Update polyfill #1
Description
Hey,
Might want to update the polyfill from https://github.com/webcomponents/webcomponentsjs/blob/master/src/MutationObserver/MutationObserver.js since it's been updated in the past 4 months.
{{ message }}
Hey,
Might want to update the polyfill from https://github.com/webcomponents/webcomponentsjs/blob/master/src/MutationObserver/MutationObserver.js since it's been updated in the past 4 months.