UnitsNet/3.80.0

Fix subscripts and superscripts in unit abbreviations
New Quantity: SpecificEntropy (#322)

UnitsNet/3.79.0

Delete duplicate quantity SubstanceAmount (#317)
Fix LapseRate Units (#321)
Use generic number type to reduce method overload count (#306)
Changed expressions in term of algebraic operations with corresponding numeric results (#323)

UnitsNet/3.78.0

Fix missing prefixes for localized abbreviations (#297)
Add decimal, int and long overloads (#298)
Add MolarMass Quantity Type (#305)
Add AmountOfSubstance (#304)
Add MolarEnergy (#309)
Add MolarEntropy (#310)
Add micropascalseconds (#314)

UnitsNet/3.77.0

Add a few new units and new prefixes for existing units. (#295)
Revert "Add a few new units and new prefixes for existing units. (#291)" (#294)
Add a few new units and new prefixes for existing units. (#291)

UnitsNet/3.76.0

Add TonneSquareMeters (and TonneSquareDecimeters, TonneSquareCentimeters, TonneSquareMilimeters) to MassMomentOfInertia

3.51.0

#226 Add four new units relating to Electrical Power systems management

3.50.0

#219 Fix arithmetic for Temperature (breaking change)

3.49.1

Added UsServeyFoot as a Length unit (#214)

3.48.0

Add density units (#205)
Add Newton per Minute units (#204)

JsonNet/1.0.0-alpha5

#200 Modified serilization to support units saved as IComparable

by eriove

Support for serializing/deserializing to IComparable by including type information:
http://www.newtonsoft.com/json/help/html/serializetypenamehandling.htm