vn3.2

LFRic Apps vn3.2 release notes

Linked Changes

This release is part of the 2026.07.1 Simulation Systems Release.. All
codebases required by LFRic Apps have been tagged 2026.07.1.

What's Changed

• add validate symlinks calling workflow by James Bruten (@james-bruten-mo) in #336
• Swap apps to use to config_loader_mod instead of configuration_mod by Ricky Wong (@mo-rickywong) in #239
• Remove j and add blocking for excf_nl_9c by Benjamin Went (@MetBenjaminWent) in #222
• Improve calltree doc by Mike Hobson (@mike-hobson) in #268
• Update Apps to work with purge of intermediate configuration object api on lfric core by Ricky Wong (@mo-rickywong) in #208
• Lfric2lfric read order by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #275
• Lfric2lfric: interpolate W2 fields by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #238
• Revert "Lfric2lfric: interpolate W2 fields" by James Bruten (@james-bruten-mo) in #376
• Safely compute height fields for continuous function spaces by Thomas Bendall (@tommbendall) in #277
• Fix OOB error by iboutle in #323
• Adding fortitude by mo-lucy-gordon in #150
• Fix dependencies by Pierre Siddall (@Pierre-siddall) in #388
• Replicate COMPUTE_ANNEXED_DOFS in adjoint namelist for PSyKAl lite code by DrTVockerodtMO in #342
• Lfric2lfric stencil fix by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #387
• Adjust the bdy_lyr local script, and housekeeping by Benjamin Went (@MetBenjaminWent) in #231
• Remove j and block ex coef by Benjamin Went (@MetBenjaminWent) in #220
• Lfric2lfric multi cpu by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #201
• Remove all usage of namelist collection object modeldb%configuration from LFRic Apps (Full Purge) by Ricky Wong (@mo-rickywong) in #225
• Move transmute build to assist github actions for CO approvals by Benjamin Went (@MetBenjaminWent) in #339
• Take care when setting tile fractions at single precision by Thomas Bendall (@tommbendall) in #372
• 118 ostia ice ancils by Tim Graham (@timgraham-Met) in #137
• revert mistaken merge in tasks_lfric_atm.cylc by mo-marqh in #417
• Remove algebra PSyAd code by DrTVockerodtMO in #341
• Improve moisture conservation diagnostics by iboutle in #352
• Add parallel adjoint tests by DrTVockerodtMO in #398
• Fix to calculation of shear by Thomas Bendall (@tommbendall) in #375
• Correct logic for the vertical SL scheme by thomasmelvin in #374
• Fix possible divide-by-zero error in MoL code by Thomas Bendall (@tommbendall) in #381
• Bit reproducible checkpoint/restart of stochastic physics SPT and SKEB schemes by Steve Mullerworth (@stevemullerworth) in #383
• Add fortitude to CI/CD pipeline by Pierre Siddall (@Pierre-siddall) in #200
• Compatibility Simplify & Test space_from_metadata by mo-marqh in #430
• Beware Earth radius in single precision by iboutle in #326
• Tidying up lfricinputs by Lottie Turner (@mo-lottieturner) in #434
• Fix/289 improve sw lw radiation omp scaling by jirudaya in #363
• FIX: PR#363 apply macros.py by Lottie Turner (@mo-lottieturner) in #442
• Fix rare issue with transport of tracers when substepping by Thomas Bendall (@tommbendall) in #380
• Revise and optimise PMSL calculation by iboutle in #348
• Update App calls to partition type api by Ricky Wong (@mo-rickywong) in #324
• Add precision option to local_build.py by Oakley Brunt (@oakleybrunt) in #437
• Use all allocated CPUs for building applications by Oakley Brunt (@oakleybrunt) in #449
• update hash by James Bruten (@james-bruten-mo) in #448
• Add logical to allow for the fixing the duplicate heterogeneous chemistry reactions in UKCA StratTrop and CRI-Strat2 schemes by Luke Abraham (@theabro) in #433
• remove source directory from housekeeping by James Bruten (@james-bruten-mo) in #453
