Amazon cites malware threat to end Fire Stick sideloading
Amazon blames malware for stopping new Fire Sticks that support sideloading apps outside its Appstore.

Amazon is blaming the threat of malware for its decision to stop releasing new Fire Sticks that support sideloading apps from outside Amazon’s Appstore. Amazon has released two Fire Stick models that use its proprietary, Linux-based operating system, Vega OS. Previous Fire Sticks ran Fire OS, which is an Android fork based on the Android Open Source Project.
One of the biggest differences between Vega OS and Fire OS is that the former doesn’t support sideloading. It wasn’t surprising when Amazon released its first Vega OS-based Fire Stick. Although many tinkerers sideloaded apps, especially from the Google Play Store, for added functionality, sideloading had also become largely associated with streaming piracy, especially of sporting events.
The new Fire Sticks running Vega OS reflect Amazon's efforts to crack down on piracy while prioritizing user security. By discontinuing sideloading support, Amazon aims to protect its users from potential malware threats. Why this matters: The decision by Amazon to discontinue sideloading on new Fire Sticks has significant implications for the streaming and tech industries.
For developers, this move may limit the reach of their apps, potentially driving them to explore other platforms. Businesses and consumers alike will need to adapt to a more restricted app ecosystem, which could impact the types of services and features available on Fire Sticks. As streaming piracy continues to be a concern, Amazon's approach may set a precedent for other companies to prioritize security over flexibility.
The question remains as to how this will affect the broader streaming market and whether other companies will follow suit in curtailing sideloading capabilities.
Source: Ars Technica