There are three RAD Studio / Delphi XE3 hotfixes on the Delphi Registered User Downloads page.
Hotfix 3 is for the Professional edition only.
The others are for all editions.
RAD Studio XE3 Hotfix 3: Hotfix 3 for RAD Studio XE3.
This Hotfix addresses an issue in using SQLite driver on the Professional edition.
Available only to registered users of Professional edition of Delphi XE3, C++Builder XE3, RAD Studio XE3, and Embarcadero All-Access XE
RAD Studio XE3 Hotfix 2: Hotfix 2 for RAD Studio XE3.
This Hotfix addresses a regression with using the GestureManager in a FireMonkey application.
Available only to registered users of Delphi XE3, C++Builder XE3, RAD Studio XE3, and Embarcadero All-Access XE
RAD Studio XE3 Hotfix 1: Hotfix 1 for RAD Studio XE3.
This Hotfix addresses an issue with ShowMessage in a FireMonkey application on certain locales on Mac OS X.
Available only to registered users of Delphi XE3, C++Builder XE3, RAD Studio XE3, and Embarcadero All-Access XE
–jeroen