Active Edge – launching the Google Assistant by squeezing the phone – was introduced with the Pixel 2 and was present on the 3 and 4 as well. But then it was cut from the Pixel 5, which introduced an unrelated feature dubbed Battery Share (i.e. reverse wireless charging). The upcoming Pixel 6 and 6 Pro will support both Active Edge and Battery Share, according to Mishaal Rahman of XDA. The two phones will probably arrive without a charger in the box, the vanilla phone will have 4,614 mAh battery capacity, the Pro will have 5,000 mAh in its tank. Fabric cases for the Google Pixel 6...
Source: https://www.gsmarena.com/the_pixel_6_series_may_bring_back_active_edge_will_keep_battery_share_is_getting_fabric_cases-news-50926.php