The shading on mobs or different entities are incorrect

Following the introduction of the new order-independent transparency algorithm in 26.3 snapshot 2, entity lighting and shading are rendering incorrecly. The top faces and general models of various entities-including sheep, pigs, slimes, boats and other mobs or entities- appear significantly darker than normal or completely unlit. The issue persists across default graphics configurations, severely altering the intended vibrant visuals of mobile/passive mobs and interactive elements