Although Apple also had some problems with inflated batteries lately, the class action lawsuit involving no less than 63,767 South Korean customers has been filed to seek damages because of the company's intentional CPU throttling on older models to increase their battery life. The amount Apple might pay is the equivalent of almost US$12 million.
https://www.notebookcheck.net/Batterygate-Over-63-000-South-Korean-customers-file-a-lawsuit-against-Apple.293674.0.html