diff --git a/build.gradle b/build.gradle
index 92baab2..d760564 100644
--- a/build.gradle
+++ b/build.gradle
@@ -68,12 +68,12 @@ run {
 dependencies {
     implementation('com.github.KaptainWutax:MathUtils:5531c4a87b0f1bb85d1dab2bdd18ce375400626a') { transitive = false }
     implementation('com.github.KaptainWutax:SeedUtils:b6a383113ce5d8d09a59e91b28ff064fb97c0709') { transitive = false }
-    implementation('com.github.KaptainWutax:MCUtils:11e3c70867968877233630797741f6cd47777e41') { transitive = false }
+    implementation('com.github.KaptainWutax:MCUtils:13009755237551c6148cdbda87e8d924c5bfc1ef') { transitive = false }
     implementation('com.github.KaptainWutax:NoiseUtils:288e1b60e0f427bead80f001d19565ad1adcbd73') { transitive = false }
 
     implementation('com.github.KaptainWutax:BiomeUtils:cbb3d433c617087e5a6598ccec3cc0d04bf24e5a') { transitive = false }
     implementation('com.github.KaptainWutax:TerrainUtils:322c2405600be7e87ded65f7bc6f2c4f042a5472') { transitive = false }
-    implementation('com.github.KaptainWutax:FeatureUtils:58bde18c79d282ec3bbc955cb76dd5d4b9ad9136') { transitive = false }
+    implementation('com.github.KaptainWutax:FeatureUtils:ff97b44038b0410cef83cd813b4569ef4a5e4d03') { transitive = false }
 
     testImplementation('com.github.KaptainWutax:ChunkRandomReversal:6b76fb5cf2cd438de56e6a46cea2a83985831834') {transitive = false}
     implementation('com.seedfinding:latticg:1.05')
@@ -83,6 +83,7 @@ dependencies {
     implementation('org.swinglabs.swingx:swingx-core:1.6.5-1')
     implementation('org.pushing-pixels:radiance-trident:3.5.1')
     implementation('one.util:streamex:0.7.3')
+    implementation('com.vdurmont:semver4j:3.1.0')
     // JOML
     implementation "org.joml:joml:1.10.1"
     // LWJGL core
diff --git a/gradle.properties b/gradle.properties
index 5fd3486..77e5ccd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Done to increase the memory available to gradle.
 org.gradle.jvmargs=-Xmx4G
 
-version=1.0.18
+version=1.0.19
 
 lwjglVersion=3.2.3
diff --git a/src/main/java/kaptainwutax/minemap/MineMap.java b/src/main/java/kaptainwutax/minemap/MineMap.java
index 76e5513..396c857 100644
--- a/src/main/java/kaptainwutax/minemap/MineMap.java
+++ b/src/main/java/kaptainwutax/minemap/MineMap.java
@@ -1,6 +1,7 @@
 package kaptainwutax.minemap;
 
 import com.formdev.flatlaf.*;
+import com.vdurmont.semver4j.Semver;
 import kaptainwutax.featureutils.misc.SlimeChunk;
 import kaptainwutax.featureutils.structure.Mineshaft;
 import kaptainwutax.mcutils.util.data.Pair;
@@ -40,6 +41,7 @@
 
 public class MineMap extends JFrame {
     public static final String version = "@VERSION@"; //using SemVer
+    public static final Semver semver = new Semver(version);
     public final static String ROOT_DIR = System.getProperty("user.home") + File.separatorChar + ".minemap";
     public final static String LOG_DIR = ROOT_DIR + File.separatorChar + "logs";
     public final static String SETTINGS_DIR = ROOT_DIR + File.separatorChar + "configs";
diff --git a/src/main/java/kaptainwutax/minemap/config/UserProfileConfig.java b/src/main/java/kaptainwutax/minemap/config/UserProfileConfig.java
index f7b1d69..9f09850 100644
--- a/src/main/java/kaptainwutax/minemap/config/UserProfileConfig.java
+++ b/src/main/java/kaptainwutax/minemap/config/UserProfileConfig.java
@@ -1,6 +1,7 @@
 package kaptainwutax.minemap.config;
 
