Exactly as I've thought. It's strange that it worked a couple of hours earlier. DId the headers change in the meantime?
Yes, downloadable version ... I had it on my drive and I went searching for it ... yet I couldn't find it. Wait, I'll check on another workstation ...
I've found a version from August 2019 and it's working with Hive :)
I believe there were no changes in headers, because they restrict usage by domains that are listed there.
So, to fix this issue @steemchiller has to add HIVE domains to the allowed list: