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#48 (Oct 16, 2026, 12:55:00 PM)

CHG: Python now supports 3D plotting with the “depthaverage” option.

inwoo.park at 12:04 AM 10/12/26

ADD: SSA calving front numerical stabilisation by Clara Henry et al.

enigne at 8:41 PM 10/12/26

BUG: fix some print outs using Max's patch

mathieu.morlighem at 4:38 AM 10/13/26

CHG: adding pleiades petsc file for MITgcmn coupling

mathieu.morlighem at 12:21 PM 10/13/26

CHG: Replace hard-coded pressure melting point coefficient in the Arrhenius law with md.materials.beta. (#192)

noreply at 5:43 PM 10/13/26

CHG: Fix wrong usage in max function in python.

inwoo.park at 8:06 PM 10/13/26

CHG: force SHAKTI head to balance water pressure at grounding line

mathieu.morlighem at 1:11 PM 10/14/26

BUG: remove the calving law check, so that SSA stabilization use calving rate from previous steps

enigne at 5:19 PM 10/14/26

CHG: hardcoding transfer method to use either scp or rsync that seems more robust

Mathieu Morlighem at 7:19 AM 10/15/26

CHG: merged bracketstyle into 2 scp transfer methods

Mathieu Morlighem at 7:28 AM 10/15/26

Change ISSM website link in README

noreply at 12:45 PM 10/15/26

Fix link formatting in README.md

noreply at 12:46 PM 10/15/26

Adjusted tolerances

34657535+TidbitSoftware at 3:40 PM 10/15/26

CHG: Remove unused module.

inwoo.park at 9:30 PM 10/15/26

inwoo.park at 4:42 AM 10/16/26

CHG: new PETSc installation script for babylon

mathieu.morlighem at 10:50 AM 10/16/26

#47 (Oct 9, 2026, 12:55:00 PM)

NEW: Initialize test2461.m for SEMIC with transient mode.

inwoo.park at 3:31 AM 9/3/26

CHG: display message when people use wrong names

mathieu.morlighem at 7:31 AM 10/5/26

CHG: Synchronized the Arrhenius function with Arrhenius.cpp. Now allows zero water fraction, and the pressure term is applied before the water fraction term.

inwoo.park at 11:18 PM 10/5/26

Rename test from SquareShelf to SemicTransect. Because this test script does not use any square shelf parameterziation.

noreply at 8:13 AM 10/6/26

CHG: minimize number of memory allocations

mathieu.morlighem at 10:42 AM 10/6/26

Adjusted tolerances

34657535+TidbitSoftware at 10:00 AM 10/7/26

CHG: Fix Gadi cluster option; add a mail‑alert setting to avoid unnecessary notifications in my inbox.

inwoo.park at 8:43 PM 10/8/26

inwoo.park at 8:59 PM 10/8/26

#46 (Oct 2, 2026, 12:55:00 PM)

CHG: new approach (turned off by default) to fetch big inputs locally

Mathieu Morlighem at 1:02 PM 9/25/26

BUG: RO was never initialized

Mathieu Morlighem at 1:07 PM 9/25/26

CHG: adding new approach for elements (only send element information relevant to each partition), testing new approach on to check results

Mathieu Morlighem at 11:24 AM 9/27/26

CHG: threshold can be per element or per vertex

mathieu.morlighem at 2:22 PM 9/27/26

CHG: propagating change from matlab to python

mathieu.morlighem at 5:49 PM 9/27/26

CHG: fixing some python files that were different from MATLAB

mathieu.morlighem at 5:56 PM 9/27/26

BUG: Fix memory leak when fetching data in MATLAB.

inwoo.park at 4:04 AM 9/28/26

BUG: should not delete indices before the end of the function

mathieu.morlighem at 7:24 AM 9/28/26

CHG: checking whether weights_string is actually used, seems like it is just a filler, so we should not request users to define them (+ they need to be Enums which makes it difficult)

mathieu.morlighem at 7:43 AM 9/28/26

CHG: removing weights_string, it is not needed anymore and super confusing to users, especially since it needs to be an Enum

mathieu.morlighem at 8:03 AM 9/28/26

BUG: fixing ice front area depth calculation

Mathieu Morlighem at 12:29 PM 9/28/26

NEW: added compatibility for the GRD core with mesh2d (#187)

