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Last updated: October 2014.

This document states the current development activities of the project and establishes the estimated release schedule for the foreseeable future. It's getting periodically updated in order to be in line with the reality.

The project's development resources are currently dedicated to the v2.5 and v3.0 series. Firebird v2.0 series has been discontinued in 2012, so no further maintenance releases will be available. The last release in this series is Firebird 2.0.7. Firebird v2.1 series is about to be discontinued in 2014, unless some critical regression is found in the latest release Firebird 2.1.6.

For more details about the anticipated releases, read on.

Stable Releases

Currently supported stable releases are: Firebird 2.1 (appeared in 2008, to be discontinued in 2014) and Firebird 2.5 (appeared in 2010).

Series 2.1.x

The release policy for these versions declares a maintenance cycle of one point release per year. All kinds of bugfixes and performance regression fixes are allowed inside its codebase.

The latest point release currently available is v2.1.6 and it's likely to become the last one in the v2.1 series. Explore its download location or documentation.
Track details

Series 2.5.x

Version series 2.5.x is the last one released by the project and thus it has the highest priority in terms of the bug fixing, with a maintenance cycle of two point releases per year. All kinds of bugfixes and performance improvements are possible inside its codebase, including ports to new platforms.

The latest point release currently available is v2.5.3. Explore its download location or documentation.

v2.5.4 is the next point release to come, it's scheduled for Q1 2015. Follow the "Track Details" icon for a list of bugfixes scheduled for this version.
Track details

New Development: version 3.0

Firebird 3.0 represents the project's next milestone release and it currently gets the most of the development efforts. It's going to offer some important and highly anticipated features that were promised for a long time already.

Key points:
  • Revised architecture, including new authentication and configuration subsystems;
  • Scalable (SMP/multi-core friendly) multi-threaded engine with the shared page cache;
  • New ODS (version 12) with new system and monitoring tables;
  • External (Java, C++, etc) stored procedures/triggers/functions;
  • Reworked optimizer and new data access methods;
  • Security enhancements;
  • Various SQL extensions.
The complete feature set is not agreed on yet, so please follow the development mailing list if you're interested. You're also welcome to vote for your favorite tickets in the Firebird Issue Tracker.

  • Alpha 2 has been released in January 2014;
  • Beta 1 is expected in October 2014, Beta 2 will follow;
  • Release Candidate is expected in 2015.
Unstable v3.0 builds can be downloaded from the snapshot area. Please beware that the ODS (on-disk structure) hasn't been finalized yet, so databases could be incompatible between different unstable builds and you'll have to either recreate them or migrate them via backup/restore.

Use the "Track Details" icon to discover the list of tasks currently scheduled for v3.0 Beta 1.
Track details

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