Opera Build: 70.0.3693.0(Developer upstream)
OS: macOS 10.14.6 64-bit
When copying URLs from the URL bar and paste it in other applications (RichText or HTML capable apps), doesn't copy the plain text URL but a rich text/html(?) representation of the URL. Also, the URL will not work in Messages if send (bug in Messages?).
It should copy the raw URL in plain text. Nothing else. This has started recently with some of the newer Dev Builds (note that other browsers don't display this behaviour).
Examples (screen shots):
Copy the URL
Now copied and pasted into another application with rich text/html capability:
Copied and pasted and sent in iMessages results in a empty send.