noreply at 3:34 PM 9/28/26

CHG: adding Greenland velocities from Ian Joughin

mathieu.morlighem at 8:25 AM 9/29/26

CHG: switch to curl -O when wget is unavailable:

mathieu.morlighem at 8:33 AM 9/29/26

CHG: more convenient way to pull satellite imagery from different sources

Mathieu Morlighem at 5:37 PM 9/29/26

initial IML-GlaDS commit

ajh24 at 7:20 AM 9/30/26

added matlab class for IML-GlaDS

ajh24 at 7:51 AM 9/30/26

fixed errant analysis check in matlab class

ajh24 at 7:53 AM 9/30/26

CHG: added LambdaS as a possible output for ESTAR as requested by Issue #189

mathieu.morlighem at 7:55 AM 9/30/26

CHG: added tiff to the list of ignored files in example/Data

mathieu.morlighem at 7:56 AM 9/30/26

added python class for IML-GlaDS

ajh24 at 8:02 AM 9/30/26

CHG: relaxed tolerance for LambdaS

mathieu.morlighem at 8:21 AM 9/30/26

CHG: fixed typo for GPU_HO

Mathieu Morlighem at 10:30 AM 9/30/26

NEW: added water flux calculation at the grounding line

Mathieu Morlighem at 10:43 AM 9/30/26

CHG: added babthymetry information to the par files

Mathieu Morlighem at 12:04 PM 9/30/26

NEW: new GlaDS test with grounding line transition, with test for HydrologyFlux

Mathieu Morlighem at 12:06 PM 9/30/26

CHG: bathymetry information is now in par file

Mathieu Morlighem at 12:07 PM 9/30/26

CHG: hydrology tolerances are now available! Instead of borrowing maxiter/restol/abstol/etc from md.stressbalance you can now use md.hydrology.

Mathieu Morlighem at 4:58 PM 9/30/26

CHG: relaxing tolerances

Mathieu Morlighem at 5:18 PM 9/30/26

CHG: renaming TotalHydrologyBasalFlux -> TotalHydrologyGroundinglineDischarge

Mathieu Morlighem at 5:48 PM 9/30/26

added necessary init fields

ajh24 at 12:15 AM 10/1/26

added hydrology tolerance params to IML-GlaDS and changed depth to height

ajh24 at 1:01 AM 10/1/26

added four argument overload to channels so initial discharge of IML-GlaDS poses no issue to GlaDS

ajh24 at 1:31 AM 10/1/26

made englacial void ratio an array for GlaDS

ajh24 at 4:28 AM 10/1/26

fixed compilation issues and typo on solver

ajh24 at 5:28 AM 10/1/26

changed NightlyRun evr to array

ajh24 at 6:20 AM 10/1/26

Adjusted tolerances

34657535+TidbitSoftware at 10:48 AM 10/1/26

stripped out duplicated GlaDS code from IML-GlaDS

ajh24 at 1:57 AM 10/2/26

BUG: fixed casting that was making CoDiPack compilation crash

mathieu.morlighem at 4:35 AM 10/2/26

BUG: fixed casting that was making CoDiPack compilation crash

mathieu.morlighem at 4:50 AM 10/2/26

CHG: cannot include mpi.h by default

mathieu.morlighem at 5:29 AM 10/2/26

BUG: do not use MPI_IN_PLACE, it makes the compilation break when MPI is not supported

Mathieu Morlighem at 7:53 AM 10/2/26

#45 (Sep 25, 2026, 12:55:00 PM)

CHG: Corrected MUMPS libflag list for PETSc 3.25; better way to find libs in patched CMake configs for GMT; disabling json-c for GDAL; formatting

34657535+TidbitSoftware at 10:03 AM 9/19/26

CHG: Synchronize matlab > python for Arrhenius function in material.

inwoo.park at 12:34 AM 9/21/26

CHG: Coerce arrays in the mesh classes when reading a model from netCDF.

inwoo.park at 12:43 AM 9/21/26

CHG: edges, segments, and segmentmarkers are only for 2D mesh.

inwoo.park at 4:41 AM 9/21/26

CHG: make sure to use VxSurface when MOLHO is turned on

mathieu.morlighem at 7:39 AM 9/21/26

CHG: ignore user setting file

mathieu.morlighem at 7:39 AM 9/21/26

NEW: preparing framework for GPU HO code

Mathieu Morlighem at 8:33 AM 9/22/26

CHG: adding vx/vy_mosaic as supported fields

Mathieu Morlighem at 11:05 AM 9/22/26

#44 (Sep 18, 2026, 12:55:00 PM)

