FAA Continues To Stall On G100UL - AVweb

Where did the 105 octane Swift100R fuel disappear to? The FAA has had it for about 7 years. It is still listed on Swift’s website as a replacement for all GA engines. GAMI worked with Swift for 4 years (2014 - 2018). Were there too many patents placed on the Swift fuel to allow GAMI to move forward with their G100UL or is there something else in play here?