Long compile time (webpack, bootstrap)

Hello, i have question about compiling time with webpack (sage9).
With bootstrap it takes about 5-8 seconds after every saved file.
Withut bootstrap it take ~0.5ms. It is possible to speed up compiling without disabling bootstrap?
I like bootstrap but wait 5-8 seconds after every changed scss file drive me crazy.
Do you have any solution for that?

Thanks for your help:).

I’m seeing the same issue, although for me it is taking about 3 seconds to compile, which is still much too long for my tastes.

Webpack is outputting:

 DONE  Compiled successfully in 3274ms