Issues

• New SSP matrixcn test to check that cpl_hist spinup works with NoAnthro (with and without Rtm)

  next
  Testing

  ESCOMP/CTSM#4264 · Filter by author slevis-lmwg opened on Oct 17, 2026
  

• FAIL SMS_D_Ld3_PS.f09_t233.I1850Clm60BgcNoAnthroRtm.derecho_intel.clm-decStart1851_noinitial--clm-matrixcnOn

  bugclosed: wontfixpriority: low
  Bug

  ESCOMP/CTSM#4263 · Filter by author slevis-lmwg opened on Oct 16, 2026 · Eventually
  1

• Bring in workflow improvements from CLM-Tutorial work

  b4bdocs:infrastructuredocs-loc:infrastructuredocumentationgood first issuesize: small
  Documentation

  ESCOMP/CTSM#4260 · Filter by author samsrabin opened on Oct 16, 2026 · ctsm6.0.0 (code freeze)
  

• List failing tests – especially F or B cases, address these if needed

  testing
  Testing

  ESCOMP/CTSM#4258 · Filter by author wwieder opened on Oct 15, 2026 · ctsm5.5.0 (cesm3_0_beta12; cesm3.0.0 release branch tag)
  

• New fails with updated CISM because of history file changes in it for some ERP tests

  bugtesting
  Bug

  ESCOMP/CTSM#4256 · Filter by author ekluzek opened on Oct 12, 2026 · ctsm5.5.0 (cesm3_0_beta12; cesm3.0.0 release branch tag)
  1

  

• Update and distinquish the quadratic solver

  b4benhancementmodernizationsize: small
  Task

  ESCOMP/CTSM#4254 · Filter by author ekluzek opened on Oct 10, 2026 · ctsm5.5.0 (cesm3_0_beta12; cesm3.0.0 release branch tag)
  

• hist_ndens needs to change from 1 to 2 in FatesSp tests

  FATEStest: fates
  Task

  ESCOMP/CTSM#4252 · Filter by author slevis-lmwg opened on Oct 9, 2026
  1

  

• Generate new anomaly forcing files from ARISE

  enhancementsciencesupport
  Task

  ESCOMP/CTSM#4251 · Filter by author wwieder opened on Oct 8, 2026
  2

  

• Develop the "What'sNewinCTSM5.5" release notes

  b4bdocs:newdocs-loc:codebasedocumentation
  Documentation

  ESCOMP/CTSM#4249 · Filter by author slevis-lmwg opened on Oct 8, 2026 · ctsm5.5.0 (cesm3_0_beta12; cesm3.0.0 release branch tag)
  1

  

• Create CTSM5.5 release tag for CESM3

  branch tag: release
  Task

  ESCOMP/CTSM#4248 · Filter by author wwieder opened on Oct 8, 2026 · ctsm5.5.0 (cesm3_0_beta12; cesm3.0.0 release branch tag)
  

• Update LII_ + PFS tests from g17 to t233 grid when finalizing our ICs

  testing
  Task

  ESCOMP/CTSM#4245 · Filter by author slevis-lmwg opened on Oct 5, 2026
  1

  

• Inconsistent eff_porosity calculations and unused code in SoilMoistStressMod

  bug
  Bug

  ESCOMP/CTSM#4244 · Filter by author swensosc opened on Oct 5, 2026 · ctsm6.0.0 (code freeze)
  10

  

• Extra land variables for CMIP output

  b4b
  Task

  ESCOMP/CTSM#4240 · Filter by author slevis-lmwg opened on Oct 1, 2026
  

• build_status blocks case rebuild

  b4busability
  Bug

  ESCOMP/CTSM#4239 · Filter by author swensosc opened on Oct 1, 2026 · ctsm6.0.0 (code freeze)
  5

  

• VR grids sometimes give different answers

  blocked: dependencybugscience
  Bug

  ESCOMP/CTSM#4237 · Filter by author ekluzek opened on Sep 30, 2026
  1

• SMS_Ld12_Mmpi-serial.1x1_urbanc_alpha.I1PtClm60SpRsGs.derecho_intel.clm-output_sp_highfreq fails in ctsm5.4.057

  b4bbugexternalusability
  Bug

  ESCOMP/CTSM#4226 · Filter by author ekluzek opened on Sep 23, 2026 · ctsm6.0.0 (code freeze)
  3

  

• Indicate why we have two variables for snow cover fraction (frac_sno_albedo and frac_sno_fluxes) and when they are different.

  b4bdocs-loc:tech-notedocumentation
  Documentation

  ESCOMP/CTSM#4219 · Filter by author olyson opened on Sep 17, 2026
  1

  

• Change "Spinup" compsets to "Cplhist"

  b4busability
  Usability

  ESCOMP/CTSM#4218 · Filter by author ekluzek opened on Sep 17, 2026 · ctsm6.0.0 (code freeze)
  2

  

• check-compset-aliases.sh doesn't seem to be working correctly

  b4btestingusability
  Testing

  ESCOMP/CTSM#4214 · Filter by author ekluzek opened on Sep 16, 2026
  5

  

• Remove command line options for ones that are already in XML: use_case, lnd_tuning_mode, glc_nec, co2_type, co2_ppmv, clm_usr_name, clm_accelerated_spinup, structure, res, configuration, csmdata

  b4bcode healthenhancementsize: smallusability
  ESCOMP/CTSM#4211 · Filter by author ekluzek opened on Sep 16, 2026 · ctsm7.0.0

• Update technote with new wetlands algorithms

  b4bdocs:updatedocs-loc:tech-notedocumentationpriority: high
  Documentation

  ESCOMP/CTSM#4205 · Filter by author slevis-lmwg opened on Sep 9, 2026 · ctsm6.0.0 (code freeze)
  

• dribble_crophrv_xsmrpool_2atm=.true. crashes SASU runs

  bug
  Bug

  ESCOMP/CTSM#4201 · Filter by author wwieder opened on Sep 8, 2026 · Eventually
  6

  

• FATES liquid water boundary conditions sometimes include ice

  buggood first issuesize: small
  Bug

  ESCOMP/CTSM#4197 · Filter by author samsrabin opened on Sep 3, 2026 · ctsm6.1.0
  3

  

• Update newly added CLMU technote section with indoor humidity and air-conditioning dehumidification

  b4bblocked: dependencydocs:newdocs:updatedocs-loc:tech-notedocumentationtest: docs
  Documentation

  ESCOMP/CTSM#4195 · Filter by author slevis-lmwg opened on Sep 2, 2026 · ctsm6.0.0 (code freeze)
  

• Add expect statements for the tower site settings

  b4benhancementsize: smallusability
  Usability

  ESCOMP/CTSM#4192 · Filter by author ekluzek opened on Sep 2, 2026 · ctsm6.1.0
  2