Firebird 2.5 Release Notes
General notes
New in Firebird 2.5
Changes in the Firebird engine
Changes to the Firebird API and ODS
Reserved words and changes
Configuration parameter additions and changes
Administrative features
Security hardening
Data Definition Language (DDL)
Data Manipulation Language (DML)
Procedural SQL (PSQL)
International Language Support (INTL)
Command-line utilities
Installation notes
Compatability issues
Platform ports
Bugs Fixed
Firebird 2.5.0 release
Firebird 2.5.1 release
Firebird 2.5.2 release
Firebird 2.5.2 security update 1, March 2013
Firebird 2.5.3 release
Old bugs fixed
Firebird 2.5 project teams
A. SQLSTATE
B. License notice