- Fixed relative paths not being properly converted to absolute paths in isisVarInit.py [4274](https://github.com/USGS-Astrogeology/ISIS3/issues/4274)
- Fixed issue where serial numbers for Kaguya TC and MI image could not be generated. [4235](https://github.com/USGS-Astrogeology/ISIS3/issues/4235)
### Changed
- Refactored Blob class to be used by classes that serialize to a Cube instead of inherited from. Impacted classes are GisBlob, History, ImagePolygon, OriginalLabel, OriginalXmlLabel, StrethBlob, StringBlob, and Table. [#4082](https://github.com/USGS-Astrogeology/ISIS3/issues/4082)