diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 26b3529ad6..b7ddc8a552 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -22,6 +22,23 @@ individual files.
 
 The changes are now listed with the most recent at the top.
 
+**September 18 2023 :: Fluxnet observation converter and obs_def_rttov13_mod.f90 bug-fixes. Tag v10.8.4**
+
+Fluxnet obs converter:
+
+- Generates a new observation converter (Fluxnetfull_to_obs) for eddy 
+  covariance flux tower data (carbon, water energy fluxes)
+- Documentation changes made to the older, deprecated ameriflux 
+  converter (level4_to_obs) and the broken links have been fixed
+- New flux tower observation types added to accomodate the forward 
+  operator approach for time aggregated fluxes (daily through monthly)
+
+obs_def_rttov13_mod.f90 bug-fixes:
+
+- Added public get_channel to obs_def_rttov13_mod.f90 to compile WRF 
+  successfully with rttov13.
+- Removed cloud_overlap (integer) from the function: get_rttov_option_logical
+
 **August 21 2023 :: CAM-FV shell scripts. Tag v10.8.3**
 
 Performance improvements for CAM-FV shell scripts:
diff --git a/conf.py b/conf.py
index 90264588af..7e5f834bae 100644
--- a/conf.py
+++ b/conf.py
@@ -21,7 +21,7 @@
 author = 'Data Assimilation Research Section'
 
 # The full version, including alpha/beta/rc tags
-release = '10.8.3'
+release = '10.8.4'
 root_doc = 'index'
 
 # -- General configuration ---------------------------------------------------