The challenge, as we see it, is not that we didn't address open issues (we've put out a release every 3 weeks for the past 4+ years!), the challenge instead is that we didn't explain how we pick the issues that we do to work on. That is being addressed and you'll soon see us share our process transparently.
With close to 400K monthly active developers using our library and over 9M monthly downloads on NPM, one can imagine that the issues keep piling up!