<section begin=changes/>
* [http://www.nmr-relax.com/manual/Installation_on_MS_Windows.html MS Windows installation instructions have been added to the manual].
* The [http://www.nmr-relax.com/api/1.2/errors.RelaxWarnings-class.html RelaxWarning system ] has been added to standardise warning messages.
* The [http://www.nmr-relax.com/manual/test_suite.html relax manual now describes the test suite]. ([https://gna.org/task/?#3781 task #3781])
* The <sup>15</sup>N CSA values in the sample scripts are now all -172 ppm.