• Extract external metadata by James Bruten (@james-bruten-mo) in #279
• Change local build test to use solver by Sam Clarke-Green (@t00sa) in #459
• Refactor fast physics by iboutle in #368
• Separate model checksum and finalise by Steven Sandbach (@ss421) in #441
• Update CODEOWNERS by Lottie Turner (@mo-lottieturner) in #462
• Replace copy_field_alg_mod with real_to_real_x builtin by Alistair Pirrie (@mo-alistairp) in #403
• Port PC2 cloud-scheme documentation into lfric_apps by MichaelWhitall in #450
• Remove hard-coded crayhost from Genoa switching by Oakley Brunt (@oakleybrunt) in #410
• Adding fortitude rules1 by mo-lucy-gordon in #457
• Fix shared fortitude by Pierre Siddall (@Pierre-siddall) in #469
• Bugfix to bimodal cloud scheme by iboutle in #393
• New function space options for coordinate fields by Thomas Bendall (@tommbendall) in #179
• Release management: version string and components by mo-marqh in #446
• Fix apps macros chain by James Bruten (@james-bruten-mo) in #478
• Enable use of very long pathnames for IAU multifile IO by Samantha Pullen (@SamanthaPullen) in #443
• Remove alg scripts which stop OMP being added to alg by Benjamin Went (@MetBenjaminWent) in #416
• run missed upgrade macro by James Bruten (@james-bruten-mo) in #484
• Output Metadata Validation Testing by mo-marqh in #455
• PC2 response to horizontal mixing by iboutle in #464
• Missed KGOs for #464 by Oakley Brunt (@oakleybrunt) in #491
• mosrs ticket 1048 - adding openmp directives to chunking of ukca full domain passing by Rob Waters (@RobWatersMet) in #172
• Add control for XIOS logging by Oakley Brunt (@oakleybrunt) in #397
• Add in the final part of the converge_ga code by Adrian Lock (@Adrian-Lock) in #493
• Turn on bl_segment by default for lfric_atm jobs by Benjamin Went (@MetBenjaminWent) in #382
• Impose max limit on in-cloud water-content in pc2_checks by MichaelWhitall in #402
• update bdy imp3 by hand, remove j and preserve blocking loop by Benjamin Went (@MetBenjaminWent) in #313
• Configure LFRic to receive meltpond fields as grid box mean by Tim Graham (@timgraham-Met) in #431
• Add code for cloud-top height diagnostic by Adrian Lock (@Adrian-Lock) in #485
• smooth lambda by Adrian Lock (@Adrian-Lock) in #476
• Shared queue decision by mo-marqh in #508
• Checkpoint the lfric_apps random seed by Steve Mullerworth (@stevemullerworth) in #427
• Port boundary-layer scheme documentation into lfric_apps by MichaelWhitall in #465
• Replace copy_field_halo_kernel_mod with PSyKAl-lite by Alistair Pirrie (@mo-alistairp) in #471
• update core link for #471 by Benjamin Went (@MetBenjaminWent) in #518
• Improved PC2 "smooth" initiation option by MichaelWhitall in #404
• Add W2H fields to initial file by Mike Hobson (@mike-hobson) in #470
• apply macro from #77 by James Bruten (@james-bruten-mo) in #519
• Only use mp_czero_rp if using the RP2B scheme by Marc Stringer (@marcstring) in #482
• re add contributors by Benjamin Went (@MetBenjaminWent) in #521
• Fix removed contributors from 482 by Cameron Bateman (@cameronbateman-mo) in #525
• Bdy imp4 remove j and preserve blocking loop by Benjamin Went (@MetBenjaminWent) in #340
• Delete Jules metadata copy by James Bruten (@james-bruten-mo) in #463
• Height-based Deep Hot Jupiter Forcing by Thomas Bendall (@tommbendall) in #391
• Migrate jules pftparm metadata to jules shared by Maggie (@maggiehendry) in #205
• Lfric2lfric multi cpu test by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #392
• Conservative scalar diffusion by Thomas Bendall (@tommbendall) in #378
• updating the name of the lfric2lfric tasks at the NCI site by David Lee (@davelee2804) in #532
• Read files xml by mo-marqh in #509
• Fix writing and reading coupled checkpoints by Tim Graham (@timgraham-Met) in #505
