You can read the release notes to understand the changes, they detail them pretty well. First 7 pages are changes. http://labs.adobe.com/technologies/flashplay

You can read the release notes to understand the changes, they detail them pretty well. First 7 pages are changes. http://labs.adobe.com/technologies/flashplayer10/releasenotes.pdf http://labs.adobe.com/technologies/flashplayer10/releasenote... (PDF Link) Also there is a huge number of bug fixes in this release... don't know why they didn't just call it Flash Player 11, it's not really a dot release.