Rayan from NoobFeed writes – The Witcher 3 Next-Gen has been one of the greatest works of CD Projekt RED, but the game has had plenty of issues since its release. While Patch 4.02 did fix some specific quest bugs, but the crashes are still a major issue. Patch 4.02 did fix some specific quest bugs that are great, but the crashes are a major issue along with the flickering.
Source: N4G PC Patch 4.02 Barely Did Enough for The Witcher 3 Next-Gen