Major changes from version 0.2 to 0.3
| 0.2 | 0.3 | 0.4 | |
| Server OS | Debian Sarge | Ubuntu Dapper Drake | Ubuntu Feisty Fawn |
| Python version | 2.3 | 2.4 | 2.5 |
| Trac version | 0.8.1 | 0.10 | 0.10 |
| Database | MySQL 4.0 | PostgreSQL 8.1 | PostgreSQL 8.2 |
| Factory interface | HTTP | XML-RPC | = |
| Multi-page merging | On the server | On the factories | = |
| Multi-page algorithm | Naive, slow | Hash-based | = |
| Multi-page language | Ada | Pure Python | = |
| PNG encoding on Factory | Platform-dependent | Pure Python | = |