Issues

• CI Additional workflow failed - 2026-10-01

  automatedbug
  Parcels-code/Parcels#2922 · Filter by author github-actions opened on Oct 1, 2026

• DOC: Fix broken links

  documentation
  Parcels-code/Parcels#2919 · Filter by author VeckoTheGecko opened on Sep 30, 2026

• Explore combining StatusCode.Success and StatusCode.Evaluate

  needs-triage
  Parcels-code/Parcels#2914 · Filter by author erikvansebille opened on Sep 29, 2026 · Parcels v4.x (stable)

• Add native support for terrain following (sigma) coordinates

  needs-triage
  Parcels-code/Parcels#2907 · Filter by author fluidnumericsJoe opened on Sep 15, 2026
  3

  

• ChunkCachedArray._raw_vindex raises IndexError when given empty index arrays

  bugneeds-triage
  Parcels-code/Parcels#2906 · Filter by author j-atkins opened on Sep 15, 2026

• Add parcels.validate_fieldset decorator?

  needs-triage
  Parcels-code/Parcels#2903 · Filter by author erikvansebille opened on Sep 14, 2026
  2

• Add information on unstructured Delft3D-FM to documentation

  documentationunstructured grids
  Parcels-code/Parcels#2902 · Filter by author erikvansebille opened on Sep 14, 2026

• TypeError in ChunkCachedArray: '<' not supported between instances of 'slice' and 'int'

  bugneeds-triage
  Parcels-code/Parcels#2897 · Filter by author erikvansebille opened on Sep 11, 2026
  5

• DOCS: Add area for working with atmospheric/other geoscientific models

  documentation
  Parcels-code/Parcels#2893 · Filter by author VeckoTheGecko opened on Sep 10, 2026
  2

• Load all coordinates in from_windowed_arrays

  Parcels-code/Parcels#2885 · Filter by author erikvansebille opened on Sep 8, 2026

• Deprecate raw-Zarr execution mode

  cleanup
  Parcels-code/Parcels#2856 · Filter by author VeckoTheGecko opened on Aug 31, 2026
  1

• DOC: Documentation on using Kepler for highly exploratory analysis

  documentationgood first issue
  Parcels-code/Parcels#2855 · Filter by author VeckoTheGecko opened on Aug 31, 2026
  4

• Make convert.py more maintainable

  refactor
  Parcels-code/Parcels#2836 · Filter by author VeckoTheGecko opened on Aug 18, 2026 · Parcels v4.x (stable)

• Adapt AI policy

  documentationmeta
  Parcels-code/Parcels#2831 · Filter by author VeckoTheGecko opened on Aug 17, 2026

• Add pre-commit hook for documentation code formatting

  documentationmeta
  Parcels-code/Parcels#2828 · Filter by author VeckoTheGecko opened on Aug 17, 2026

• Improve particlefile_to_v3_zarr() performance

  feature
  Parcels-code/Parcels#2818 · Filter by author VeckoTheGecko opened on Aug 13, 2026

• MAINT: Consider extend-select for Ruff

  feature
  Parcels-code/Parcels#2817 · Filter by author VeckoTheGecko opened on Aug 13, 2026
  1

• Support for CEP44 optional dependency groups

  Parcels-code/Parcels#2771 · Filter by author VeckoTheGecko opened on Jul 24, 2026
  2

• Changing dt inside a kernel does not work as expected

  bug
  Parcels-code/Parcels#2765 · Filter by author erikvansebille opened on Jul 23, 2026

• Add testing for adding fields to FieldSets

  testing
  Parcels-code/Parcels#2727 · Filter by author VeckoTheGecko opened on Jul 6, 2026 · Parcels v4.x (stable)

• Relax hardcoding of "lon" and "lat" for input data

  enhancement
  Parcels-code/Parcels#2724 · Filter by author VeckoTheGecko opened on Jul 6, 2026 · Parcels v4.x (stable)

• Update Particle attrs to inherit from the grid type

  Parcels-code/Parcels#2720 · Filter by author VeckoTheGecko opened on Jul 6, 2026

• Add custom pygrep QAQC tooling

  meta
  Parcels-code/Parcels#2717 · Filter by author VeckoTheGecko opened on Jul 2, 2026
  1

• Grid search (ei/igrid) not caching between successive grid search calls

  bugneeds investigationneeds-triagev4
  Bug

  Parcels-code/Parcels#2693 · Filter by author fluidnumericsJoe opened on Jun 23, 2026
  1

  

• Rename _is_agrid

  good first issuerefactor
  Parcels-code/Parcels#2692 · Filter by author VeckoTheGecko opened on Jun 23, 2026