Both z.enemy (latest) and t-rex (recommended) have been updated supporting ravencoin hardfork to x16rv2 algo, just check out the latest updates with nvOC upgrade commands.

Hints about how to add x16rv2 to 1bash meanwhile we get it to release channel: https://github.com/papampi/nvOC_by_fullzero_Community_Release/commit/9ccd5f80ed6f7b9728db12f652a90a005154a2a6

(edit: now in release channel as well)