This version has updated audio engine and we are highly recommending for everyone to upgrade.

Audio changes include:

Skype’s own audio codec
Skype improved conference mixer
Skype Jitter Buffer and concealment
Skype audio preprocessing components
Other changes in newly released version 2.6.0.148 are:

localizations: all updated
bugfix: fixed application hangup on handling certain URL links in chat messages
bugfix: fixed exception (resulting in disappearance of message) on handling certain intentionally constructed “bad” chat messages
bugfix: privacy policy fix, not accepting multichats from non-authorized users