There were a lot of lessons learned that have been documented with the Phoenix project, many of which are being applied in the case of NextGen, but there's also a lot of ongoing work to gradually reduce and stabilize the current system. We are very much on track to doing that. It's a system we now understand a lot better than we did when it was initially launched, so the ability to work within the Phoenix system has improved.
On March 4th, 2022. See this statement in context.