This version of Firebird 2 is an alpha version, meant for field testing only and not for use in production.
All changes and new features are subject to further change and/or withdrawal in subsequent alpha and beta releases, leading up to final release. Do not assume that databases created by or upgraded to the on-disk structure of this alpha will be upwardly compatible with subsequent test builds/releases.
Firebird 2 release contains a large number of new features. Alpha 2 includes fixes for several problems that showed up in the testing of Alpha 1. Please read the Release Notes for more details.