Build 4997 for Windows generated on Wed Dec 25 16:42:37 FLEST 2013.

• Greatly improves Multi-User Chats with XMPP and makes all of them appear in the contact list.
• Adds support for Socialist Millionaire Protocol with OTR, adds OTR support for SIP and fixes a number of other OTR-related issues.
• Adds support for DTLS/SRTP (and WebRTC compatibility in libjitsi) through bouncycastle.
• Adds Forward Error Correction (FEC) for SILK and Opus and Packet Loss Concealment (PLC) for all codecs.
• Fixes a failure to preview the video device on GNU/Linux.
• Adds a mobile indicator icon next contacts when they are detected to be logged in only from a mobile device.
• Makes it possible to pre-provision Windows installations through MSI params.
• Adds support for XMPP contact resources.
• Improves random number generation for ZRTP.
• Adds an option when using proxies to forward DNS traffic to an address, useful for Tor users to avoid DNS leaking.
• Adds confirmation for video and image previews for security reasons.
• Fixes SDES in-call reinitialisation.
• Improves stability for the WASAPI audio system and makes it the default on Windows.
• Adds greatly improved native echo cancellation on Windows.
• Updates to Opus 1.1
• Adds native CoreAudio support on OS X.
• Fixes an issue which could cause some participants in merged and cross-protocol calls to not hear others or not be heard by others.
• Improves audio mixing performance.
• Added translation to Asturian, Czech, Swedish, Scottish Gaelic.
• Adds a configuration property editor.
• Fixes the "Jitsi crashed" reports that were sometimes experienced on Windows.
• Drops Java 1.5 compatibility.
• Enables the detection of PulseAudio and Video4Linux2 systems under FreeBSD. Tzanetos Balitsaris.
• Numerous other fixes and enhancements.