 import com.google.gson.annotations.Expose;
+import com.vdurmont.semver4j.Semver;
 import kaptainwutax.featureutils.misc.SlimeChunk;
 import kaptainwutax.featureutils.structure.Mineshaft;
 import kaptainwutax.featureutils.structure.NetherFossil;
@@ -16,6 +17,7 @@
 import java.io.IOException;
 import java.util.*;
 import java.util.concurrent.LinkedBlockingQueue;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
 public class UserProfileConfig extends Config {
@@ -189,8 +191,8 @@ protected void resetConfig() {
     @Override
     public Config readConfig() {
         UserProfileConfig config = (UserProfileConfig) super.readConfig();
-        config.RECENT_SEEDS = resizeQueue(config.RECENT_SEEDS, MAX_SIZE);
-        config.SAVED_SEEDS = resizeQueue(config.SAVED_SEEDS, MAX_SIZE);
+        config.RECENT_SEEDS = resizeQueue(config.RECENT_SEEDS, MAX_SIZE, e -> e);
+        config.SAVED_SEEDS = resizeQueue(config.SAVED_SEEDS, MAX_SIZE, e -> updateSavedSeeds(this.MINEMAP_VERSION, e));
         return config;
     }
 
@@ -200,6 +202,7 @@ public void maintainConfig() {
         this.MC_VERSION = this.MC_VERSION == null ? MCVersion.values()[0] : this.MC_VERSION;
         this.USER_SETTINGS = this.USER_SETTINGS == null ? new UserSettings() : this.USER_SETTINGS;
         this.OLD_MINEMAP_VERSION = this.OLD_MINEMAP_VERSION == null ? this.MINEMAP_VERSION : this.OLD_MINEMAP_VERSION;
+        String previousVersion = this.MINEMAP_VERSION;
         this.MINEMAP_VERSION = MineMap.version;
         //this.ASSET_VERSION=this.ASSET_VERSION; // allowed since I use null as an invalid version
         for (Dimension dimension : Dimension.values()) {
@@ -221,17 +224,31 @@ public void maintainConfig() {
             MapSettings settings = this.DEFAULT_MAP_SETTINGS.get(dimension.getName());
             settings.maintainConfig(dimension, this.MC_VERSION);
         }
-        this.RECENT_SEEDS = resizeQueue(this.RECENT_SEEDS, MAX_SIZE);
-        this.SAVED_SEEDS = resizeQueue(this.SAVED_SEEDS, MAX_SIZE);
+        this.RECENT_SEEDS = resizeQueue(this.RECENT_SEEDS, MAX_SIZE, e -> e);
+        this.SAVED_SEEDS = resizeQueue(this.SAVED_SEEDS, MAX_SIZE, e -> updateSavedSeeds(previousVersion, e));
+    }
+
+    private String updateSavedSeeds(String previousVersion, String e) {
+        if (previousVersion==null || new Semver(previousVersion).isGreaterThan("1.0.18")) return e;
+        String[] split = e.split("::");
+        if (split.length == 3) {
+            if (split[2].equals("-1")) {
+                split[2] = "1";
+            } else if (split[2].equals("1")) {
+                split[2] = "-1";
+            }
+        }
+        return String.join("::", split);
     }
 
     @SuppressWarnings("unchecked")
-    private static <T> LinkedBlockingQueue<T> resizeQueue(LinkedBlockingQueue<T> queue, int size) {
+    private static <T> LinkedBlockingQueue<T> resizeQueue(LinkedBlockingQueue<T> queue, int size, Function<T, T> function) {
         Object[] recentSeeds = queue.toArray();
         queue.clear();
         queue = new LinkedBlockingQueue<>(MAX_SIZE);
         for (int i = 0; i < Math.min(size, recentSeeds.length); i++) {
-            if (!queue.offer((T) recentSeeds[i])) Logger.LOGGER.severe("The Queue is not sized correctly " + i + " " + MAX_SIZE + " " + queue.size() + " " + Arrays.toString(queue.toArray()));
+            if (!queue.offer(function.apply((T) recentSeeds[i])))
+                Logger.LOGGER.severe("The Queue is not sized correctly " + i + " " + MAX_SIZE + " " + queue.size() + " " + Arrays.toString(queue.toArray()));
         }
         return queue;
     }