===================
- Allow DNode and LNode subclass instances to be assigned to tree attributes and support
validation of all such instances. [275]
- Update minimum version of astropy to 5.3.0 in order to fix a bug due to a breaking
change in astropy. [258]
- Update minimum version of numpy to 1.22 as this is the oldest version of numpy
which is currently supported. [258]
- Fix the initialization of empty DataModels and clean up the datamodel core. [251]
- Add slope and error to dark RefModel and tests. [280]
- Added truncation to exposure. [283]
- Added optional dq array to science raw maker utility and test. [282]
- Updated the WFI_Mosaic datamodel, maker utilities, and tests to a more streamlined metadata design for level 3 products. [288]