Back when the 400 per cent claim jumped to 600 per cent (I think it was 2008), someone cited this as proof that the F-35 could indeed be upgraded and improved through software alone.
The software in this case being PowerPoint.
Of course, in 2008 we were still being assured that the USAF would be declaring IOC right around now, with Block 3 IOT&E just starting.
By the way, the Ignore List function is very useful. It's in the User CP menu on the left of the topmost yellow bar.