I don't know how recent a development this is, as I was misdirected there by a wonky SSL certificate, and as of five minutes ago I'm getting the familiar VD16 search interface again. If this had been in place a few years ago, it might have saved me many hours of copying and pasting individual fields from VD16 searches.
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PS. And Google Books now finds digital copies of both volumes of Johann Wolf's 1600 Lectionum memorabilium, a vast collection of prophecies, chronicle entries, and similarly dubious texts from (what Wolf thought was) sixteen centuries. It's an incredibly important source for many medieval and early modern topics, but it's not widely available, and until now hasn't been digitized. One of the digitized volumes is from the BSB, but the digital edition doesn't turn up in their catalog yet.