The final release of the FIXM ICAO Verified Extension v1.0.0 was published on December 15, 2017.
This release contains the Schemas, Schema Documentation, and Logical Model. These reflect the CCB-approved changes based on the following approved change requests (CR):
#8 - Revised Extension Mechanism
#9 - Add Support for ICAO CHG Message
The CRs are available on the FIXM Work Area (https://ost.eurocontrol.int/sites/FIXM/Change%20Requests/Forms/AllItems.aspx). If you are new to the Work Area, directions for accessing the Work Area are available on FIXM.aero at https://www.fixm.aero/documents/Accessing%20the%20new%20FIXM%20work%20area.pdf