Version 46.2 is available upstream. Please consider updating! It seems that version 46.2 is available upstream, while the latest version in the Gentoo tree is 45.2-r1. You think this warning is false? Read more about it here.
Orca is a flexible, extensible, and powerful assistive technology
for people with visual impairments. Using various combinations of
speech synthesis, braille, and magnification, Orca helps provide
access to applications and toolkits that support the AT-SPI (e.g.,
the GNOME desktop).