Version 3.0.7 of the Alexa-Hue Bridge has just been released and is now available on Github.
This release (Version 3.0.7) completes a fix to handle deleted Indigo Devices and Actions which are still assigned to Alexa Devices.
It also corrects the spelling of the Alexa name.
This version is now the official V3 release - 1st September 2017 - it should appear via the plugin update check.
Download Link: https://github.com/IndigoDomotics/alexa-hue-bridge/releases
Version 3 adds the ability to directly control Indigo Actions in addition to Indigo Devices.
There are also some minor corrections and bug fixes.
PLEASE READ THE DOCUMENTATION - PARTICULARLY THE SECTION ON V2 > V3 MIGRATION