PySDM v2.7

• handling of domain-leaving particles in displacement logic and 1D kinematic smoke tests updates (thanks to @sajjadazimi)
• more tests for CCN activation (thanks to @claresinger)
• code cleanups (including enforcing keyword parameters for functions with many args)

PySDM v2.6

• common aerosol composition code in PySDM.initialisation (@claresinger)
• breakup: counting breakup deficit instead of reporting error, vmin and nfmax thresholds (@edejong-caltech)
• Area attribute and SimpleGeometric collision kernel (@edejong-caltech)
• NumberSizeSpectrum and BreakupRateDeficitPerGridbox products (@edejong-caltech)
• adaptive time-stepping in Displacement dynamic (criterion suggested by @mwest1066)
• Feingold1988Frag fragmentation function (@edejong-caltech)
• renaming default branch from master to main

PySDM v2.5

• new example reproducing CCN activation figures from Abdul-Razzak & Ghan 2000 (kudos to @imdula, @claresinger & @trontrytel!)

PySDM v2.4

• add black, isort and precommithooks code maintenance helpers (kudos @jb-mackay!)

PySDM v2.3

• fix in collision dynamics ctors solving problem with undefined random seed on the GPU backend (thanks @s-shima for reporting it)
• cleanups and new smoke tests for CCN activation representation (thanks @claresinger)
• CI: add job cancellation workflow for GitHub Actions (thanks @claresinger)

PySDM v2.2

• updates in Lowe et al. 2019 example (thanks @claresinger)
• ambient relative humidity wrt ice (as option to the existing AmbientRelativeHumidity product)

PySDM v2.1

• new example: parcel simulation based on a setup from Pyrcel documentation (kudos @claresinger)
• adding dry option to ParticleVolumeVersusRadiusLogarithmSpectrum product
• arbitrary-moment product factory
• nbviewer badges in README.md
• cleanups

PySDM v2.0

tada:

• Monte-Carlo super-particle-number-conserving collisional breakup representation
  (original algorithm and implementation by @edejong-caltech and @jb-mackay)

misc:

• Lowe et al. 2019 (Pruppacher & Klett) diffusion kinetics/thermics & latent heat formula (thanks @claresinger)
• Lowe 1977 saturation vapour pressure formulae (thanks @claresinger)
• Murphy and Koop 2005 saturation vapour pressure formulae (thanks @isilber)
• new product: FlowVelocityComponent
• new spectra: Gamma & Gaussian (thanks @edejong-caltech)
• fixing race condition in coalescence counter increments (thanks @jb-mackay)
• fixing non-rectangular domain handling in VTK exporter
• switch from SciPy to PySDM backend root-solver in CompressedFilmRuehl surface tension (thanks @claresinger)
• swithing to use single buffer for all products (less memory allocated)
• better unit-test coverage for physics formulae incl. units (thanks @claresinger)

PySDM v1.27

• moving terminal velocity and coalescence kernels out of "physics"
  (re-release to trigger DOI generation after enabling integration with Zenodo)

PySDM v1.26

• new Szyszkowski-Langmuir surface tension model (and updates in Ruehl model) - kudos @claresinger!
• JOSS paper branch merged into main one, added CI workflow to check the paper code
• new cooling rate attribute and product
• new max Courant number product
• VTK exporter fixes
• mass and heat accommodation coefficients alterable from within constants
• cleanups