ADD: a test for the friction emulator and a started the 5000 series of test for future ML models

tom.yinmin.liu at 8:43 AM 9/14/26

CHG:relax test5001 tolerances

tom.yinmin.liu at 12:39 PM 9/14/26

BUG:Exclude test5001 from Linux and macOS MATLAB binaries tests

tom.yinmin.liu at 4:05 PM 9/14/26

CHG: Strongly recommended to use the “.nc” extension when writing or reading NetCDF files. Without the extension, the file name can easily be confused with “.mat” files, which may lead to unexpected behavior or misinterpretation. (#183)

noreply at 12:04 AM 9/15/26

inwoo.park at 12:49 AM 9/15/26

CHG: Coerce elements to integer when reading netcd file.

inwoo.park at 1:31 AM 9/15/26

CHG: Synchronize Matlab > Python in plotmodel and fix issue in "pairoptions" function. (#184)

noreply at 1:42 AM 9/15/26

CHG: Updating mirror for Autotools packages; formatting

34657535+TidbitSoftware at 10:39 AM 9/15/26

NEW: starting new calving law implementation with Doug's Stochastic function

mathieu.morlighem at 10:50 AM 9/15/26

mathieu.morlighem at 10:50 AM 9/15/26

CHG: Updating CMake version

34657535+TidbitSoftware at 1:10 PM 9/15/26

CHG: Updating all nightlies to PETSc 3.25 as earlier versions do not play nicely with CMake 4

34657535+TidbitSoftware at 10:07 AM 9/16/26

CHG: Reverting to 3.31.12 as there is still an issue with Dakota 6.2 and CMake > 3 and I don't have time to fix it right now

34657535+TidbitSoftware at 3:30 PM 9/16/26

NEW: working on calving stochastic

Mathieu Morlighem at 7:34 AM 9/17/26

CHG: fixing calving law that requires effective strain rate

Mathieu Morlighem at 7:58 AM 9/17/26

CHG: finished calving propagation through connectivity

Mathieu Morlighem at 8:25 AM 9/17/26

CHG: replaced d by chi

Mathieu Morlighem at 8:30 AM 9/17/26

CHG: Do not treat free-form Fortran line length warning as an error.

34657535+TidbitSoftware at 5:57 PM 9/17/26

CHG: Adjusted tolerances

34657535+TidbitSoftware at 7:25 PM 9/17/26

CHG: Coerce the element array to int64.

inwoo.park at 10:07 PM 9/17/26

NEW: added interpMIPkitGreenland.m to easily interpolate data from MIPkit Greenland onto mesh

Mathieu Morlighem at 10:19 AM 9/18/26

#43 (Sep 11, 2026, 12:55:00 PM)

CHG: added case when vector has only one value

Mathieu Morlighem at 4:35 AM 9/6/26

CHG: made python code similar to matlab's

Mathieu Morlighem at 5:29 AM 9/6/26

CHG: update hudraulic potential for GlaDS if it is available

mathieu.morlighem at 6:00 PM 9/6/26

BUG: fixing edge plotting for new MATLAB versions

mathieu.morlighem at 8:42 AM 9/9/26

CHG: when loading a model, ISSM will now automatically change md.settings.stagingpath to its default if the directory does not exist

mathieu.morlighem at 12:41 PM 9/9/26

CHG: spit warning if user asks for channel data outside of hydrology so that channels don't disappear in model output

mathieu.morlighem at 12:41 PM 9/9/26

#42 (Sep 4, 2026, 12:55:00 PM)

Some changes and some reversions for Windows (still not passing all tests)

34657535+TidbitSoftware at 5:46 PM 8/29/26

Corrected MSMPI_ROOT path

34657535+TidbitSoftware at 7:13 PM 8/29/26

Updated examples datasets download script to handle pulling from GitHub documentation

34657535+TidbitSoftware at 12:14 PM 8/30/26

Better way of stripping transient step coloring for test parsing; updated ignore list

34657535+TidbitSoftware at 6:35 PM 8/30/26

Needed to do local install of MS-MPI again

34657535+TidbitSoftware at 6:52 PM 8/30/26

CHG: Add stricter consistency checks for friction.coupling=4 (effective pressure from hydrology model).

