MozillaFirefox56。0。2正式版发布

　　相比Mozilla Firefox 54/55在性能上的巨大改进，56版本就像是一个修复问题的过渡版，不过新功能方面也有一些，主要是加入了一个截屏工具和更稳定的同步特性，除了部分图标的完善以及设置菜单的搜索功能完善外，性能上没有太多的改善。不过56版本是老架构的最后一个版本，接下来值得期待的是Firefox 57，全新的设计带来了两倍于前一代的速度（不过代价是几乎所有的旧扩展都要重新编写）。
　　下载地址:
　　https://ftp.mozilla.org/pub/firefox/releases/56.0.2/ 更新列表:
　　https://www.mozilla.org/en-US/firefox/56.0.2/releasenotes/
　　Fixed
　　Block D3D11 when using Intel drivers on Windows 7 systems with partial AVX support (  bug 1403353  )
　　Changed
　　Users of 32-bit Firefox on 64-bit Windows are migrated to 64-bit Firefox for increased stability and security.
　　Reference link to  56.0 release notes
　　unresolved
　　Some older versions of the ATOK IME, including ATOK 2008 and 2009, can cause crashes or may not work on the Windows 64-bit version of Firefox. To fix those incompatibility issues, please use a newer version of ATOK or one of other IMEs.
　　Some third party software (Comodo Internet Security, Kaspersky, Quick Heal Antivirus) are known to cause issues with Firefox 64-bit. These vendors have published new releases which addresses the issues.
　　GSSAPI and Kerberos authentication  do  work in 64-Bit Windows Firefox. However it requires the advanced setting ＂network.negotiate-auth.gsslib＂ to contain the string ＂gssapi64.dll＂ because the default value (which is chosen if left empty) is wrong. Future versions of Firefox will contain a correct default value.
　　Due to a bug in Mac OS X High Sierra, fullscreen mode has some issues
　　Startup crash with RelevantKnowledge adware installed. Firefox Support has helpful  instructions to remove it  .
　　Users running Firefox for Windows over a Remote Desktop Connection (RDP) may find that audio playback is disabled due to increased security restrictions.  Learn how to mitigate this issue  until it is corrected in an upcoming release
　　Startup crashes with 64-bit Firefox on Windows 7, for users of Lenovo's ＂OneKey Theater＂ software for IdeaPad laptops. To fix this crash, please  re-install 32-bit Firefox  .