ctsm5.4.029

[CTSM Gatekeeper]

*** RESPONSES TO THIS EMAIL WILL NOT BE READ ***
===============================================================
Tag name: ctsm5.4.029
Originator(s): slevis (Samuel Levis,UCAR/TSS,303-665-1310)
Date: Mon Mar 30 03:25:18 PM MDT 2026
One-line Summary: Merge b4b-dev to master

Purpose and description of changes
----------------------------------

Listing PR numbers, corresponding branches, and PR titles:
- #3891 from slevis-lmwg/pasture_rangeland_doc: Technote: Explain how pasture and rangeland are assigned to PFTs
- #3839 from slevis-lmwg/menu_lower_left: Update documentation references to the version menu to say "bottom left"
- #3829 from huiqi-wang/fix-hydrology-doc-typos: Fix hydrology doc typos
- #3822 from ekluzek/update_submodules_to_cesm30a08l: Update submodules to ones in cesm3_0_alpha08l
- #3305 from ijaguirre/run_tower_more_documentation: more information regarding PLUMBER 2 simulations using the ./runtower…
- #3818 from huiqi-wang/fix-doc-underscore-typos: Fix typos and errors in tech note documentation
- #3814 from slevis-lmwg/rm_popdensncl: In tools/contrib remove popden.ncl and run_clmtowers; update the corresponding README
- #3592 from mvdebolskiy/bugfix-fatessp-itype: bfb: Bugfix for FatesSp compiled with intel

Bugs fixed
----------
List of CTSM issues fixed (include CTSM Issue # and description) [one per line]:
Resolves #3256
Resolves #3234
Resolves #3703
Resolves #2997
Resolves #3541
Resolves #3507

Notes of particular relevance for users
---------------------------------------
Changes to documentation:
Much of this work involves updates to the documentation

Notes of particular relevance for developers:
---------------------------------------------
Changes to tests or testing:
Updates to ExpectedTestFails.xml

Contributors:
@huiqi-wang @ekluzek @ijaguirre @mvdebolskiy

Testing summary:
----------------

[PASS means all tests PASS; OK means tests PASS other than expected fails.]

build-namelist tests (if CLMBuildNamelist.pm has changed):

derecho - OK (2 tests are expected to fail)

python testing (if python code has changed; see instructions in python/README.md; document testing done):

derecho - PASS

regular tests (aux_clm: https://github.com/ESCOMP/CTSM/wiki/System-Testing-Guide#pre-merge-system-testing):

derecho ----- OK
izumi ------- OK

Answer changes
--------------
Changes answers relative to baseline: No

Other details
-------------
List any git submodules updated (cime, rtm, mosart, cism, fates, etc.):
ccs_config_cesm1.0.77 --> ccs_config_cesm1.0.79
cime6.1.146 --> cime6.1.169
pio2_6_6 --> pio2_6_8

Pull Requests that document the changes (include PR ids):
https://github.com/ESCOMP/ctsm/pull/3894

===============================================================
===============================================================