'] = $is_product ? $product : null;
 
+		WP_Mock::userFunction( 'get_post_meta' )->with( $product_id, '_product_attributes', true )->andReturn( $attributes );
+		WP_Mock::passthruFunction( 'sanitize_title_with_dashes' );
+
 		self::assertSame( $expected, $subject->$method( $title ) );
 	}
 
@@ -821,8 +815,16 @@ public function dp_test_is_wc_product_attribute(): array {
 		return [
 			'not a product page' => [ 'атрибут 1', false, [], false ],
 			'no attributes'      => [ 'атрибут 1', true, [], false ],
-			'no matching'        => [ 'атрибут 1', true, [ 'some' ], false ],
-			'matching'           => [ 'атрибут 1', true, [ 'some', 'атрибут 1' ], true ],
+			'no matching'        => [ 'атрибут 1', true, [ 'some' => [ 'name' => 'some' ] ], false ],
+			'matching'           => [
+				'атрибут 1',
+				true,
+				[
+					'some'      => [ 'name' => 'some' ],
+					'атрибут 1' => [ 'name' => 'атрибут 1' ],
+				],
+				true,
+			],
 		];
 	}
 
@@ -1135,8 +1137,6 @@ public static function dp_test_min_suffix(): array {
 	 * Test that sanitize_post_name() does nothing if no Block/Gutenberg editor is active
 	 */
 	public function test_sanitize_post_name_without_gutenberg() {
-		$subject = Mockery::mock( Main::class )->makePartial()->shouldAllowMockingProtectedMethods();
-
 		$data = [ 'something' ];
 
 		WP_Mock::userFunction(
@@ -1146,13 +1146,6 @@ public function test_sanitize_post_name_without_gutenberg() {
 				'return' => false,
 			]
 		);
-
-		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
-		$GLOBALS['wp_version'] = '4.9';
-		self::assertSame( $data, $subject->sanitize_post_name( $data ) );
-
-		FunctionMocker::replace( 'function_exists', true );
-
 		WP_Mock::userFunction(
 			'is_plugin_active',
 			[
@@ -1161,7 +1154,6 @@ public function test_sanitize_post_name_without_gutenberg() {
 				'return' => true,
 			]
 		);
-
 		WP_Mock::userFunction(
 			'get_option',
 			[
@@ -1171,8 +1163,45 @@ public function test_sanitize_post_name_without_gutenberg() {
 			]
 		);
 
-		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
-		$GLOBALS['wp_version'] = '5.0';
+		$subject = Mockery::mock( Main::class )->makePartial()->shouldAllowMockingProtectedMethods();
+
+		self::assertSame( $data, $subject->sanitize_post_name( $data ) );
+	}
+
+	/**
+	 * Test that sanitize_post_name() does nothing if Disable Gutenberg plugin is active
+	 */
+	public function test_sanitize_post_name_with_disable_gutenberg_plugin() {
+		$data = [ 'something' ];
+
+		WP_Mock::userFunction(
+			'has_filter',
+			[
+				'args'   => [ 'replace_editor', 'gutenberg_init' ],
+				'return' => false,
+			]
+		);
+		WP_Mock::userFunction(
+			'is_plugin_active',
+			[
+				'times'  => 1,
+				'args'   => [ 'classic-editor/classic-editor.php' ],
+				'return' => false,
+			]
+		);
+		WP_Mock::userFunction(
+			'is_plugin_active',
+			[
+				'times'  => 1,
+				'args'   => [ 'disable-gutenberg/disable-gutenberg.php' ],
+				'return' => true,
+			]
+		);
+
+		$subject = Mockery::mock( Main::class )->makePartial()->shouldAllowMockingProtectedMethods();
+
+		FunctionMocker::replace( 'disable_gutenberg', true );
+
 		self::assertSame( $data, $subject->sanitize_post_name( $data ) );
 	}
 
@@ -1190,9 +1219,6 @@ public function test_sanitize_post_name_not_post_edit_screen() {
 			]
 		);
 
-		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
-		$GLOBALS['wp_version'] = '5.0';
-
 		$subject = Mockery::mock( Main::class )->makePartial()->shouldAllowMockingProtectedMethods();
 		FunctionMocker::replace( 'function_exists', true );
 
@@ -1203,6 +1229,13 @@ public function test_sanitize_post_name_not_post_edit_screen() {
 				'return' => false,
 			]
 		);
+		WP_Mock::userFunction(
+			'is_plugin_active',
+			[
+				'args'   => [ 'disable-gutenberg/disable-gutenberg.php' ],
+				'return' => false,
+			]
+		);
 
 		$current_screen       = Mockery::mock( WP_Screen::class );
 		$current_screen->base = 'not post';
@@ -1226,9 +1259,6 @@ public function test_sanitize_post_name_not_post_edit_screen() {
 	 */
 	public function test_sanitize_post_name( array $data, array $expected ) {
 
-		// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
-		$GLOBALS['wp_version'] = '5.0';
-
 		$subject = Mockery::mock( Main::class )->makePartial()->shouldAllowMockingProtectedMethods();
 		FunctionMocker::replace( 'function_exists', true );
 
@@ -1239,6 +1269,13 @@ public function test_sanitize_post_name( array $data, array $expected ) {
 				'return' => false,
 			]
 		);
+		WP_Mock::userFunction(
+			'is_plugin_active',
+			[
+				'args'   => [ 'disable-gutenberg/disable-gutenberg.php' ],
+				'return' => false,
+			]
+		);
 
 		$current_screen       = Mockery::mock( WP_Screen::class );
 		$current_screen->base = 'post';
diff --git a/tests/unit/bootstrap.php b/tests/unit/bootstrap.php
index 697b6ff..6dc83bd 100644
--- a/tests/unit/bootstrap.php
+++ b/tests/unit/bootstrap.php
@@ -39,7 +39,7 @@
 /**
  * Plugin version.
  */
-const CYR_TO_LAT_TEST_VERSION = '6.0.7';
+const CYR_TO_LAT_TEST_VERSION = '6.0.8';
 
 /**
  * Path to the plugin dir.