• Add theta perturbation parameters to namelist by Adrian Lock (@Adrian-Lock) in #504
• exact integer division simRanks:ioserverRanks and io nodes by mo-marqh in #538
• Enable IAU to be used within the DA outer loop - first stage of developments by Samantha Pullen (@SamanthaPullen) in #496
• Improvements to tke diagnostic by Adrian Lock (@Adrian-Lock) in #487
• Apply macros for #487 by Sam Clarke-Green (@t00sa) in #547
• Expand ESNZ Rose Stem Tests by Wolfgang Hayek (@tinyendian) in #477
• Address Issues with Face Selectors by Thomas Bendall (@tommbendall) in #458
• Higher-order Orography by Thomas Bendall (@tommbendall) in #180
• Weekly ral3 ukv fail by mo-marqh in #548
• Update CODEOWNERS for partner site configuration notification by mo-marqh in #544
• linked PR dependencies.yaml by mo-marqh in #510
• GC6 required namelist items by iboutle in #360
• Remove core dynamics PSyAd code by DrTVockerodtMO in #428
• Accurately-reversible PC2 homogeneous forcing option by MichaelWhitall in #406
• Open XIOS context definition for apps by Ed Hone (@EdHone) in #527
• Update dependencies.yaml by Andrew Coughtrie (@andrewcoughtrie) in #555
• Xios log file config bug by mo-marqh in #549
• Fix IAU context initialisation by Ed Hone (@EdHone) in #558
• Lfric2lfric w2 by Juan Manuel Castillo Sanchez (@ukmo-juan-castillo) in #390
• Conservative Moist Solver by Thomas Bendall (@tommbendall) in #394
• Allow lfric_atm to compile for oasis coupled models by Paul Earnshaw (@pdearnshaw) in #486
• Implement new irrigation scheme into standalone JULES by Heather Rumbold (@hsrumbold) in #480
• linear_model app with UM_PHYSICS compiler flag set to true by cjohnson-pi in #502
• Inland basin flow coupling by Dan Copsey (@DanCopsey) in #401
• Replace 64-bit clim_gal9 nrun-crun test with 32-bit version by Steve Mullerworth (@stevemullerworth) in #541
• #474: LFRic-Nudging: Part-A: Introduce ability to read nudging datafiles by Mohit Dalvi (@mcdalvi) in #474
• CoMorph convection scheme refactoring by MichaelWhitall in #292
• FFSL linear model transport by James Kent (@jameskent-metoffice) in #414
• Linear FFSL transport fix by James Kent (@jameskent-metoffice) in #568
• Mesh stretching - Linked PR for lfric core by cjohnson-pi in #344
• Update LFRic Apps as impacted by removal of module scope configuration variables in LFRic Core driver. by Ricky Wong (@mo-rickywong) in #418
• Updates needed to support psyclone 3.3 by Sergi Siso (@sergisiso) in #545
• Update ESNZ psyclone by James Bruten (@james-bruten-mo) in #602
• Apps vn3.2 release by James Bruten (@james-bruten-mo) in #611
• Main to Stable 2026.07.1 by James Bruten (@james-bruten-mo) in #616

New Contributors

• iboutle made their first contribution in #323
• mo-lucy-gordon made their first contribution in #150
• Pierre Siddall (@Pierre-siddall) made their first contribution in #388
• jirudaya made their first contribution in #363
• Luke Abraham (@theabro) made their first contribution in #433
• Steven Sandbach (@ss421) made their first contribution in #441
• MichaelWhitall made their first contribution in #450
• Samantha Pullen (@SamanthaPullen) made their first contribution in #443
• Rob Waters (@RobWatersMet) made their first contribution in #172
• Marc Stringer (@marcstring) made their first contribution in #482
• Cameron Bateman (@cameronbateman-mo) made their first contribution in #525
• David Lee (@davelee2804) made their first contribution in #532
• Paul Earnshaw (@pdearnshaw) made their first contribution in #486
• Heather Rumbold (@hsrumbold) made their first contribution in #480
• Dan Copsey (@DanCopsey) made their first contribution in #401
• Sergi Siso (@sergisiso) made their first contribution in #545

Full Changelog: vn3.1.1...vn3.2