Updated grammar engine with the grammar rules for Catalan, Dutch, English, French, German, Greek, Italian, Portuguese, Russian, Spanish and Ukrainian.
The Ukrainian language is added to the list of default languages and shipped with the standard package. Both spelling and grammar checking is available for Ukrainian. Check the demo with Ukrainian here.
[WP-2831]: WProofreader: After pressing ‘Ctrl+Z’ problem markup is not refreshed
[WP-2881]: WProofreader: Incorrect problem markup for CKEditor 5 with multi-cursor