Twocanoes Releases Boot Runner 2.3 with OS X El Capitan Compatibility Posted 10/22/2015 at 1:43 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Twocanoes Software today announced the release of Boot Runner 2.3 with support for OS X 10.11 El Capitan. Boot Runner is the go-to startup solution for dual-boot Macs in classrooms, labs and enterprise workspace. Boot Runner makes it easy to manage startup of dual-boot Macs to assist users in selecting an operating system and for automating startup to ensure critical Windows security patches get installed at a specified time. Boot Runner 2.3 is a free update for Boot Runner 2 customers.