It seems that F-35 still has problems but they are slightly different than described in the article. There is also neat solution, cut F-35 orders by third to pay for increased maintenance and operating costs. http://fortune.com/2018/03/28/air-force-f-35-cost-cuts/
The beauty of all this is that this works out fine as long as there is no large high intensity war against near peer opponent in next 20-30 years.