diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8f8f32..69f0ea6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,30 +11,41 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Added optional SLURM "constraint".
-- Added functionality to run on tile space of stretched cube-sphere grids.
-- Added (and later revised) python package for post-processing ObsFcstAna output.
-
-
 ### Changed
 
-- Revised processing of HISTORY template (GEOSldas_HIST.rc).
-- Switch to using EASE grid tools in MAPL.
-- Specify only ntasks_model for SLURM resource request.
-- Revisions for handling of Nens and special nml and mwtrm path/files in coupled land-atm DAS.
-- Updated some defaults in LDASsa_DEFAULT_inputs_*.nml files.
-
 ### Fixed
 
-- Fixed ncra path for monthly compression
-- Fixed error from MAPL's ApplicationSupport.F90 to init UDUNITS.
-
 ### Removed
 
 ### Deprecated
 
 -----------------------------
 
+## [v3.1.0] - 2025-06-26
+
+- 0-diff vs. v3.0.0.
+
+### Added
+
+- Added python package for post-processing ObsFcstAna output into data assimilation diagnostics ([PR #87](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/87), [PR #111](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/111)). 
+- Support for 2d output from EASE tile space and 2d output on EASE grid: 
+  - Switched EASE grid handling to new MAPL EASE Grid Factory ([PR #115](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/115)).
+  - Revised pre-processing of HISTORY template ([PR #118](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/118)).
+- Support for tile space of stretched cube-sphere grids ([PR #109](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/109)).
+
+### Changed
+
+- Revised experiment setup for coupled land-atm DAS ([PR #102](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/102)).
+- Updated defaults in LDASsa_DEFAULT_inputs_*.nml files ([PR #104](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/104)).
+- Added optional SLURM "constraint" ([PR #112](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/112)).
+- Specify only "ntasks_model" in SLURM resource request ([PR #106](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/106)).
+
+### Fixed
+
+- UDUNITS error ([PR #101](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/101), [PR #123](https://github.com/GEOS-ESM/GEOSldas_GridComp/pull/123)).
+
+-----------------------------
+
 ## [v3.0.0] - 2025-05-28
 
 - 0-diff vs. v2.0.0.
diff --git a/GEOS_LdasGridComp.F90 b/GEOS_LdasGridComp.F90
index 3bf3025..ccb6ad8 100644
--- a/GEOS_LdasGridComp.F90
+++ b/GEOS_LdasGridComp.F90
@@ -8,7 +8,7 @@ module GEOS_LdasGridCompMod
 
   use ESMF
   use MAPL
-
+  
   use GEOS_MetforceGridCompMod,  only: MetforceSetServices  => SetServices
   use GEOS_LandGridCompMod,      only: LandSetServices      => SetServices
   use GEOS_LandPertGridCompMod,  only: LandPertSetServices  => SetServices