Query 1: Regarding SfChart over chart,
We would like to inform you that, when comparing the SfChart with classic chart, SfChart has lots of enriched features and we are able to apply various Template for features present in SfChart. While comparing the SfChart and classic chart in case of Performance, the performance of SfChart is higher than the classic chart. So, we suggest you to use SfChart.
Query 2: Regarding Zooming support in SfChart3D
Unfortunately, we are still unable to share a specific timeline for implementation at this time. We do have plans to implement this functionality but there are some more higher priority items on our to-do list that we have to complete first and also the implementation of this feature would greatly depend on the factors such as product design, code compatibility and complexity, we will implement this feature in any of our upcoming releases.