FYI, the first page of the Weld 3 documentation makes no mention of JSR 365 nor CDI 2.0. The page only discusses JSR 299 & JSR 346, and CDI 1.0 & 1.1.

https://docs.jboss.org/weld/reference/3.0.0.CR2/en-US/html/_a_note_about_naming_and_nomenclature.html