PySDM v1.20

• code cleanups & refactors
• making pylint warnings fail GA workflow
• phasing out PrecisionResolver - precision is now an init parameter of the GPU backend class

PySDM v1.19

• VTK product export (kudos @abulenok)
• new surface tension model draft added, relabelling existing models (kudos @claresinger)
• cleanups (incl. graphics files linked from README - now showing files generated through GitHub Actions on a latest merge)

PySDM v1.18

• more options around freezing spectrum (incl. Bigg 1953 formulation)
• cleanups, better error messages in initialisation
• smarter setitem support for Box environment

PySDM v1.17

• new attribute: CriticalSupersaturation
• new product: ActivableFraction
• cleanups

PySDM v1.16

• bumping ThrustRTC requirement to 0.3.15 (in which support for GPU/CUDA hardware/software current Colab setup is fixed)

PySDM v1.15

• moving backend instantiation from within Builder up to user scope
• default random seed is now shuffled at PySDM import (but kept constant for CI runs)
• cleanups

PySDM v1.14

• fix unit in ABIFM
• TotalUnfrozenImmersedSurfaceArea product

PySDM v1.13

• ABIFM heterogeneous ice nucleation parameterisation (J_het)
• refactors around constants

PySDM v1.12

requiring ThrustRTC==0.3.8 (due to fynv/ThrustRTC#19)

PySDM v1.11

cleanup and refactors incl. API changes:

• Core --> Particulator
• Core.particles --> Particulator.attributes