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Update to cesm3_0_beta08 series submodules

bfbbit-for-bitbit-for-bit

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.

Feature

#3703 In ESCOMP/CTSM;

· ekluzek opened on Jan 22, 2026

Are namelist defaults set correctly, specifically related to megan settings for B1850 case?

bfbbit-for-bitbit-for-bit

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)

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

Status: Open.

Task

#3676 In ESCOMP/CTSM;

· wwieder opened on Jan 5, 2026

Fill the Greenland snow hole: update ICs, remove old CRUJRA option

bugsomething is working incorrectlysomething is working incorrectly

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

Feature

#3707 In ESCOMP/CTSM;

· wwieder opened on Jan 22, 2026

Convert the BareGroundFluxesMod dewpoint calculation into a function

bfbbit-for-bitbit-for-bit

Status: Open (in progress).

ESCOMP/CTSMnumber 3706

#3706 In ESCOMP/CTSM;

· olyson opened on Jan 22, 2026

Check generic crop parameter values

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

Status: Open.

Task

#3659 In ESCOMP/CTSM;

· linniahawkins opened on Dec 11, 2025

Create new auxiliary history file for cplhist test with ndep data

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

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

test: aux_clmPass aux_clm suite before mergingPass aux_clm suite before merging

test: ctsm_sciRun and check ctsm_sci suite before mergingRun and check ctsm_sci suite before merging

Status: Open.

Feature

#1844 In ESCOMP/CTSM;

· adrifoster opened on Sep 2, 2022

b4b: Move the changes to initialize the task decomposition from mpi_scan to main development

bfbbit-for-bitbit-for-bit

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

performanceidea or PR to improve performance (e.g. throughput, memory)idea or PR to improve performance (e.g. throughput, memory)

Status: Draft (not ready).

ESCOMP/CTSMnumber 3666

#3666 In ESCOMP/CTSM;

· ekluzek opened on Dec 16, 2025

CMIP7 CO2 concentrations for I case

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

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

externalissue needs to be addressed elsewhere (submodule); issue here for the sake of project trackingissue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking

supportuser or developer needs helpuser or developer needs help

Status: Open.

Feature

#3386 In ESCOMP/CTSM;

· wwieder opened on Aug 4, 2025

Derecho Intel compiler update

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

externalissue needs to be addressed elsewhere (submodule); issue here for the sake of project trackingissue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking

modernizationE.g., for improving ability to perform on new computing architecturesE.g., for improving ability to perform on new computing architectures

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

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

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

Feature

#3758 In ESCOMP/CTSM;

· ekluzek opened on Feb 12, 2026

Update cdeps with updated CPLHIST data

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

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

externalissue needs to be addressed elsewhere (submodule); issue here for the sake of project trackingissue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

Feature

#3759 In ESCOMP/CTSM;

· ekluzek opened on Feb 12, 2026

Document, test, and add testing for running CPLHIST cases in NUOPC starting from a B case

bfbbit-for-bitbit-for-bit

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

investigationNeeds to be verified and more investigation into what's going on.Needs to be verified and more investigation into what's going on.

testingadditions or changes to testsadditions or changes to tests

Status: Open.

Parent

#3410 In ESCOMP/CTSM;

· ekluzek opened on Aug 13, 2025

CTSM Changes Needed with a new Ocean Mask t233

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

externalissue needs to be addressed elsewhere (submodule); issue here for the sake of project trackingissue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking

investigationNeeds to be verified and more investigation into what's going on.Needs to be verified and more investigation into what's going on.

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

Status: Open.

Feature

#3766 In ESCOMP/CTSM;

· ekluzek opened on Feb 18, 2026

New location for xlnd

bfbbit-for-bitbit-for-bit

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

modernizationE.g., for improving ability to perform on new computing architecturesE.g., for improving ability to perform on new computing architectures

Status: Open (in progress).

ESCOMP/CTSMnumber 3793

#3793 In ESCOMP/CTSM;

· billsacks opened on Mar 3, 2026

Make offline 1850 compsets closer to when coupled to CAM by using CO2 from datasets rather than hardcoded values

nextthis should get some attention in the next week or two. Normally each Thursday SE meeting.this should get some attention in the next week or two. Normally each Thursday SE meeting.

non-bfbChanges answers (incl. adding tests)Changes answers (incl. adding tests)

scienceEnhancement to or bug impacting scienceEnhancement to or bug impacting science

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

Status: Open.

Usability

#3801 In ESCOMP/CTSM;

· ekluzek opened on Mar 4, 2026

Hillslope test now failing because a file was in scratch, must have been scrubbed

bugsomething is working incorrectlysomething is working incorrectly

nextthis should get some attention in the next week or two. Normally each Thursday SE meeting.this should get some attention in the next week or two. Normally each Thursday SE meeting.

Status: Open.

Bug

#3807 In ESCOMP/CTSM;

· ekluzek opened on Mar 8, 2026