Metaculus estimates [1] that Bing's marketshare will rise from 3.03% on Jan 15 to 4.07% by Dec 31, 2023, and it's trending up slightly as Microsoft's plans become more concrete.
[1] https://www.metaculus.com/questions/14409/bing-search-market...
[1] https://www.metaculus.com/questions/14409/bing-search-market...
Our intention is to bring it to all browsers. We're starting with Edge. Chrome has to implement some things to make it work, but our intention is all browsers.