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:The official closed-source implementation by Adobe, who discontinued it in 2020. The web version relies on [[wikipedia:NPAPI|NPAPI/PPAPI]], an obsolete browser plugin system that for many years only stuck around specifically because of this Flash plugin; when the plugin was officially dropped by Adobe, so too was the plugin system dropped by all the major browser vendors. The desktop player version is still available for download from the Adobe website's debug downloads section, and Harman International is also [https://airsdk.harman.com/flashplayer maintaining an extended support version specifically for enterprise users].

::A payware HTML5 emulation package which combines CheerpX, an x86 emulator in WebAssembly, with Harman International's extended support version of the official Adobe Flash player from AdobePlayer. No-one on this wiki has formally evaluated it (yet), but you shouldn't expect amazing performance given the added complexity of such an approach.