| Online Documentation | Downloadable Version |
| Firebird 5.0.1 Release Notes | PDF available |
| Firebird 4.0.5 Release Notes | PDF available |
| Firebird 3.0.12 Release Notes | PDF available |
| Firebird 2.5.9 Release Notes | PDF available |
| Firebird 2.5.4 Release Notes (Japanese) | PDF available |
| Firebird 2.1.7 Release Notes Firebird 2.1.3 Release Notes (Italian) |
PDF available PDF available |
| Firebird 2 Migration & Installation Notes v. 2.0.x and 2.1 | PDF available |
| Firebird 2 Cumulative Bug Fixes 2.0.7 to 2.1.7 | PDF available |
| Firebird 2.0.7 Release Notes | PDF available |
| Firebird 1.5.6 Release Notes | PDF available |
| Firebird 1.5.2 Release Notes (German) Firebird 1.5.2 Release Notes (French) |
PDF available PDF available |
| Firebird 1.5 Release Notes (Czech) Firebird 1.5 Release Notes (Spanish) Firebird 1.5 Release Notes (Italian) Firebird 1.5 Release Notes (Portuguese) Firebird 1.5 Release Notes (Brazilian Portuguese) |
PDF available PDF available PDF available PDF available PDF available |
| Firebird 1.0.3 Readme | TXT available |
| Firebird 1.0.2 Readme | TXT available |
| Firebird 1.0 Release Notes Firebird 1.0 Release Notes (Japanese) Firebird 1.0 Release Notes (Portuguese) |
PDF available PDF available PDF available |