diff --git a/README.md b/README.md
index 8419940c..c06b5405 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,9 @@ A commercial license can be purchased at [Xceed](https://xceed.com).
 
 ## Release history
 
+* **June 22, 2026 v5.1.0 released with [12 bug fixes and improvements](../../wiki/Improvements-in-v5.1.0).**
+* March 16, 2026, released v5.1.0 Service Release of the [Plus Edition](../../wiki/Xceed-Toolkit-Plus-for-WPF) released with [5 bug fixes and improvements](../../wiki/Improvements-in-v3.5.0#Plus510).
+* September 9, 2025, released v5.1.0 of the [Plus Edition](../../wiki/Xceed-Toolkit-Plus-for-WPF) released with [22 bug fixes and improvements](../../wiki/Improvements-in-v3.5.0#Plus510).
 * **September 9, 2025 v5.0.0 released with [3 bug fixes and improvements](../../wiki/Improvements-in-v5.0.0).**
 * April 28, 2025, released v5.0.0 of the [Plus Edition](../../wiki/Xceed-Toolkit-Plus-for-WPF) released with [15 bug fixes and improvements](../../wiki/Improvements-in-v3.5.0#Plus500).
 * **March 10, 2025 v4.7.0 released with [19 bug fixes and improvements](../../wiki/Improvements-in-v4.7.0).**