Access to the file system, the clipboard etc. is a serious security risk. You are committed to supporting deliberately insecure browsers instead of good ones, b

Access to the file system, the clipboard etc. is a serious security risk. You are committed to supporting deliberately insecure browsers instead of good ones, because the latter are limiting: a worrying backwards attitude towards users. By the way, what are the benefits that made you choose a web app instead of a proper native application?