diff --git a/src/main/java/org/quiltmc/launchermeta/version/v1/Arguments.java b/src/main/java/org/quiltmc/launchermeta/version/v1/Arguments.java
index f7d15ef..ecc5853 100644
--- a/src/main/java/org/quiltmc/launchermeta/version/v1/Arguments.java
+++ b/src/main/java/org/quiltmc/launchermeta/version/v1/Arguments.java
@@ -20,11 +20,15 @@
 import java.util.List;
 import java.util.Objects;
 
+import com.google.gson.JsonArray;
 import com.google.gson.JsonDeserializationContext;
 import com.google.gson.JsonDeserializer;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
 import com.google.gson.reflect.TypeToken;
 
 public class Arguments {
@@ -95,5 +99,32 @@ public Argument deserialize(JsonElement json, Type typeOfT, JsonDeserializationC
                 return new Argument(value, rules);
             }
         }
+
+        public static class Serializer implements JsonSerializer<Argument> {
+            @Override
+            public JsonElement serialize(Argument argument, Type type, JsonSerializationContext context) {
+                if (argument.value.size() == 1 && argument.rules.isEmpty()) {
+                    return new JsonPrimitive(argument.value.get(0));
+                }
+
+                JsonObject json = new JsonObject();
+
+                if (argument.value.size() == 1) {
+                    json.add("value", new JsonPrimitive(argument.value.get(0)));
+                } else {
+                    JsonArray array = new JsonArray(argument.value.size());
+                    argument.value.forEach(array::add);
+                    json.add("value", array);
+                }
+
+                if (!argument.rules.isEmpty()) {
+                    JsonArray array = new JsonArray(argument.rules.size());
+                    argument.rules.stream().map(rule -> context.serialize(rule, new TypeToken<Rule>(){}.getType())).forEach(array::add);
+                    json.add("rules", array);
+                }
+
+                return json;
+            }
+        }
     }
 }
diff --git a/src/main/java/org/quiltmc/launchermeta/version/v1/Rule.java b/src/main/java/org/quiltmc/launchermeta/version/v1/Rule.java
index f6851b8..66a5c6e 100644
--- a/src/main/java/org/quiltmc/launchermeta/version/v1/Rule.java
+++ b/src/main/java/org/quiltmc/launchermeta/version/v1/Rule.java
@@ -98,9 +98,29 @@ public static class Features {
         @Nullable
         private Boolean hasCustomResolution;
 
-        public Features(@Nullable Boolean isDemoUser, @Nullable Boolean hasCustomResolution) {
+        @SerializedName("has_quick_plays_support")
+        @Nullable
+        private Boolean hasQuickPlaysSupport;
+
+        @SerializedName("is_quick_play_singleplayer")
+        @Nullable
+        private Boolean isQuickPlaySinglePlayer;
+
+        @SerializedName("is_quick_play_multiplayer")
+        @Nullable
+        private Boolean isQuickPlayMultiPlayer;
+
+        @SerializedName("is_quick_play_realms")
+        @Nullable
+        private Boolean isQuickPlayRealms;
+
+        public Features(@Nullable Boolean isDemoUser, @Nullable Boolean hasCustomResolution, @Nullable Boolean hasQuickPlaysSupport, @Nullable Boolean isQuickPlaySinglePlayer, @Nullable Boolean isQuickPlayMultiPlayer, @Nullable Boolean isQuickPlayRealms) {
             this.isDemoUser = isDemoUser;
             this.hasCustomResolution = hasCustomResolution;
+            this.hasQuickPlaysSupport = hasQuickPlaysSupport;
+            this.isQuickPlaySinglePlayer = isQuickPlaySinglePlayer;
+            this.isQuickPlayMultiPlayer = isQuickPlayMultiPlayer;
+            this.isQuickPlayRealms = isQuickPlayRealms;
         }
 
         public Optional<Boolean> getDemoUser() {
@@ -111,6 +131,22 @@ public Optional<Boolean> getHasCustomResolution() {
             return Optional.ofNullable(hasCustomResolution);
         }
 
