A recent Sony patent for a virtual reality headset with haptic feedback indicates strongly that the company is working on a successor to the PSVR, despite saying that it had no plans to do so. The patent illustrations indicate that the purported PSVR2 will be far lighter and thinner than the original. But, with no official announcement from Sony, it's up in the air as to when (or if) the PSVR2 will arrive.
https://www.notebookcheck.net/Sony-planning-PSVR-2-and-PS5-VR-headset-patent-surfaces.506104.0.html