MetOffice/lfric_core

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LFRic Infrastructure

Stars: 26
Forks: 73
Open beginner issues: 4
Indexed issues: 101
Avg merge: 1d 8h
Merged PRs (30d): 4

Dominant language: Fortran
License: BSD-3-Clause
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

101 open issues indexed

Dependencies being lost in current (non-Fab) build system Open

bug

MetOffice/lfric_core#470 · 1 comment · 2 assignees · Opened Sep 17, 2026
Need for an operational timer Open

enhancement

MetOffice/lfric_core#461 · 1 assignee · Opened Sep 2, 2026
Fab script for mesh_tools Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

MetOffice/lfric_core#458 · Opened Sep 1, 2026
Refactor extrusion methods Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#457 · Opened Aug 28, 2026
(Major) refactor of XIOS interface to make use of external fields Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetOffice/lfric_core#454 · Opened Aug 26, 2026
Block halo exchange communications by column Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#453 · 1 comment · Opened Aug 21, 2026
final_io prone to hanging Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/lfric_core#445 · Opened Aug 6, 2026
Profiler logic tests definition not boolean logic Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

MetOffice/lfric_core#444 · 1 comment · Opened Aug 5, 2026
mesh generator size limitations Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#439 · Opened Jul 29, 2026
Improve the truncation of the "domain_centre in generate_mesh Open

enhancement

MetOffice/lfric_core#433 · 1 assignee · Opened Jul 23, 2026
Update software dependencies documentation Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 52/100

MetOffice/lfric_core#422 · Opened Jul 8, 2026
Use MPI-IO for HDF5 netCDF Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#421 · Opened Jul 6, 2026
loading global meshes in parallel Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#419 · Opened Jul 1, 2026
mesh read multiple open calls Open

MetOffice/lfric_core#417 · 1 comment · 2 assignees · Opened Jun 29, 2026
Stretched mesh documentation Open

documentation

MetOffice/lfric_core#416 · 1 assignee · Opened Jun 26, 2026
Remove remaining usage of mesh_id is core science components Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

MetOffice/lfric_core#415 · Opened Jun 26, 2026
XIOS component integration tests import unsupported python libraries Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

MetOffice/lfric_core#413 · 1 comment · Opened Jun 18, 2026
Clock to support step fractions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#412 · Opened Jun 16, 2026
Send individual diagnostic fields via lfric-xios interface Open

enhancement

MetOffice/lfric_core#411 · 1 assignee · Opened Jun 16, 2026
Factor out hash-map functionality Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#410 · 1 comment · Opened Jun 16, 2026
Complete namespacing of science component Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#409 · Opened Jun 16, 2026
Log Server Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetOffice/lfric_core#406 · 2 comments · Opened Jun 15, 2026
Improve log event handling Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#405 · 1 comment · Opened Jun 15, 2026
Extend logger to include application name on start Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MetOffice/lfric_core#404 · Opened Jun 15, 2026
Clock to support sub-stepping Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#403 · 1 comment · Opened Jun 15, 2026
A more nuanced approach to constants Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

MetOffice/lfric_core#402 · 1 comment · Opened Jun 15, 2026
Support clock macro-stepping Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#401 · 2 comments · Opened Jun 15, 2026
Nightly testing with alternative MPI implementation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/lfric_core#400 · Opened Jun 15, 2026
Use XIOS `write_initial_condition` functionality in I/O demo app Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#399 · 6 comments · Opened Jun 15, 2026
Machine readable technical logging Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetOffice/lfric_core#398 · 1 comment · Opened Jun 15, 2026
Build system to report on unused source Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#397 · Opened Jun 15, 2026
Take advantage of validation described in configuration metadata Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#396 · Opened Jun 15, 2026
Evaluate Valgrind as part of our development process Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/lfric_core#395 · Opened Jun 15, 2026
Make routing table generation consistent Open

enhancement

MetOffice/lfric_core#394 · 1 assignee · Opened Jun 15, 2026
Kernels should be pure Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#392 · 1 comment · Opened Jun 12, 2026
Reproducible tests on different processor deployments Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#391 · Opened Jun 12, 2026
Science components use lfric_apps metadata Open

enhancement

MetOffice/lfric_core#390 · 1 comment · 1 assignee · Opened Jun 12, 2026
JediBones : An example Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/lfric_core#389 · 1 comment · Opened Jun 11, 2026
Fix W2Vtrace definition in documentation Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

MetOffice/lfric_core#381 · Opened May 29, 2026
Refactor io_value_type Open

enhancement

MetOffice/lfric_core#380 · 1 assignee · Opened May 29, 2026
Support for 90 levels in regional models Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

MetOffice/lfric_core#379 · Opened May 24, 2026
Support PSyclone transmute in Fab scripts Open

enhancement Fab

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MetOffice/lfric_core#371 · Opened May 14, 2026
Logging framework wont work with multiple models in one executable Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#367 · 2 comments · Opened May 12, 2026
init_fem dependencies on base_mesh Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MetOffice/lfric_core#366 · 8 comments · Opened May 8, 2026
Start dump and checkpoint dump need to be made more consistent and have better metadata support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

MetOffice/lfric_core#363 · 1 comment · Opened May 6, 2026
Update reference to rose_picker and XIOS Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 88/100

MetOffice/lfric_core#361 · Opened May 5, 2026
XIOS metadata and related code is found only in lfric_atm/gungho Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

MetOffice/lfric_core#357 · 1 comment · Opened May 1, 2026
Auto partitioner fails for some MPI sizes Open

bug

MetOffice/lfric_core#355 · 1 assignee · Opened Apr 29, 2026
Extend support for Intel OneAPI compilers to MPI compiler wrappers Open

enhancement

MetOffice/lfric_core#354 · 1 assignee · Opened Apr 29, 2026
Mini-refactor of lfric-xios integration testing Open

enhancement

MetOffice/lfric_core#348 · 1 assignee · Opened Apr 24, 2026

MetOffice/lfric_core

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