The Release Process

API Platform follows the Semantic Versioning strategy. A new minor version is released every six months, and a new major version is released every two years, along with a last minor version on the previous major one with the same features and an upgrade path.

For example:

• version 3.0 has been released on 15 September 2022;
• version 3.1 has been released on 23 January 2023;
• version 3.2 has been released on 12 October 2023;
• version 3.3 has been released on 9 April 2024 (we were a little late, it should have been published in March);
• versions 3.4 has been released on 18 September 2024;
• versions 4.0 has been released on 27 September 2024;
• versions 4.1 has been released on 28 February 2025;

3 versions are maintained at the same time:

• stable (currently the 4.1 branch): regular bugfixes are integrated in this version
• old-stable (are the last branch: 4.0): security fixes are integrated in this version, regular bugfixes are not backported in it
• development (main branch): new features target this branch

Older versions (1.x, 2.6…, 3.0…) are not maintained. If you still use them, you must upgrade as soon as possible.

The old-stable branch is merged in the stable branch on a regular basis to propagate security fixes. The stable branch is merged in the development branch on a regular basis to propagate security and regular bugfixes.

New major versions of API Platform are released every 2 years. New minor versions of API Platform are released every 6 months.

The latest minor version of a major branch contains all the new features introduced in the first version of the next major, but also contains deprecated features which are removed in the next major branch.