LG screen blurry after Ventura upgrade

Hi,

Related to My LG Monitor is blurry after upgrade to … - Apple Community my LG 34WK95U-W 34" 5K Ultra HD LED flat monitor on resolution 3440x1440 has also become really blurry after upgrading to the latest Ventura (13.4.1 (c) (22F770820d)). Prior to this version this resolution had no issue. Any ideas how to fix?