I added LeanPub (a self-publishing platform) support to my technical writing tool Helpinator a while ago, but did not see any significant interest in this featu

I added LeanPub (a self-publishing platform) support to my technical writing tool Helpinator a while ago, but did not see any significant interest in this feature. May be I am experiencing a kind ob bias in this case, authors of technical books are exceptional people at most :)