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@MathieuMorlighem MathieuMorlighem released this 06 Jan 19:29
· 79 commits to main since this release
2026.1
aced865

This is a regular quarterly release of ISSM.

What's Changed

  • WIP: AD devleopment by @MaxSagebaum in #1
  • Bump the npm_and_yarn group across 1 directory with 2 updates by @dependabot[bot] in #2
  • WIP: Feature/ad development by @MaxSagebaum in #3
  • CHG: ITS_LIVE annual velocity updated to v02 by @enigne in #4
  • WIP: Feature/ad development by @MaxSagebaum in #5
  • Add CI by @enigne in #6
  • CI run Matlab tests by @enigne in #7
  • add cache and artifact to simplify the test by @enigne in #8
  • reorganize CI, add linux-codipack build+test by @enigne in #9
  • separate ubuntu-basic and codipack CI by @enigne in #11
  • bug fix in moving from, calculate calving rate after extrapolation by @enigne in #12
  • update workflow by @enigne in #13
  • Update ICESat ATL14/15 to version 4 by @enigne in #14
  • update TACC Frontera by @enigne in #15
  • NEW: Add option to include subglacial hydrology layer in driving stress calculation in SSA by @koitf1 in #16
  • NEW: include src/m/contrib/poinelli by @MPoinelli in #19
  • NEW: nightly run test for stressbalance hydrology layer by @koitf1 in #18
  • CHG: minor edits, include larsen-thwaites hosts to interpStal2020 by @MPoinelli in #21
  • Love core update by @caronlam in #22
  • Enum fix for Love core update by @caronlam in #23
  • Fix NaN in mass flux computation by @dabele in #24
  • CHG: Fix bug in src/c/analyses/SmbAnalysis.cpp by @inwoo-park in #25
  • Use xarray for interpolating netcdf file in both MATLAB and Python. by @inwoo-park in #26
  • FIX: Love number core Tidal outputs by @caronlam in #28
  • CHG: Fix SEMIC module in ISSM. by @inwoo-park in #30
  • add python CI by @enigne in #31
  • Revert "add python CI" by @enigne in #32
  • add python CI by @enigne in #33
  • NEW: add "loadmodel_netcdf.py" in "src/m/contrib/inwoo" by @inwoo-park in #36
  • CHG: Fix default value for decreasing downward longwave radiation with a value of 29 W m-2 km-1. by @inwoo-park in #37
  • Add Amundsen path to ISMIP6 interp functions by @totorotoby in #38
  • add exp file generating function by @totorotoby in #39
  • fixed directory for ocean forcing by @totorotoby in #44
  • CHG: Fix bugs in SMBsemic modules and add options for desertification effect and downward longwave radiation. by @inwoo-park in #45
  • CHG: loadmodel_netcdf.py - skip loading mmemasstransport in Python. by @inwoo-park in #46
  • Fix mechanicalproperties.py. Synchronize mechanicalproperties.py from Matlab. by @inwoo-park in #47
  • CHG: added additional checks for homebrew installed python libraries by @justinh2002 in #48
  • Added smb, friction, hydrology to read/write_netCDF by @adamjhepburn in #49
  • ADD: added support for running simulations on gadi remote cluster by @justinh2002 in #50
  • Add ability for GEMB forcing to be mapped onto the model mesh using lapse rates by @NJSchlegel in #51
  • CHG: update interp files for passing in other servers and building with MATLAB_DIR by @NJSchlegel in #52
  • NetCDF compression (zlib) and Setonix support by @justinh2002 in #53
  • BUG: only write part of large outlogs and errlogs by @jabadge in #59
  • ADD: contrib/badgeley modeldata new interpolation scripts and bug fix by @jabadge in #56
  • CHG: added preemptable node option for Discovery by @jabadge in #57
  • ADD: added up to Outputdefinition2000Enum by @jabadge in #58
  • Feature/adjoint petsc by @MaxSagebaum in #61
  • CHG: Add humidity downscaling to GEMB mapping routine for smoother spatial melt patterns by @NJSchlegel in #62
  • NEW: Matlab > Python - add plot_gridded.py for drawing gridded image as like matlab. by @inwoo-park in #63
  • CHG: update GEMB mapping routine to downscale surface pressure and use a simpler calculation of relative humidity by @NJSchlegel in #64
  • Fix plot_gridded.py in Python. by @inwoo-park in #65
  • CHG: Fixed frictionweertman.py for compatibility with 3D model extrusion. by @inwoo-park in #66
  • added patch .bin files utility by @justinh2002 in #67
  • CHG: Python > Matlab - Fix to plotting functions in src/m. by @inwoo-park in #68
  • CHG: add GEMB mapping option for precip downscaling and dlw downscaling with temperature when lapse rate is set to zero by @NJSchlegel in #69
  • Prepare for CoDiPack v3. by @MaxSagebaum in #70
  • added -l option for sourcing bashrc on andes when running a batch script by @totorotoby in #72
  • CHG: Fix calculating basal stress using "friction.m" class. Synchronize Matlab >Python. by @inwoo-park in #74
  • CHG: basalstress.m - Fix bugs. by @inwoo-park in #75
  • Update plot functions in Python: plot_gridded.py, applyoptions.py, plot_contour.py. by @inwoo-park in #77
  • Twh/datatips by @totorotoby in #84
  • CHG: Python - Fix bugs in plotting BC, and use either 'BC' or 'bc' interchangeably. by @inwoo-park in #85
  • adjoint fix by @MaxSagebaum in #86
  • Missing interface changes. by @MaxSagebaum in #87
  • Add help documentation to loadresultsfromdisk.m by @bgetraer in #103
  • Update gadi.py cluster by @lawrenceabird in #107
  • Introducing a spatially variable grounding zone + minor commits by @MPoinelli in #106
  • CHG: basalstress.m in matlab, python supports Schoof-type friction law. by @inwoo-park in #110
  • Try to fix out of space issue in Codipack CI by @enigne in #111
  • Modifed cleanup during GitHub workflows by @TidbitSoftware in #112
  • fixed paths to find the source code of older PETSc versions. by @LukasvdWiel in #114
  • CHG: Matlab >Python. Add "plot_none.py" for supporting to plot "none" in plotmodel. by @inwoo-park in #117

New Contributors

Full Changelog: v4.24...2026.1

Contributors

enigne, dabele, and 15 other contributors
Assets 2
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