Classic regression in search results. "Files" and "UI" are just generic words, not a powerful and specific neologism like Dropzone, so searches for files-ui together with other keywords turn up endless irrelevant rules.

A key rule of SEO is never change the name of something successful right next to never change the URL of something successful.

I know it's too late but I just wanted you to know that fashionably changing the name of your library every few months has consequences.