The plugin was notoriously resource-intensive, leading to slow performance and high battery consumption on mobile devices.

Modern technologies like HTML5 , WebGL, and WebAssembly reached maturity, providing native browser support for animations and video without the need for a separate plugin.

Flash was a frequent target for malware and was plagued by hundreds of security flaws that were increasingly difficult to patch.

Adobe partnered with Harman International to provide continued support and updates for businesses with legacy dependencies.

Adobe ended support for Flash Player due to several critical factors that made it obsolete in the modern web landscape: