According to the user, CD Projekt Red in the community event said that The Witcher 3 sidequests were designed as branching events from the main storyline, which would then, sometimes, make it back…

CD Projekt Red Says Cyberpunk 2077 to Have Shorter Main Story Than The Witcher 3, More Complex Sideq

Source: [H]ardOCP – CD Projekt Red Says Cyberpunk 2077 to Have Shorter Main Story Than The Witcher 3, More Complex Sideq