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ctsm6.0.0 (code freeze)

ctsm6.0.0 (code freeze)

Open

Due by May 22, 2026

Last updated Mar 19, 2026

31% complete

Things that we want to see in the ctsm6.0.000 tag and release-clm6.0 tag on main. Which will be the starting point for the CESM3.0.0 release branch.

This will be marked as a release.

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Select all issues: List view

0 issues of 217 selected

Open
(217)
Closed
(100)

Only run test_derecho_mpirun Python test on Derecho

bfbbit-for-bitbit-for-bit

test: pythonPass clm_pymods test suite plus Python sys/unit tests before mergingPass clm_pymods test suite plus Python sys/unit tests before merging

testingadditions or changes to testsadditions or changes to tests

Status: Open.

#2987 In ESCOMP/CTSM;

· samsrabin opened

on Mar 5, 2025

Update "custom crop calendars" instructions

bugsomething is working incorrectlysomething is working incorrectly

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:updateSignificant update or fix needed to existing documentationSignificant update or fix needed to existing documentation

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#2868 In ESCOMP/CTSM;

· samsrabin opened

on Nov 7, 2024

Logic for initializing C isotopes and maybe other variables incorrect when using init_interp

bugsomething is working incorrectlysomething is working incorrectly

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

#67 In ESCOMP/CTSM;

· billsacks opened

on Dec 16, 2017

Isotope bug fixes and tests

Status: Open.

#2002 In ESCOMP/CTSM;

· wwieder opened

on May 10, 2023

Receive ozone from atmosphere

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

PR status: awaiting reviewWork on this PR is paused while waiting for review.Work on this PR is paused while waiting for review.

PR status: readyPR: this is ready to merge in, with all tests satisfactory and reviews completePR: this is ready to merge in, with all tests satisfactory and reviews complete

Status: Open.

#270 In ESCOMP/CTSM;

· billsacks opened

on Feb 12, 2018

Allow Prigent streams to be off in Leung_2023 dust emissions for Paleo work

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

Status: Open.

#2381 In ESCOMP/CTSM;

· ekluzek opened

on Feb 21, 2024

Rework physics versions used in our System tests (least clm4_5, midlevel clm5_0, and most clm6_0)

code healthimproving internal code structure to make easier to maintain (sustainability)improving internal code structure to make easier to maintain (sustainability)

priority: highHigh priority to fix/merge soon, e.g., because it is a problem in important configurationsHigh priority to fix/merge soon, e.g., because it is a problem in important configurations

testingadditions or changes to testsadditions or changes to tests

Status: Open.

#2404 In ESCOMP/CTSM;

· ekluzek opened

on Mar 6, 2024

Add ability of mksurfdata_esmf to create datasets that can be used for Paleo work...

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

Status: Open.

#578 In ESCOMP/CTSM;

· ekluzek opened

on Nov 28, 2018

Update solver in CTSM

code healthimproving internal code structure to make easier to maintain (sustainability)improving internal code structure to make easier to maintain (sustainability)

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

Status: Open.

#2422 In ESCOMP/CTSM;

· ekluzek opened

on Mar 14, 2024

Bugs in crop phenology when running with a Gregorian calendar

bugsomething is working incorrectlysomething is working incorrectly

priority: lowBackground task that doesn't need to be done right away.Background task that doesn't need to be done right away.

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

#1595 In ESCOMP/CTSM;

· billsacks opened

on Jan 6, 2022

Metadata on 5x5 WISE mapunits dataset is misleading

docs-loc:otherRelates to documentation somewhere not covered by the other docs-loc labels.Relates to documentation somewhere not covered by the other docs-loc labels.

docs:minor-content-fixSmall fix needed to (or improvement suggested in) documentation contentSmall fix needed to (or improvement suggested in) documentation content

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

priority: lowBackground task that doesn't need to be done right away.Background task that doesn't need to be done right away.

Status: Open.

#2462 In ESCOMP/CTSM;

· ekluzek opened

on Apr 8, 2024

Add more tests to ctsm_sci for submodule updates

testingadditions or changes to testsadditions or changes to tests

Status: Open.