inwoo.park at 7:11 PM 8/30/26

Reverting changes to Gmsh install scripts (if you need a new major version, create copy and edit the install script); added major version 5 to gmshplanet allowlist

34657535+TidbitSoftware at 8:25 PM 8/30/26

CHG: in checkconsistency use checkmessage instead of erroring out

mathieu.morlighem at 4:43 AM 8/31/26

CHG: Synchronize Matlab to Python. Add HydrologyPrescribeAnalysis in TransientSolution and HydrologySolution.

inwoo.park at 5:07 AM 8/31/26

CHG: fix consistency check for "frictionschoof" with coupling=4 as like "friction.m".

inwoo.park at 5:09 AM 8/31/26

CHG: fix typos.

inwoo.park at 5:31 AM 8/31/26

CHG: Enable effective_pressure collapse in friction and add support for frictionschoof collapse.

inwoo.park at 9:41 PM 8/31/26

CHG: gadi cluster makes *.lock file.

inwoo.park at 11:56 PM 9/2/26

FIX: ocean connection mask should only be 0 or 1

helene.l.seroussi at 5:50 AM 9/3/26

#41 (Aug 28, 2026, 12:55:00 PM)

CHG: streamlining Params so that it behaves like Inputs (centralize enum_type in Param.h etc)

mathieu.morlighem at 7:35 AM 8/22/26

CHG: streamlining all the SetValues as only one is relevant per class, use Param.h to set the default behavior

mathieu.morlighem at 7:50 AM 8/22/26

CHG: moved most GetParameter to Param.h, only one or 2 are used by each Param class

mathieu.morlighem at 8:22 AM 8/22/26

CHG: all these classes return -1 for Id, moved this behavior to Param.h

mathieu.morlighem at 8:27 AM 8/22/26

CHG: moving ObjectEnum to headerfile since it is so simple

mathieu.morlighem at 8:41 AM 8/22/26

CHG: final cleanup of Params, looks much better now

mathieu.morlighem at 8:56 AM 8/22/26

CHG: streamlining Inputs, just like we did for Params

mathieu.morlighem at 11:32 AM 8/22/26

CHG: removing unused functions

mathieu.morlighem at 12:01 PM 8/22/26

CHG: cleaning up unused variables in Tria

mathieu.morlighem at 1:49 PM 8/22/26

CHG: removing unused variables

mathieu.morlighem at 3:56 PM 8/23/26

CHG: did not mean to add this file, removing

mathieu.morlighem at 3:59 PM 8/23/26

CHG: removing more unused variables

mathieu.morlighem at 5:02 PM 8/23/26

CHG: removing unnecessary includes

mathieu.morlighem at 5:09 PM 8/23/26

BUG: m1qn3 now behaves the same as the FORTRAN code

mathieu.morlighem at 9:57 PM 8/23/26

CHG: added some more explanations needed to speed up Claude

mathieu.morlighem at 12:49 AM 8/24/26

Pushing some minor unversioned changes to JavaScript interface to trigger Jenkins

34657535+TidbitSoftware at 10:19 AM 8/24/26

NEW: added install-3.25-linux.sh

mathieu.morlighem at 5:03 PM 8/24/26

Enabling debugging on binaries builds to allow SLC functionality.

34657535+TidbitSoftware at 11:25 AM 8/25/26

NEW: Added simple lookup method to parameters to check if any given requestedresult are present; CHG: removed ISSM_DEBUG gating on Barystatic SLC inputs (#179)

noreply at 4:13 PM 8/25/26

CHG: minor bug fix detected by claude

mathieu.morlighem at 5:23 PM 8/25/26

CHG: homogenized function descriptions, fixed typos, etc

mathieu.morlighem at 6:24 PM 8/25/26

CHG: removing white line after function declaration

mathieu.morlighem at 6:39 PM 8/25/26

Disabling debugging again on binaries builds now that it is no longer necessary for SLC

