Amazon will transition all future Fire TV devices to its proprietary Vega OS, which will eliminate the ability to sideload apps on Fire TV Sticks. This change aims to enhance security and reduce illegal streaming but limits user customization. The latest models, including the Fire TV Stick 4K Select and the upcoming Fire TV Stick HD, will feature Vega OS. The cloud-based system allows for seamless access to updated streaming services like Netflix and Disney+, reducing reliance on device processing power and production costs. However, it significantly reduces user autonomy by removing the option to sideload third-party applications.