Code freeze candidate

This release marks the code freeze candidate that will become release v4.0.0-beta.1

Test release

Test release

All test passing

This release includes all the changes made to have all the tests ported from the previous version passing.

Version V4.0.0 - Alfa 2 release

This release is the same as alfa 1.
We are just testing the github worflow

Version V4.0.0 - Alfa 1 release

This release contains the code as it is in the master branch.
It is intended for core contributors to test the new backend as at this point in time, before we start merging all the outstanding PRs and we move the migration forward.