diff --git a/GameData/RealSolarSystem/Plugins/RealSolarSystem.dll b/GameData/RealSolarSystem/Plugins/RealSolarSystem.dll
index 2b44fc4c..b7e5460d 100644
Binary files a/GameData/RealSolarSystem/Plugins/RealSolarSystem.dll and b/GameData/RealSolarSystem/Plugins/RealSolarSystem.dll differ
diff --git a/GameData/RealSolarSystem/Readme_RSS.txt b/GameData/RealSolarSystem/Readme_RSS.txt
index 7ecf5778..0622cd6a 100644
--- a/GameData/RealSolarSystem/Readme_RSS.txt
+++ b/GameData/RealSolarSystem/Readme_RSS.txt
@@ -34,6 +34,10 @@ FINAL NOTE: You really should play with the recommended mods. See the Realism Ov
 
 ===========================
 Changelog
+v10.3.1
+* Un-revert reversion of Earth biomes.
+* Slightly re-increase launch site comm range, to about that of a Comm16.
+
 v10.3
 * RSS itself now contains groundstation definitions for RemoteTech, with the full networks appearing when RealismOverhaul is installed (via NEEDS--the files are here). Thanks Peppie, regex!
 * Patch AntennaRange antenna ranges, if that's installed. Thanks Kerbas-ad-astra!
diff --git a/Source/Checkers.cs b/Source/Checkers.cs
index c24cc48a..38ddb943 100644
--- a/Source/Checkers.cs
+++ b/Source/Checkers.cs
@@ -65,7 +65,7 @@ public static bool IsCompatible()
             // Even if you don't lock down functionality, you should return true if your users
             // can expect a future update to be available.
             //
-            return Versioning.version_major == 1 && Versioning.version_minor == 0;
+            return Versioning.version_major == 1 && Versioning.version_minor == 0 && Versioning.Revision <= 4;
 
             /*-----------------------------------------------*\
             | IMPLEMENTERS SHOULD NOT EDIT BEYOND THIS POINT! |
diff --git a/Source/Properties/AssemblyInfo.cs b/Source/Properties/AssemblyInfo.cs
index 34a6001c..df8d4902 100644
--- a/Source/Properties/AssemblyInfo.cs
+++ b/Source/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.10.2.0")]
-[assembly: AssemblyFileVersion("0.10.2.0")]
+[assembly: AssemblyVersion("0.10.3.1")]
+[assembly: AssemblyFileVersion("0.10.3.1")]