Following articles goes into length describing the issue in general.

• https://pavelfatin.com/typing-with-pleasure/
• https://blog.jetbrains.com/idea/2015/08/experimental-zero-latency-typing-in-intellij-idea-15-eap/
• https://news.ycombinator.com/item?id=10787812

The subtle typing lag is observed in VS Code in same machine in which the typing is lag free with sublime text and even eclipse. This feature request is to look into the issue and address it if feasible.