The release "introduces new developer features and enhanced user privacy protection", including: -
Aimed at developers; allows for implementation of video analytics to afford companies/creators "…real-time, aggregated reporting of how their video content is distributed, what the audience reach is, and how much video is played."
Acoustic Echo Cancellation
A feature aimed at developers creating audio-chat features. Allows developers to ‘…take advantage of acoustic echo cancellation, noise suppression, voice activity detection, and automatic compensation for various microphone input levels.
Integration with browser privacy control for local storage
Users of Firefox 4 and Google Chrome can clear flash storage from within their browser settings interface.
Native Control Panel
New, native control panel has been introduced for managing Flash Player privacy, security and storage settings. With Flash 10.3 beta installed this can be accessed from the System > Preferences sub-menu.
Linux users can download the plugin from the Adobe Labs site @ labs.adobe.com/downloads/flashplayer10-3.html.
Extract the archive and move the libflashplayer.so file to the plugins folder of your browser.