Because not all issues are worth forking. You introduce another delay for security updates to get through (and this text editor has a browser under the hood, s

Because not all issues are worth forking. You introduce another delay for security updates to get through (and this text editor has a browser under the hood, so very much needs security updates) and you get a not necessarily trustworthy and not necessarily dependable third party into the mix. They could ship malware in their build or abandon updating the software at any point.