Merge master ctsm5.4.031 to b4b-dev#3919
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samsrabin merged 26 commits intoESCOMP:b4b-devfrom Apr 10, 2026
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Change to using the ifx compiler and some more fixes Updates ccs_config to 1.0.75 which has the new ifx compiler in use for derecho_intel, as well as updating to using ESMF8.9.0. This exposed problems in the code on two fronts when running with DEBUG mode: Reliance on short-circuiting in if statements Problems with NaN's, in datasets especially _FillValue For the former, we changed code to break up if statements so this would work. And with the latter we point to new datasets with the NaN's handled. mosart and cdeps code also had short-circuiting problems. @samsrabin created a script to examine all of the files in namelist_defaults_ctsm.xml and in the testmod directories to check if there were problems with NaN's in _FillValues. The modified files here all were the result of the first pass of that script. The new files all have a ".no_nan_fill.nc" ending on them. Includes updating submodules: ccs_config, cdeps, mosart
Add build namelist check for the landuse mode transitional ruleset
Transfer biophysical variables for output with FATES dimensions This pull request updates the high frequency wrapper procedure in the interface to pass biophysical CLM variables to be output along FATES dimensions. The FATES land use x pft dimension is also added to the history module. The FATES base land use test module adds the FATES history noted above to the test output.
Merge b4b-dev to master - Various documentation updates - Update submodules to ones in cesm3_0_alpha08l - Bugfix for FatesSp compiled with intel PR ESCOMP#3894
This reverts commit 2a838fb.
ctsm5.4.030: Add a FATES namelist option for land use transition logic
Add a FATES namelist option for land use transition logic
ctsm5.4.031: Merge b4b-dev to master 2026-04-09
Merge b4b-dev to master
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Description of changes
Merging back to b4b-dev.