Candidate features of Volcano v1.4

[William Wang]

Hi team,

This is william on behalf of Volcano Team. We're planning the feature of v1.4; if there's any feature important for your scenarios or you'd like to contribute, please let us know :)

Best regards,

William Wang

[Klaus Ma]

let's do this based on google excel here: https://docs.google.com/spreadsheets/d/1L_UaJ81pZcoTYkAxQplCPFsm_VZCslhqB4xYs8R7s10/edit?usp=sharing