34657535+TidbitSoftware at 7:37 PM 8/25/26

CHG: removing weird relic from initial import

mathieu.morlighem at 5:52 PM 8/26/26

CHG: minor cosmetics

mathieu.morlighem at 5:59 PM 8/26/26

CHG: fixed read/write netcdf for MATLAB/python. Tested a few models and worked surprisingly well

mathieu.morlighem at 10:34 PM 8/26/26

Updated Autotools package versions; updated Triangle

34657535+TidbitSoftware at 9:11 PM 8/27/26

ADD: a Thickness Stabilization Scheme for SSA, desgined by Clara Henry and Josefin Ahlkrona

enigne at 12:00 AM 8/28/26

CHG:set default theta in SSA stabilization to 0 (not use TSS)

enigne at 12:12 AM 8/28/26

BUG:fix grounded type for Codipack

enigne at 12:43 AM 8/28/26

CHG: removed --enable-ad that was dead code and fixed POSIX syntax that can be problematic

mathieu.morlighem at 5:57 AM 8/28/26

CHG: some clusters do not have etcpath

mathieu.morlighem at 7:36 AM 8/28/26

FIX: update pfe options

helene.l.seroussi at 7:43 AM 8/28/26

CHF: changed defaults for pfe

helene.l.seroussi at 7:51 AM 8/28/26

CHG: wrong path to environment.sh

mathieu.morlighem at 10:30 AM 8/28/26

CHG: removing unnecessary print

mathieu.morlighem at 10:30 AM 8/28/26

Archive updates for CoDiPack tests; adjusted tolerances

34657535+TidbitSoftware at 10:40 AM 8/28/26

CHG: updated all node options for pleiades

helene.l.seroussi at 11:33 AM 8/28/26

#40 (Aug 21, 2026, 12:55:00 PM)

CHG: made some changes to folding. Do we actually use this function??

mathieu.morlighem at 9:27 AM 8/14/26

BUG: clashes with other interpBedmap2 function, and we are now at BedMap3 anyway :)

mathieu.morlighem at 9:36 AM 8/14/26

CHG: plot_section.m - line colormap only for 2D dataset.

inwoo.park at 6:40 PM 8/16/26

CHG: subplotmodel.m - Support the "axes" option in either handle or 1×4 vector format.

inwoo.park at 6:45 PM 8/16/26

CHG: Fix minor in gadi cluster.

inwoo.park at 7:52 PM 8/16/26

CHG: hydrologyprescribe supports 3D model with extruding 3D.

inwoo.park at 1:25 AM 8/19/26

CHG: no need to save gradient in controlparam anymore

mathieu.morlighem at 12:58 PM 8/19/26

CHG: no need to save aG anymore because it is unused in these functions

mathieu.morlighem at 12:58 PM 8/19/26

#39 (Aug 14, 2026, 12:55:00 PM)

CHG: Synchronize Python > Matlab. Add gadi cluster in matlab.

inwoo.park at 1:28 AM 8/10/26

CHG: shear2d is a duplicate of what mechanicalproperties can do

mathieu.morlighem at 5:56 AM 8/11/26

mathieu.morlighem at 5:57 AM 8/11/26

mathieu.morlighem at 5:57 AM 8/11/26

CHG: removing gradient from control inputs because it is now handled by the optimizer

mathieu.morlighem at 7:10 AM 8/11/26

CHG: optimizer now returns gradient

mathieu.morlighem at 7:10 AM 8/11/26

CHG: no need to output control anymore, it is done by core

mathieu.morlighem at 7:11 AM 8/11/26

CHG: updated archive now that gradient is not automatically extruded

mathieu.morlighem at 7:11 AM 8/11/26

CHG: no need to set gradient anymore since G is handled directly by core

mathieu.morlighem at 7:12 AM 8/11/26

CHG: updating cores now that gradient is handled outside of inputs

mathieu.morlighem at 7:13 AM 8/11/26

CHG: removing all the SetGradients now that it's gone

mathieu.morlighem at 8:29 AM 8/11/26

BUG: should not deal with gradient anymore

mathieu.morlighem at 8:56 AM 8/11/26

BUG: fixed codipack

Mathieu Morlighem at 2:41 PM 8/11/26

CHG: fixed friction linearizations for laws different than 1 and 4

mathieu.morlighem at 3:17 AM 8/13/26

CHG: fixed documentation

mathieu.morlighem at 3:18 AM 8/13/26

CHG: use same behavior for Schoof as C++ code

mathieu.morlighem at 3:40 AM 8/13/26

CHG: removing isnan(N) that is not needed

mathieu.morlighem at 3:41 AM 8/13/26