diff --git a/README.md b/README.md
index ecfb43f2..bb396379 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Download latest release](https://img.shields.io/github/v/release/LMH01/MGT2_Mod_Tool)](https://github.com/LMH01/MGT2_Mod_Tool/releases/download/v4.8.0/MGT2_Mod_Tool_4.8.0.zip)
+[![Download latest release](https://img.shields.io/github/v/release/LMH01/MGT2_Mod_Tool)](https://github.com/LMH01/MGT2_Mod_Tool/releases/download/v4.9.0-alpha1/MGT2_Mod_Tool_4.9.0-alpha1.zip)
 ![Total Downloads](https://img.shields.io/github/downloads/LMH01/MGT2_Mod_Tool/total)
 [![License](https://img.shields.io/github/license/LMH01/MGT2_Mod_Tool)](LICENSE)
 # Welcome to the Mad Games Tycoon 2 Mod Tool
@@ -6,7 +6,7 @@
 This is a little program that can modify some files of Mad Games Tycoon 2.
 
 Before downloading please read [this information](docs/important.md) carefully.
-## Download: [v4.8.0](https://github.com/LMH01/MGT2_Mod_Tool/releases/download/v4.8.0/MGT2_Mod_Tool_4.8.0.zip)
+## Download: [v4.9.0-alpha1](https://github.com/LMH01/MGT2_Mod_Tool/releases/download/v4.9.0-alpha1/MGT2_Mod_Tool_4.9.0-alpha1.zip)
 #### Getting started:
 - Install Java 8 (if not already installed)
 - Download and extract the `.zip` file
diff --git a/build.gradle b/build.gradle
index e325e3f2..6f713c8e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,7 +38,7 @@ dependencies {
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
-project.version = "4.8.0" //remember to change version in main class
+project.version = "4.9.0-alpha1" //remember to change version in main class
 archivesBaseName = "MGT2_Mod_Tool"
 
 group = "com.github.lmh01"
diff --git a/src/main/java/com/github/lmh01/mgt2mt/MadGamesTycoon2ModTool.java b/src/main/java/com/github/lmh01/mgt2mt/MadGamesTycoon2ModTool.java
index dfa8b21c..4adb8b7c 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/MadGamesTycoon2ModTool.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/MadGamesTycoon2ModTool.java
@@ -19,7 +19,7 @@
 public class MadGamesTycoon2ModTool {
     public static final OSType OS_TYPE;
     private static final Logger LOGGER = LoggerFactory.getLogger(MadGamesTycoon2ModTool.class);
-    public static final String VERSION = "4.9.0-dev";//Version numbers that include "dev" are not checked for updates / tool will notify if update is available
+    public static final String VERSION = "4.9.0-alpha1";//Version numbers that include "dev" are not checked for updates / tool will notify if update is available
     public static final String CURRENT_RELEASE_VERSION = "4.8.0";//When this version number has been detected as the newest release version the update available message is held back
 
     static {
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/AntiCheatManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/AntiCheatManager.java
index dd9d6e63..d662dedc 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/AntiCheatManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/AntiCheatManager.java
@@ -23,7 +23,7 @@ public class AntiCheatManager extends AbstractAdvancedContentManager {
 
     public static final AntiCheatManager INSTANCE = new AntiCheatManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private AntiCheatManager() {
         super("antiCheat", "anti_cheat", MGT2Paths.TEXT_DATA.getPath().resolve("AntiCheat.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/CopyProtectionManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/CopyProtectionManager.java
index 41e02828..eda2927e 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/CopyProtectionManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/CopyProtectionManager.java
@@ -23,7 +23,7 @@ public class CopyProtectionManager extends AbstractAdvancedContentManager {
 
     public static final CopyProtectionManager INSTANCE = new CopyProtectionManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private CopyProtectionManager() {
         super("copyProtect", "copy_protect", MGT2Paths.TEXT_DATA.getPath().resolve("CopyProtect.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/DevLegendsManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/DevLegendsManager.java
index 9abd8c52..c985f8da 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/DevLegendsManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/DevLegendsManager.java
@@ -20,7 +20,7 @@ public class DevLegendsManager extends AbstractSimpleContentManager {
 
     public static final DevLegendsManager INSTANCE = new DevLegendsManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private DevLegendsManager() {
         super("devLegend", "dev_legend", MGT2Paths.TEXT_DATA.getPath().resolve("DevLegends.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/EngineFeatureManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/EngineFeatureManager.java
index b677a1e9..cc40da54 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/EngineFeatureManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/EngineFeatureManager.java
@@ -25,7 +25,7 @@ public class EngineFeatureManager extends AbstractAdvancedContentManager {
 
     public static final EngineFeatureManager INSTANCE = new EngineFeatureManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private EngineFeatureManager() {
         super("engineFeature", "engine_feature", MGT2Paths.TEXT_DATA.getPath().resolve("EngineFeatures.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/GameplayFeatureManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/GameplayFeatureManager.java
index 2841c4d8..8f4d91b7 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/GameplayFeatureManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/GameplayFeatureManager.java
@@ -23,7 +23,7 @@ public class GameplayFeatureManager extends AbstractAdvancedContentManager imple
 
     public static final GameplayFeatureManager INSTANCE = new GameplayFeatureManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private GameplayFeatureManager() {
         super("gameplayFeature", "gameplay_feature", MGT2Paths.TEXT_DATA.getPath().resolve("GameplayFeatures.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/GenreManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/GenreManager.java
index 0b4544f6..203d9b9c 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/GenreManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/GenreManager.java
@@ -28,7 +28,7 @@ public class GenreManager extends AbstractAdvancedContentManager implements Depe
 
     public static final GenreManager INSTANCE = new GenreManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     public static final Path defaultGenreIcon = MGT2Paths.GENRE_ICONS.getPath().resolve("iconSkill.png");
 
