Related, I think, to this message: https://discourse.devontechnologies.com/t/clutter-free-layout/23144
The Clip to DEVONthink extension only works in the regular view. In Reader view, nothing happens.
The Clip to DEVONthink bookmarklet opens the sorter window, but instead of saving a formatted note, saves an internet location that won’t actually load or open:
When in the normal view, both the plugin and the bookmarklet save a nice, clutter-free version:
(Firefox 84.0.2 [64-bit], macOS Catalina 10.15.7, DEVONthink Server 3.6.1)