+        public Optional<Boolean> getHasQuickPlaysSupport() {
+            return Optional.ofNullable(hasQuickPlaysSupport);
+        }
+
+        public Optional<Boolean> getIsQuickPlaySinglePlayer() {
+            return Optional.ofNullable(isQuickPlaySinglePlayer);
+        }
+
+        public Optional<Boolean> getIsQuickPlayMultiPlayer() {
+            return Optional.ofNullable(isQuickPlayMultiPlayer);
+        }
+
+        public Optional<Boolean> getIsQuickPlayRealms() {
+            return Optional.ofNullable(isQuickPlayRealms);
+        }
+
         @Override
         public boolean equals(Object o) {
             if (this == o) return true;
diff --git a/src/main/java/org/quiltmc/launchermeta/version/v1/Version.java b/src/main/java/org/quiltmc/launchermeta/version/v1/Version.java
index c93d6d1..b977e3a 100644
--- a/src/main/java/org/quiltmc/launchermeta/version/v1/Version.java
+++ b/src/main/java/org/quiltmc/launchermeta/version/v1/Version.java
@@ -28,6 +28,7 @@
 public class Version {
     public static final Gson GSON = new GsonBuilder()
             .registerTypeAdapter(Arguments.Argument.class, new Arguments.Argument.Parser())
+            .registerTypeAdapter(Arguments.Argument.class, new Arguments.Argument.Serializer())
             .create();
 
     @Nullable
diff --git a/src/test/java/org/quiltmc/launchermeta/version/v1/VersionTest.java b/src/test/java/org/quiltmc/launchermeta/version/v1/VersionTest.java
index d4a0e1b..daecbe3 100644
--- a/src/test/java/org/quiltmc/launchermeta/version/v1/VersionTest.java
+++ b/src/test/java/org/quiltmc/launchermeta/version/v1/VersionTest.java
@@ -18,6 +18,8 @@
 import java.io.IOException;
 
 import com.google.gson.JsonElement;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.quiltmc.launchermeta.TestUtil;
 import org.quiltmc.launchermeta.version_manifest.VersionManifest;
@@ -25,17 +27,24 @@
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 public class VersionTest {
-    private static final String VERSION_URL = "https://launchermeta.mojang.com/v1/packages/f2affa3247f2471d3334b199d1915ce582914464/21w42a.json";
-    private static final String MANIFEST_URL = "https://launchermeta.mojang.com/mc/game/version_manifest.json";
+    private static final String VERSION_URL = "https://piston-meta.mojang.com/v1/packages/3ecc58bbbc2b680be6742747089cbbf3272526f9/1.20.6-rc1.json";
+    private static final String MANIFEST_URL = "https://launchermeta.mojang.com/mc/game/version_manifest_v2.json";
 
     @Test
-    public void testParseFullJson() throws IOException {
+    public void testParseDoesNotThrow() throws IOException {
         JsonElement json = TestUtil.getJsonFromURL(VERSION_URL);
         assertDoesNotThrow(() -> {
             Version version = Version.fromJson(json);
         });
     }
 
+    @Disabled("Manual verification passes with 1.20.6-rc1, but the order of elements is different")
+    @Test
+    public void testParseFullJson() throws IOException {
+        JsonElement json = TestUtil.getJsonFromURL(VERSION_URL);
+        Assertions.assertEquals(json, Version.GSON.toJsonTree(Version.fromJson(json)));
+    }
+
     @Test
     public void assertNoMethodReturnsAreNull() throws IOException {
         VersionManifest.fromJson(TestUtil.getJsonFromURL(MANIFEST_URL))
@@ -52,4 +61,21 @@ public void assertNoMethodReturnsAreNull() throws IOException {
                 })
                 .forEach(TestUtil.checkNoMethodsReturnNull(Version.class));
     }
+
+    @Disabled("Manual verification passes with 1.20.6-rc1, but the order of elements is different")
+    @Test
+    public void assertCreatesSameJson() throws IOException {
+        VersionManifest.fromJson(TestUtil.getJsonFromURL(MANIFEST_URL))
+                .getVersions()
+                .parallelStream()
+                .forEach(version -> {
+                    JsonElement json = null;
+                    try {
+                        json = TestUtil.getJsonFromURL(version.getUrl());
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                    Assertions.assertEquals(Version.GSON.toJsonTree(Version.fromJson(json)), json);
+                });
+    }
 }
\ No newline at end of file