by vali petcu on WordPress.org
Cleans up over 30 problematic characters from your slugs that the original wordpress does not clean:
Automatic transliteration of Cyrillic URLs to Latin according to ISO 9 standard. WooCommerce support.
Adds the ability to configure permalinks for custom post types using rewrite tags like %post_id% and %author%.
Automatically transliterates Cyrillic letters in permalinks to their Latin phonetic equivalent. Multi-language. Can convert pre-existing permalinks.