Issues

• netCDF saver fails on int64 data when saving NETCDF3_64BIT

  Agentic
  SciTools/iris#7337 · Filter by author trexfeathers opened on Oct 14, 2026

• UGRID load loses the mesh when a connectivity variable lacks cf_role or start_index

  Type: Bug
  SciTools/iris#7332 · Filter by author trexfeathers opened on Oct 13, 2026

• Check attribute content against netCDF's constraints before saving

  Feature: NetCDF + CF-conventionsType: Bug
  SciTools/iris#7329 · Filter by author trexfeathers opened on Oct 12, 2026

• Rework the netCDF saver's createVariable keyword API

  Feature: NetCDF + CF-conventionsStatus: Decision RequiredType: Tech Debt
  SciTools/iris#7328 · Filter by author trexfeathers opened on Oct 12, 2026

• Masking global cube with ocean shapefile

  Type: Bug
  SciTools/iris#7324 · Filter by author rcomer opened on Oct 8, 2026 · Winter 2026/27
  2

• AGENTS.md content possibly going stale

  SciTools/iris#7323 · Filter by author pp-mo opened on Oct 7, 2026
  1

• guess_bounds(yearly=True) fails on a single point, monthly=True works

  SciTools/iris#7311 · Filter by author rmz-oz opened on Sep 30, 2026
  2

  

• CFReader._build_cf_groups: "is CFBoundaryVariable" identity test can never be True

  Agentic
  SciTools/iris#7296 · Filter by author trexfeathers opened on Sep 23, 2026

• Remove pin on sphinx-llm

  SciTools/iris#7295 · Filter by author pp-mo opened on Sep 23, 2026 · Candidate for next release
  1

• iris.save(..., compute=False) returns a tuple, not the documented Delayed

  AgenticType: Documentation
  SciTools/iris#7291 · Filter by author bjlittle opened on Sep 22, 2026

• Zarr I/O: how should the CF attribute model map onto JSON?

  AgenticType: Feature Branch
  SciTools/iris#7288 · Filter by author bjlittle opened on Sep 21, 2026

• ncdata broken by Iris 3.16

  Type: Bug
  SciTools/iris#7283 · Filter by author pp-mo opened on Sep 18, 2026

• [Agentic] Test dependency nothing is installed unpinned from a git default branch

  AgenticStatus: Decision RequiredType: InfrastructureType: Tech Debt
  SciTools/iris#7277 · Filter by author bjlittle opened on Sep 11, 2026

• Performance Shift(s): 253510b3

  BotType: Performance
  SciTools/iris#7272 · Filter by author github-actions opened on Sep 8, 2026
  

• contourf workaround

  Type: Tech Debt
  SciTools/iris#7261 · Filter by author rcomer opened on Aug 29, 2026
  2

• Docs page on "how to replace iris.analysis.calculus"

  Type: Documentation
  SciTools/iris#7260 · Filter by author trexfeathers opened on Aug 25, 2026
  1

• Incompatibility with xxhash 4.0

  Type: Bug
  SciTools/iris#7251 · Filter by author heikoklein opened on Aug 17, 2026
  4

  

• Address slow loading with time-varying reference fields

  Type: Performance
  SciTools/iris#7250 · Filter by author pp-mo opened on Aug 13, 2026
  3

• _MeshIndexSet - indexing does not correctly construct non-node connectivities

  SciTools/iris#7245 · Filter by author trexfeathers opened on Aug 5, 2026

• Implement array hashing in merge, as done in concatenate

  SciTools/iris#7241 · Filter by author pp-mo opened on Jul 30, 2026

• Investigate patterns for a long-standing 'breaking changes' branch

  SciTools/iris#7240 · Filter by author trexfeathers opened on Jul 30, 2026
  1

• Integration tests for _MeshIndexSet expected shapes

  SciTools/iris#7235 · Filter by author trexfeathers opened on Jul 29, 2026

• Improve indexing for _MeshIndexSet

  SciTools/iris#7234 · Filter by author trexfeathers opened on Jul 29, 2026

• Finalise equality and identity of _MeshIndexSet

  SciTools/iris#7233 · Filter by author trexfeathers opened on Jul 29, 2026

• The template for .pre-commit-config.yaml has been updated

  SciTools/iris#7231 · Filter by author scitools-ci opened on Jul 29, 2026