（原标题：Adobe同时发布Flash Player 21与Air 21测试版本）
摘要：Adobe Flash的安全性令其在业内已然声名狼藉，让其告别世界的声音此起彼伏，不过Adobe还是在坚强地维系着它的生命，今天Flash 21与Air 21的Beta版双双发布，产品代号“萨特”。不过不用指望有太大的变化，Adobe自己也表明21版本仅仅是一个包括安全性、稳定性、性能和设备兼容性的一个增量式的进步而已。同时Adobe也警告称Beta版软件有一定的实验性质，在升级和使用时需要多加注意。更新列表:
http://labsdownload.adobe.com/pub/labs/flashruntimes/shared/air21_flashplayer21_releasenotes.pdf
下载地址:
Adobe Flash Player 21 Beta for Internet Explorer ActiveX (32/64-bit)
Adobe Flash Player 21 Beta for Firefox and Netscape Plug-In NPAPI (32/64-bit)
Adobe Flash Player 21 Beta for Opera and Chromium PPAPI (32/64-bit)
Adobe Flash Player 21 Beta for Safari, Firefox and Netscape Plug-In compatible applications NPAPI (for Mac)
Adobe Flash Player 21 Beta for Opera and Chromium based applications PPAPI (for Mac)
Adobe Flash Player 21 Beta standalone for Windows 32-bit
Adobe Flash Player 21 Beta standalone for Mac 32-bit
Adobe AIR 21 Beta for Windows
Adobe AIR 21 Beta for Mac OS X
Adobe AIR 21 SDK & Compiler Beta for Windows
Adobe AIR 21 SDK and Compiler Beta for Mac OS X
Adobe AIR 21 SDK Beta for Flex Developers for Windows
Adobe AIR 21 SDK Beta for Flex Developers for Mac OS X
