A retailer has confirmed that Google plans to release new Fabric Cases for the Pixel 6 and Pixel 6 Pro. This year's cases will be cheaper than the Pixel 5's too, but there will be no return of Google's Active Edge sensors that existed up to the Pixel 4 series.
https://www.notebookcheck.net/Google-Pixel-6-and-Pixel-6-Pro-unlikely-to-support-Active-Edge-sensors-cheaper-Fabric-Cases-to-return-this-year.561218.0.html