This new release brings new features and compatibility with Firefox 46. Among of them:

• support of PDF export
• support of Selenium with a "web driver mode"
• support of stdout, stderr and stdin streams with the system module
• support of exit code with phantom.exit() and slimer.exit()
• support of node_modules with require()
• support of special files (/dev/* etc) with the fs module

This version fixes also many bugs and conformance issues with PhantomJS 1.9.8 and 2.x.

See change details in release notes.

Note that there isn't anymore "standalone edition" (with embedding of XulRunner), because Mozilla ceased to maintain and build XulRunner. Only the "lightweight" edition is available from now, and you must install Firefox to run SlimerJS.