#1859 In ESCOMP/CTSM;

· billsacks opened

on Sep 29, 2022

Balance checks not turned on for CLM-DART simulations

bugsomething is working incorrectlysomething is working incorrectly

usabilityImprove or clarify user-facing optionsImprove or clarify user-facing options

Status: Open.

#2525 In ESCOMP/CTSM;

· braczka opened

on May 4, 2024

Single-point mode incompatible with parallel I/O Netcdf? Suggestion to update documentation.

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:updateSignificant update or fix needed to existing documentationSignificant update or fix needed to existing documentation

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#614 In ESCOMP/CTSM;

· thiagoveloso opened

on Jan 11, 2019

Update documentation for PTS_MODE

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:updateSignificant update or fix needed to existing documentationSignificant update or fix needed to existing documentation

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#1234 In ESCOMP/CTSM;

· ekluzek opened

on Dec 18, 2020

Update User's Guide: Running CLM5.0 with irrigation

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:updateSignificant update or fix needed to existing documentationSignificant update or fix needed to existing documentation

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#1640 In ESCOMP/CTSM;

· samsrabin opened

on Feb 8, 2022

Change user's guide to document how to use the new mksurfdata_esmf tool

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:updateSignificant update or fix needed to existing documentationSignificant update or fix needed to existing documentation

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

Status: Open.

#1718 In ESCOMP/CTSM;

· ekluzek opened

on Apr 25, 2022

run_neon base case must be of same run type as a requested clone

bugsomething is working incorrectlysomething is working incorrectly

docs-loc:?Location of needed change(s) is unknownLocation of needed change(s) is unknown

docs:?Type of documentation issue unknownType of documentation issue unknown

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#1926 In ESCOMP/CTSM;

· wwieder opened

on Dec 13, 2022

User's Guide table missing: Required Files for Different Configurations and Simulation Types

docs-loc:users-guideRelates to User's Guide (using CTSM/tools)Relates to User's Guide (using CTSM/tools)

docs:minor-content-fixSmall fix needed to (or improvement suggested in) documentation contentSmall fix needed to (or improvement suggested in) documentation content

documentationadditions or edits to user-facing documentation or its infrastructureadditions or edits to user-facing documentation or its infrastructure

Status: Open.

#2224 In ESCOMP/CTSM;

· samsrabin opened

on Oct 27, 2023

Add hillslope scripts

Status: Open.

#2400 In ESCOMP/CTSM;

· samsrabin opened

on Mar 5, 2024

Deprecate and remove the VIC-Hydro option

code healthimproving internal code structure to make easier to maintain (sustainability)improving internal code structure to make easier to maintain (sustainability)

Status: Open.

#2597 In ESCOMP/CTSM;

· ekluzek opened

on Jun 13, 2024

Add support for 1979_control, 1979-PD_transient needed for some CAM resolutions

bfbbit-for-bitbit-for-bit

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

good first issuesimple; good for first-time contributorssimple; good for first-time contributors

Status: Open.

#2498 In ESCOMP/CTSM;

· ekluzek opened

on Apr 29, 2024

Not enough error checking for adding new restart variables

bugsomething is working incorrectlysomething is working incorrectly

code healthimproving internal code structure to make easier to maintain (sustainability)improving internal code structure to make easier to maintain (sustainability)

Status: Open.

#2616 In ESCOMP/CTSM;

· ekluzek opened

on Jun 24, 2024

Phase out of Izumi for our testing

testingadditions or changes to testsadditions or changes to tests

Status: Open.

#2622 In ESCOMP/CTSM;

· ekluzek opened

on Jun 26, 2024

Use full MPI library for mpi-serial tests

bfbbit-for-bitbit-for-bit

blocked: dependencyWait to work on this until dependency is resolvedWait to work on this until dependency is resolved

code healthimproving internal code structure to make easier to maintain (sustainability)improving internal code structure to make easier to maintain (sustainability)

enhancementnew capability or improved behavior of existing capabilitynew capability or improved behavior of existing capability

good first issuesimple; good for first-time contributorssimple; good for first-time contributors

testingadditions or changes to testsadditions or changes to tests

Status: Open.

#2497 In ESCOMP/CTSM;

· ekluzek opened

on Apr 26, 2024

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