diff --git a/pipelines/optimus/Optimus.changelog.md b/pipelines/optimus/Optimus.changelog.md
index dfda2e5cb..8419f27cf 100644
--- a/pipelines/optimus/Optimus.changelog.md
+++ b/pipelines/optimus/Optimus.changelog.md
@@ -1,7 +1,20 @@
+# (next version)
+2020-04-24 (Date of Last Commit)
+
+* Added a new counting_mode parameter to Optimus workflow which enables processing of single-nuclei datasets
+* Updated Drop-seq tools to v2.3.0; this update is only used when the workflow is set to the single-nuclei mode (counting_mode = sn_rna) 
+* Updated sctools to support the single-nuclei parameter (counting_mode = sn_rna) 
+* Added tests for running the workflow when counting_mode = sn_rna 
+* Updated the Zarr and Loom output to include a global attribute describing the counting mode
+* Added new example datasets that can be used with the Optimus workflow
+* Updated the README documentation to detail the new counting_mode parameter, describe example datasets, and to include a new FAQ section
+
+  
+
 # optimus_v2.0.0
+2020-02-28 (Date of Last Commit)
 
 * Fixed bug that resulted in emptyDrops output being incorrect
-
 * Updated workflow to WDL 1.0
 
 # optimus_v1.4.0
@@ -9,11 +22,8 @@
 2019-11-08 (Date of Last Commit)
 
 * Addition of support for V3 chemistry
-
 * Addition of input parameter validation step
-
 * Greatly improved documentation
-
 * Improvements to ZARR output
 
 # optimus_v1.3.6
@@ -21,13 +31,9 @@
 2019-09-23 (Date of Last Commit)
 
 * EmptyDrops output is now included in the ZARR output
-
 * The GTF modification step is removed from the scatter, resulting in better performance and caching
-
 * Memory of several tasks is increased
-
 * The ZARR output is now compulsory and the relevant input flag has been removed
-
 * Support for loom format has been added and a new optional flag dictates if the file is created
 Documentation has been updated
 
@@ -49,7 +55,6 @@ Documentation has been updated
 2019-08-08 (Date of Last Commit)
 
 * Release a new patch version of Optimus with an ambitious memory allocation for CalculateCellMetrics task.
-
 * This version and all future versions have been scientifically validated on Mouse reference version mm10 (GRCm39, Gencode M21)
 
 # optimus_v1.3.2