Update ChangeLog/ChangeSum.

Author: samsrabin

doc/ChangeLog

@@ -1,4 +1,73 @@
 ===============================================================
+Tag name: ctsm5.3.047
+Originator(s): samrabin (Sam Rabin, UCAR/TSS)
+Date: Mon May 26 16:30:10 MDT 2025
+One-line Summary: Merge b4b-dev to master
+
+Purpose and description of changes
+----------------------------------
+
+Merge b4b-dev to master. Includes PRs:
+- [Pull Request #3056: QOL improvements in mksurfdata_esmf makefile by samsrabin](https://github.com/ESCOMP/CTSM/pull/3056)
+- [Pull Request #3100: Fix Longitude comparison error for regional subset_data by samsrabin](https://github.com/ESCOMP/CTSM/pull/3100)
+- [Pull Request #3122: Fix a couple of things in documentation conf.py by samsrabin](https://github.com/ESCOMP/CTSM/pull/3122)
+- [Pull Request #3128: Fix ctsm-docs container version tagging by samsrabin](https://github.com/ESCOMP/CTSM/pull/3128)
+- [Pull Request #3138: Don't build docs for ChangeLog/Sum by samsrabin](https://github.com/ESCOMP/CTSM/pull/3138)
+- [Pull Request #3143: Don't run workflows on plain tag creation by samsrabin](https://github.com/ESCOMP/CTSM/pull/3143)
+- [Pull Request #3144: Add docs issue template by samsrabin](https://github.com/ESCOMP/CTSM/pull/3144)
+
+Significant changes to scientifically-supported configurations
+--------------------------------------------------------------
+
+Does this tag change answers significantly for any of the following physics configurations?
+(Details of any changes will be given in the "Answer changes" section below.)
+
+[ ] clm6_0
+
+[ ] clm5_0
+
+[ ] ctsm5_0-nwp
+
+[ ] clm4_5
+
+
+Bugs fixed
+----------
+
+List of CTSM issues fixed (include CTSM Issue # and description):
+- [Issue #3093: subset_data: Longitude comparison error](https://github.com/ESCOMP/CTSM/issues/3093)
+- [Issue #3126: Increment docs container version](https://github.com/ESCOMP/CTSM/issues/3126)
+- [Issue #3142: Workflows run on new tags even w/o file changes](https://github.com/ESCOMP/CTSM/issues/3142)
+
+
+Testing summary:
+----------------
+
+
+ [PASS means all tests PASS; OK means tests PASS other than expected fails.]
+
+  build-namelist tests (if CLMBuildNamelist.pm has changed):
+
+    derecho - PASS
+
+  python testing (if python code has changed; see instructions in python/README.md; document testing done):
+
+    clm_pymods test suite on derecho - 
+
+  regular tests (aux_clm: https://github.com/ESCOMP/CTSM/wiki/System-Testing-Guide#pre-merge-system-testing):
+
+    derecho ----- OK
+    izumi ------- OK
+
+
+Other details
+-------------
+
+Pull Requests that document the changes (include PR ids):
+- [Pull Request #3154: Merge b4b-dev 2025-05-24 by samsrabin](https://github.com/ESCOMP/CTSM/pull/3154)
+
+===============================================================
+===============================================================
 Tag name: ctsm5.3.046
 Originator(s): rgknox (Ryan Knox)
 Date: Mon 26 May 2025 02:45:52 AM MDT

doc/ChangeSum

@@ -1,5 +1,6 @@
 Tag                   Who      Date  Summary
 ============================================================================================================================
+       ctsm5.3.047 samrabin 05/26/2025 Merge b4b-dev to master
        ctsm5.3.046   rgknox 05/26/2025 For FATES set itype to ispval and a few unused variables to nan to help prevent future problems
        ctsm5.3.045 glemieux 05/20/2025 FATES default parameter update for API 40
        ctsm5.3.044   slevis 05/14/2025 Introduce time-evolving LEAFCN_TARGET as function of leafcn param