I have been using it for many months on amd64, i686, armv6j_hardfp, and armv7a_hardfp. Please mark it stable on both armv6j_hardfp and armv7a_hardfp.
app-admin/ccze isn't keyworded on arm. If you want it to get stabilized on arm, please open a keyword request for ~arm and/or ~arm64 first.
Relevant info: https://devmanual.gentoo.org/keywording/