No recaptcha v3 support, and no indication given

[teo1978]

Here:

there is no indication whatsoever that Recaptcha v2 is supported and v3 is not (I don't know about v1).

So, I followed the link given there, and created a site key and secret key for my domain with recaptcha v3.
I was given no warning when saving the settings either.
When trying out the contact form provided by the Simple Contact Form plugin, I would systematically get the error from Recaptcha: invalid key type.

So I tried using recaptcha v2 and it worked.

If v3 is not supported, this MUST be clearly stated in the admincp next to the fields shown above.

If it is supposed to be supported, then it doesn't work.

[zerocrates]

Recaptcha v1 no longer exists.

v2 is the version supported by current versions of Classic.

v3 did not exist when this version was released. We can add a note to the effect that only v2 is supported.