Weren't the keyboard reliability issues largely addressed with the addition of membranes which keep out debris? Or is it a change of feel that you're hoping for?
The first gen was the first 12" Macbook. The second gen was the MBP with the high failure rate. The 3rd gen was the design with the additional membrane that was introduced with the MBP update earlier this year.
https://mjtsai.com/blog/2018/10/16/the-2018-macbook-keyboard...
https://twitter.com/arno_app/status/1056943680249061383