Workbox in Ionic 4?

I know StencilJS includes Workbox. Will Ionic 4 include Workbox instead of sw-toolbox?
Same question was asked on Ionic Github (

Also, would it be possible to add a category here for StencilJS (at least temporarily)?

Here is a great tutorial (haven’t tried it yet) -

Get Ionic 4 starter template for pwa at
Already configured with google workbox.