Version 0.9.2 works perfect with FF 131.x again.
Best Translator Add-On for me.
Thanks!

Since Firefox 131.0 the addon no longer works. Or DeepL had changed something and it has nothing to do with Firefox 131.0, but is just a coincidence of timing. I don't know.

Update 2024-10-15:
The addon works again.

It was great but it's not working anymore, all text is lost...

This add-on is not working properly. It does not translate the selected text. I have to copy it separately to DeepL.

Esfunktioniert au iMac Firefox nicht. Ärger mit Zeitverlust

Beats Google in accuracy and correct translation of idioms.

The best translator

"Sorry, we couldn't translate your text. Please try again later."

This is the best add-on for Deepl.
If possible, I would like to see "To DeepL translation" also available as a search engine.

Makes a broken tab pop up.

does exactly what it says, it's good

Well, some cleaver shortcut implemented in the right click. Works.

Only work when select "New tab" in addon settings.

Add-on & website (https://www.deepl.com/translator) both broken by YesScript2 add-on, even in its no-blocking state (grey).

(DeepL states that it is not Internet Explorer compatible — while I am using Firefox — and advises to use Edge Browser instead).
Even though YesScript2 seems not been updated since 2017.

This has been going on for a few months (last November?) but I don't know if it is due to an update of DeepL or Firefox.

Also reported on the YesScript2 add-on page.