Yes, today's build has the August 5th security patches but not the fix for the keymap bug. Trying to flash an older release triggers the rollback protection in the closed source components, and will force a factory reset to recover :-(
Unfortunately we haven't found a fix for the problems with the touchscreen on other devices. This leaves us with a difficult choice, between the security patches and proper keymap support when the accessibility hook is enabled. I don't have any easy answer (other than building your own OS image), but the full details of the August security patches are here: