vn3.0

LFRic Apps vn3.0 release notes

Full Changelog: vn2.2...vn3.0

This is the first GitHub release of LFRic Apps. Please see the refreshed Working Practices for details on how to migrate branches and work with GitHub.

Key Changes

• Added flexibility for checkpointing at multiple points during a model run, defined in configuration with a list of times in ticket:981
• Various optimisations to the physics code.
• IAU Capability for SST and JADA in ticket:885 and ticket:886.
• Dynamical core stability improvements through ticket:878 and ticket:953, which have a really reduced model failures related to divergent winds
• Regional model stability improvements through ticket:750 and ticket:851
• Improved moist thermodynamics through ticket:827
• Rose stem updates to the lfric_atm and transport apps in ticket:845 and ticket:939
• Draft sphinx based documentation hosted on GitHub

Linked Codebases

This release is part of the 2025.12.1 Simulation Systems Release.. All codebases required by LFRic Apps, including LFRic Core, JULES, UKCA etc, have been tagged 2025.12.1.