Masked email: associate to existing created masked email.

Is it though?

I don't want to be contrarian, but the feature I was talking about is missing from the 1password 8 beta, but is already available in the web UI of 1password see:

That would indicate that the "different handling of the masked-email field" (with support of "block incoming emails") is a different thing entirely from the "being able to associate existing masked emails" which is a feature not available in any form of 1password client.