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareFeatureManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareFeatureManager.java
index 70c8f062..85a40fcf 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareFeatureManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareFeatureManager.java
@@ -23,7 +23,7 @@ public class HardwareFeatureManager extends AbstractAdvancedContentManager {
 
     public static final HardwareFeatureManager INSTANCE = new HardwareFeatureManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private HardwareFeatureManager() {
         super("hardwareFeature", "hardware_feature", MGT2Paths.TEXT_DATA.getPath().resolve("HardwareFeatures.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareManager.java
index 25dac1ab..a727bd7f 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/HardwareManager.java
@@ -27,7 +27,7 @@ public class HardwareManager extends AbstractAdvancedContentManager implements D
 
     public static final HardwareManager INSTANCE = new HardwareManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private HardwareManager() {
         super("hardware", "hardware", MGT2Paths.TEXT_DATA.getPath().resolve("Hardware.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/LicenceManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/LicenceManager.java
index e92edb86..2e46c411 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/LicenceManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/LicenceManager.java
@@ -19,7 +19,7 @@ public class LicenceManager extends AbstractSimpleContentManager implements Depe
 
     public static final LicenceManager INSTANCE = new LicenceManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private LicenceManager() {
         super("licence", "licence", MGT2Paths.TEXT_DATA.getPath().resolve("Licence.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcEngineManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcEngineManager.java
index b5336356..c585e1d3 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcEngineManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcEngineManager.java
@@ -30,7 +30,7 @@ public class NpcEngineManager extends AbstractAdvancedContentManager implements
 
     public static final NpcEngineManager INSTANCE = new NpcEngineManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private NpcEngineManager() {
         super("npcEngine", "npc_engine", MGT2Paths.TEXT_DATA.getPath().resolve("NpcEngines.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcGameManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcGameManager.java
index 98026544..ff499327 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcGameManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcGameManager.java
@@ -24,7 +24,7 @@ public class NpcGameManager extends AbstractSimpleContentManager implements Depe
 
     public static final NpcGameManager INSTANCE = new NpcGameManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private NpcGameManager() {
         super("npcGames", "npc_game", MGT2Paths.TEXT_DATA.getPath().resolve("NpcGames.txt").toFile(), StandardCharsets.UTF_16LE);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcIpManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcIpManager.java
index 19fdd9cb..b58df92c 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcIpManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/NpcIpManager.java
@@ -19,7 +19,7 @@ public class NpcIpManager extends AbstractSimpleContentManager implements Depend
 
     public static final NpcIpManager INSTANCE = new NpcIpManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private NpcIpManager() {
         super("npcIp", "npc_ip", MGT2Paths.TEXT_DATA.getPath().resolve("NpcIPs.txt").toFile(), StandardCharsets.UTF_16LE);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/PlatformManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/PlatformManager.java
index ca2e7e55..5e34766f 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/PlatformManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/PlatformManager.java
@@ -36,7 +36,7 @@ public class PlatformManager extends AbstractAdvancedContentManager implements D
 
     public static final PlatformManager INSTANCE = new PlatformManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private PlatformManager() {
         super("platform", "platform", MGT2Paths.TEXT_DATA.getPath().resolve("Platforms.txt").toFile(), StandardCharsets.UTF_8);
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/PublisherManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/PublisherManager.java
index acab706b..a9ab3a09 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/PublisherManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/PublisherManager.java
@@ -38,7 +38,7 @@ public class PublisherManager extends AbstractAdvancedContentManager implements
 
     public static final PublisherManager INSTANCE = new PublisherManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     public static final Path defaultPublisherIcon = MGT2Paths.COMPANY_ICONS.getPath().resolve("87.png");
 
diff --git a/src/main/java/com/github/lmh01/mgt2mt/content/manager/ThemeManager.java b/src/main/java/com/github/lmh01/mgt2mt/content/manager/ThemeManager.java
index 6b4d779a..753c9e9b 100644
--- a/src/main/java/com/github/lmh01/mgt2mt/content/manager/ThemeManager.java
+++ b/src/main/java/com/github/lmh01/mgt2mt/content/manager/ThemeManager.java
@@ -33,7 +33,7 @@ public class ThemeManager extends AbstractSimpleContentManager implements Depend
 
     public static final ThemeManager INSTANCE = new ThemeManager();
 
-    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", MadGamesTycoon2ModTool.VERSION};
+    public static final String[] compatibleModToolVersions = new String[]{"4.0.0", "4.1.0", "4.2.0", "4.2.1", "4.2.2", "4.3.0", "4.3.1", "4.4.0", "4.5.0", "4.6.0", "4.7.0", "4.8.0", "4.9.0-alpha1", MadGamesTycoon2ModTool.VERSION};
 
     private ThemeManager() {
         super("theme", "theme", ModManagerPaths.MAIN.getPath().resolve("themes_2.txt").toFile(), StandardCharsets.UTF_16LE);