Issues

• Horizontal Laplacian viscosity is not strictly dissipative with PartialCellBottom

  numerics 🧮
  CliMA/Oceananigans.jl#6472 · Filter by author glwagner opened on Nov 6, 2026
  

• Reductions of lazy operations take much longer to compile with --check-bounds=yes since 0.117

  CliMA/Oceananigans.jl#6471 · Filter by author tomchor opened on Nov 6, 2026
  1

• Closures with vertically implicit diffusion fail to compile with Reactant for certain immersed grid sizes

  reactant ∇
  CliMA/Oceananigans.jl#6433 · Filter by author matt-graham opened on Nov 3, 2026
  1

  

• Reactant: a RectilinearGrid whose vertical discretization holds a struct (e.g. Breeze's terrain-following one) cannot be traced

  CliMA/Oceananigans.jl#6431 · Filter by author dkytezab opened on Nov 3, 2026

• DynamicSmagorinsky test filter was narrowed in #4380, lowering cₛ² about 4×

  bug 🐞turbulence closures 🎐
  CliMA/Oceananigans.jl#6426 · Filter by author tomchor opened on Nov 3, 2026
  1

• NonhydrostaticModel free surface with hydrostatic_pressure_anomaly=nothing is off by half a cell of buoyancy

  CliMA/Oceananigans.jl#6401 · Filter by author glwagner opened on Oct 31, 2026

• Coriolis schemes are not energy-neutral when Δz varies between cells (spurious growing mode with single-level PartialCellBottom)

  CliMA/Oceananigans.jl#6397 · Filter by author glwagner opened on Oct 30, 2026
  2

• intrinsic_vector takes no location, so a staggered (u, v) pair is rotated by the cell-center angle

  CliMA/Oceananigans.jl#6387 · Filter by author ewquon opened on Oct 29, 2026
  1

• Initialising a JLD2Writer gets slow with many outputs (especially computed outputs)

  CliMA/Oceananigans.jl#6374 · Filter by author loisbaker opened on Oct 28, 2026

• Possibily inconsistency in linear EOS formulation

  CliMA/Oceananigans.jl#6369 · Filter by author koenvanderheijden opened on Oct 27, 2026
  2

• Move FieldTimeSeries window update out of split-explicit substepping into update_state!

  CliMA/Oceananigans.jl#6352 · Filter by author navidcy opened on Oct 25, 2026
  5

• NonhydrostaticModel with a free surface still enforces zero net transport through open boundaries

  CliMA/Oceananigans.jl#6343 · Filter by author tomchor opened on Oct 23, 2026

• Rename Sides{L, R} topology to TwoSided{L, R}

  abstractions 🎨
  CliMA/Oceananigans.jl#6339 · Filter by author glwagner opened on Oct 23, 2026
  3

• xnodes/ynodes on a ReactantState LatitudeLongitudeGrid index device arrays from the host

  reactant ∇
  CliMA/Oceananigans.jl#6325 · Filter by author dkytezab opened on Oct 22, 2026
  1

• A LambertConformalConicGrid loses its conformal_mapping when read back from NetCDF or Zarr

  CliMA/Oceananigans.jl#6318 · Filter by author ewquon opened on Oct 22, 2026

• Open boundaries example

  boundary conditions 🏓documentation 📜
  CliMA/Oceananigans.jl#6310 · Filter by author simone-silvestri opened on Oct 22, 2026
  8

• Masked or unmasked immersed vertical momentum fluxes for vector invariant advection?

  immersed boundaries ⛰️numerics 🧮
  CliMA/Oceananigans.jl#6305 · Filter by author xkykai opened on Oct 22, 2026

• Reactant: computed Fields can't be interpolated or passed to a KernelFunctionOperation inside another Field

  CliMA/Oceananigans.jl#6300 · Filter by author glwagner opened on Oct 22, 2026

• @muladd in the Advection kernels gives last-bit differences between rank layouts on the CPU; explicit fma removes them

  CliMA/Oceananigans.jl#6296 · Filter by author enri66 opened on Oct 21, 2026
  8

• Should we change Distributed.connectivity to Distributed.local_connectivity?

  distributed 🕸️
  CliMA/Oceananigans.jl#6295 · Filter by author glwagner opened on Oct 21, 2026
  1

• SplitExplicitFreeSurface: Coriolis is absent from the barotropic substeps, so barotropic rotation lags by one outer step (unstable with AB2)

  CliMA/Oceananigans.jl#6289 · Filter by author aklocker42 opened on Oct 20, 2026
  5

  

• Broadcasting does not work with fields on a MultiRegionGrid

  CliMA/Oceananigans.jl#6280 · Filter by author glwagner opened on Oct 19, 2026

• Roadmap for unifying domain and immersed boundaries

  CliMA/Oceananigans.jl#6272 · Filter by author simone-silvestri opened on Oct 18, 2026
  5

• ImplicitFreeSurface zeroes the transport velocity on open domain boundaries, so tracers cannot enter

  boundary conditions 🏓bug 🐞
  CliMA/Oceananigans.jl#6262 · Filter by author xkykai opened on Oct 15, 2026

• Guides for Claude code usage in writing comments and PR descriptions

  package 📦
  CliMA/Oceananigans.jl#6207 · Filter by author simone-silvestri opened on Oct 9, 2026
  27