According to Safari version history - Wikipedia, Safari 14.0.3 is available Mojave, Catalina, and Big Sur. Software Update should offer it to you, and I can't figure out how to d/l it otherwise.
Are you certain that you're running the latest version of your extension?
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire
