- A manuscript describing :ref:`Genotype` was published. Please cite https://www.worldscientific.com/doi/abs/10.1142/9789811270611_0035.
- :ref:`CopyNumberChange` introduced for relative copy number calls
- :ref:`CopyNumberCount` replaces CopyNumber (v1.2)
- :ref:`Genotype` introduced as a new systemic variation concept
- :ref:`ComposedSequenceExpression` introduced for composing expressions from multiple other sequence expressions
- Clarifying updates for :ref:`Allele normalization guidance <should-normalize>`
- :ref:`Haplotype` allele member minimum was revised from 1 to 2
- Updated metaschema processor version
- Introduced ordered / unordered attribute in array declarations
- Added explicit class inheritance