A CD Projekt Red executive has confirmed that the company plans on supporting Cyberpunk 2077 for quite some time, as it wants the game to 'sell for years'. We're probably looking at a mix of free and paid DLC expansions, timely QoL improvements and patches to top up the game with fresh content.
https://www.notebookcheck.net/CD-Projekt-Red-executive-promises-long-term-support-for-Cyberpunk-2077.531923.0.html