This morning I discover the new clippings and I am very disappointed! The window is ALWAYS over the browser window. It disturbs a lot! All the clippings have the same color, impossible to allow them another color ... or did I miss something? I would have given 6 stars to the old version but here I give only 2. It doesn't deserve more.
The Mozilla team is rolling out a fix for Firefox which should resolve the certificate issue affecting all add-ons. See their Twitter feed for details: https://twitter.com/mozamo/status/1124627930301255680