The community project Firebird 2.5 is released. You can read the press release and most importantly release notes. And sure, you can download it and use/test/deploy.
Congratulation to us, the Firebird Project, especially the core team. And also to you, users, I hope you will enjoy and like the new Firebird 2.5 version as we (I) do. You can read the overview after 10 years for this aniversary release