While I appreciate Repl.it's move to a mobile-friendly editor and the eagerness to push new (yet hurried, apparently from the document) features to provide a be

While I appreciate Repl.it's move to a mobile-friendly editor and the eagerness to push new (yet hurried, apparently from the document) features to provide a better development environment, I question their decision to use CodeMirror 6, a version of the CodeMirror "project (that) is in the beta phase—there's a stable interface, but small breaking changes might still happen".