Firefox 39.0

What's new in this version:

- New - Share Hello URLs with social networks
- New - Project Silk: Smoother animation and scrolling (Mac OS X)
- New - Support for 'switch' role in ARIA 1.1 (web accessibility)
- New - SafeBrowsing malware detection lookups enabled for downloads (Mac OS X and Linux)
- New - Support for new Unicode 8.0 skin tone emoji
- Changed - Removed support for insecure SSLv3 for network communications
- Changed - Disable use of RC4 except for temporarily whitelisted hosts
- Changed - The malware detection service for downloads now covers common Mac file types (Bug 1138721)
- Changed - Performance of displaying dashed lines is improved (Mac OS X) (Bug 1123019)
- HTML5 - List-style-type now accepts a string value
- HTML5 - Enable the Fetch API for network requests from dedicated, shared and service workers
- HTML5 - Cascading of CSS transitions and animations now matches the current spec
- HTML5 - Implement allowing anticipation of a future connection without revealing any information
- HTML5 - Added support for CSS Scroll Snap Points
- Developer - Drag and drop enabled for nodes in Inspector markup view
- Developer - Webconsole input history persists even after closing the toolbox
- Developer - Cubic bezier tooltip now shows a gallery of timing-function presets for use with CSS animations
- Developer - localhost is now available offline for WebSocket connections
- Fixed - Improve performance for IPv6 fallback to IPv4
- Fixed - Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers
- Fixed - The Security state indicator on a page now correctly ignores loads caused by previous pages
- Fixed - Fixed an issue where a Hello conversation window would sometimes fail to open
- Fixed - A regression that could lead to Flash not displaying has been fixed
- Fixed - Update to NSS 3.19.2
- Fixed - Various security fixes