Issues

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

  non-b4b
  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 for cesm3.0.0 release branch tag
  1

  

• Create CTSM5.5 release tag for CESM3

  branch tag: releasenext
  Task

  ESCOMP/CTSM#4248 · Filter by author wwieder opened on Oct 8, 2026 · CTSM5.5 for cesm3.0.0 release branch tag
  

• Update LII2 tests from t232 to the t233 grid when finalizing our ICs

  testing
  Task

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

• 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)
  2

  

• 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

  

• Consider one or more changes to reduce DYNBAL fluxes (dynamic landunit conservation correction fluxes)

  enhancementinvestigationnon-b4bscience
  Feature

  ESCOMP/CTSM#4188 · Filter by author billsacks opened on Aug 28, 2026
  6

• Consider requiring user to explicitly set reset_dynbal_baselines in certain scenarios

  usability
  Feature

  ESCOMP/CTSM#4186 · Filter by author billsacks opened on Aug 27, 2026 · ctsm6.1.0
  4

  

• Have CLM_CO2_TYPE default set by COMPSET _BGC% setting

  b4bcode healthsize: largeusability
  Code Health

  ESCOMP/CTSM#4184 · Filter by author ekluzek opened on Aug 25, 2026
  3

  

• Have CTSM buildnml fail if CCSM_BGC and CLM_CO2_TYPE isn't consistent

  b4bcode healthenhancementsize: smallusability
  Usability

  ESCOMP/CTSM#4183 · Filter by author ekluzek opened on Aug 24, 2026 · ctsm6.0.0 (code freeze)
  1

  

• ERP_D_Ld90.f45_f45_mg37.I2000Clm60Fates.izumi_nag.clm-FatesColdCStarvationExp is showing a MEMLEAK

  bugexternalinvestigationperformance
  Performance

  ESCOMP/CTSM#4174 · Filter by author ekluzek opened on Aug 13, 2026 · Eventually
  4

  

• HillslopeFromFile test failing

  bug
  Bug

  ESCOMP/CTSM#4169 · Filter by author ekluzek opened on Aug 12, 2026 · ctsm7.0.0
  7