With the latest pre-release version of Flash Builder (12/07/09), I'm unable to install Eclipse plug-ins. I go to the Help | Install New Software... menu option. But it gives you no ability to add a new software site. I also tried Window | Preference, expanded the Install/Update item and then selected Available Software Sites. This also gives you no ability to add a new site. What am I missing?
Wrong forum. You want prerelease.adobe.com.
Jason San Jose
Quality Engineer, Flash Builder