Filter out unsupported browsers

We have a lot of noise in Sentry from browsers that we do not support. We currently use browserslist to configure our supported browsers and to Polyfill only for those browsers. Sentry provides filtering by Legacy Browsers which seems to be an arbitrary selection of old browsers, but how can we filter by our specific requirements.

Our .browserslist.rc looks like this:

not dead

I can’t find any mechanism for filtering based on a list of supported browsers.