What are HEAD, RELENG 2 1, RELENG 2 0, etc¶
This is the terminology used to refer to a specific git branch of pfSense source code.
HEAD, also known as -HEAD or “master”, refers to the development version of pfSense, where all new features are first added. When a release nears, HEAD is branched to a RELENG (Release Engineering) branch. This follows the FreeBSD project’s development model.
This branch is under active development for the 2.3.1 release.
This branch is under active maintenance for 2.3 errata.