diff --git a/common.gradle b/common.gradle
index 4ad74f2a..8e2e97fd 100644
--- a/common.gradle
+++ b/common.gradle
@@ -12,8 +12,8 @@ ext {
     heartCoordinates = 'com.github.stephengold:Heart:8.0.0'
 
     // current versions of libraries:
-    jme3utilitiesniftyVersion = '0.9.30-SNAPSHOT'
-    jme3utilitiesxVersion = '0.3.1-SNAPSHOT'
+    jme3utilitiesniftyVersion = '0.9.30'
+    jme3utilitiesxVersion = '0.3.1'
     jme3Version = '3.5.2-stable'
 }
 
diff --git a/nifty/release-notes.md b/nifty/release-notes.md
index 686f5c5f..93aee79d 100644
--- a/nifty/release-notes.md
+++ b/nifty/release-notes.md
@@ -1,5 +1,9 @@
 # release log for the jme3-utilities-nifty library and related tests
 
+## Version 0.9.30 released on TBD
+
+Base on version 8.0.0 of the Heart library, and version 0.9.16 of Acorus.
+
 ## Version 0.9.29 released on 3 May 2022
 
 + Add 2 protected constructors to the `GuiApplication` class.
diff --git a/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java b/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java
index 8b893249..e0458b05 100644
--- a/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java
+++ b/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java
@@ -60,6 +60,6 @@ private LibraryVersion() {
      * @return branch and revision (not null, not empty)
      */
     public static String versionShort() {
-        return "master 0.9.30-SNAPSHOT";
+        return "master 0.9.30";
     }
 }
diff --git a/x/release-notes.md b/x/release-notes.md
index 52b50274..ef1ec727 100644
--- a/x/release-notes.md
+++ b/x/release-notes.md
@@ -1,5 +1,10 @@
 # release log for the jme3-utilities-x library and related tests
 
+## Version 0.3.1 released on TBD
+
++ Targeted version 3.5.2-stable of jMonkeyEngine.
++ Based on version 8.0.0 of the Heart Library.
+
 ## Version 0.3.0 released on 23 January 2022
 
  + Moved the `Population` class to the Heart Library.
@@ -10,7 +15,7 @@
 
 ## Version 0.2.22 released on 21 August 2021
 
- + Based on version 7.0.0 of the Heart Library.
+Based on version 7.0.0 of the Heart Library.
 
 ## Version 0.2.21 released on 31 May 2021
 
diff --git a/x/src/main/java/jme3utilities/x/XVersion.java b/x/src/main/java/jme3utilities/x/XVersion.java
index 2adfa6e3..42ffa9e9 100644
--- a/x/src/main/java/jme3utilities/x/XVersion.java
+++ b/x/src/main/java/jme3utilities/x/XVersion.java
@@ -60,6 +60,6 @@ private XVersion() {
      * @return branch and revision (not null, not empty)
      */
     public static String versionShort() {
-        return "master 0.3.1-SNAPSHOT";
+        return "master 0.3.1";
     }
 }