FEMA, on iTunes wrote:

What's New

Get ready to take on three pulse-pounding, limited-time series to earn awesome cars from some of our most exciting manufacturers! Beat the competition and get the:

• Lamborghini Miura
• Jaguar CX75
• McLaren 570GT

Check them out today, and start racing!

UPDATE:
AppStore shows this as version 6.0.7, whereas Google Play shows this as version 6.0.5.

On first opening the new update, there was a small hotfix.