This changelog references the relevant changes (bug and security fixes) done in 3.1 minor versions.
- 270: Show the name of the database being purged when loading fixtures thanks to @alcaeus
- 265: Drop support for PHP < 7.1 and older versions of data-fixtures thanks to @alcaeus
- 260: Add fixture groups via a static method interface or service tags thanks to @weaverryan
- 269: Apply Doctrine Coding Standard thanks to @carusogabriel
- 219: Dynamic namespace thanks to @MassiveHiggsField