On September 30th, 2019, the minimum required version of Stencil CLI will be raised to 1.20.2 from 1.8.0.
After September 30th, you will not be able to run
stencil start without being on at least the minimum supported version.
This update will ensure support for the latest features of Stencil as of Cornerstone 4.0.
To update to the latest version of stencil-cli, simply run
npm install -g @bigcommerce/stencil-cli. We recommend using the latest node 8.x for best results.
Edit: We have bumped this version to 1.20.2 as 1.20.1 had a bug that caused issues for some developers.