Yes. The new docs are here. The new add on code is in beta though and not fully stable so you have to keep an eye on it. https://thunderbird-webextensions.r

Yes. The new docs are here. The new add on code is in beta though and not fully stable so you have to keep an eye on it. https://thunderbird-webextensions.readthedocs.io/en/latest/ https://thunderbird-webextensions.readthedocs.io/en/latest/