IBX for Lazarus (Firebird Express) Release 1.0.3 is now available for Download with minor changes
Here is the IBX Change Log for version 1.0.3:
1. Conditional compilation used to limit registration of TIntegerField to Lazarus versions less than 1.1
2. When a database connection is created, character set is now by default set to UTF8 (Unix) or to the current Windows code page (Windows) if in the range 1250 to 1254.