The FAA issued Airworthiness Directive 2019-01-02 back in February 2019 to address a safety-of-flight-issue with many Aspen Avionics Evolution flight displays, and the company this week announced a fix with a new software modification.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/aspen-avionics-new-software-fix-for-faa-ad