very confusing and buggy tool, it adds things I didn't ask for

Very helpful.

This tool may be useful for newbies, but certainly not for experienced Wikidata editors, as no one in their right mind would use P854 in references. In case anyone else is not aware, this tool is unhelpful when it is being used in references because it relies on the incorrect (from the Wikidata point of view) P854 property instead of the existing Wikidata external identifier. I don't recommend it to anyone until the obvious major errors are corrected.

The new update opens faster, but I can't use it anymore for linking Wikipedia pages to wikidata. It doesn't open the "match item" and "add properties" fields, just the "(Language) Wikipedia" item. Other websites work fine, though.

I found a workaround by opening the mobile version on the desktop.

Could use a little love to make it faster but definitely a great help and fun way to add things!

A button (or something similar) that opens a new tab with the Wikidata page for the item in question would be nice.

A great way to enhance your web-browsing experince by seeing additional independant information about the subject of what you are looking at automatically appearing in a sidebar