Yup, you can get it here:
https://ci.openhab.org/job/openHAB2.5.x-Addons/ws/bundles/org.openhab.binding.amazonechocontrol/target/
To clarify, the problem seemed to have stemmed from a change on amazon’s side. The updated version addresses these issues.
In case you want the details the discussion thread is here:
https://community.openhab.org/t/web-socket-error-on-amazonechocontrol-binding-every-65-seconds