diff --git a/src/base-interfaces.ts b/src/base-interfaces.ts
index 1dd0124298..bf9eacd505 100644
--- a/src/base-interfaces.ts
+++ b/src/base-interfaces.ts
@@ -391,4 +391,8 @@ export interface IPlainDataOptions {
 }
 export interface ILoadFromJSONOptions {
   validatePropertyValues?: boolean;
+}
+export interface ISaveToJSONOptions {
+  storeDefaults?: boolean;
+  version?: string;
 }
\ No newline at end of file
diff --git a/src/base.ts b/src/base.ts
index b3ce6027c4..436a5da2cc 100644
--- a/src/base.ts
+++ b/src/base.ts
@@ -9,7 +9,7 @@ import {
 } from "./jsonobject";
 import { settings } from "./settings";
 import { ItemValue } from "./itemvalue";
-import { IElement, IFindElement, IProgressInfo, ISurvey, ILoadFromJSONOptions } from "./base-interfaces";
+import { IElement, IFindElement, IProgressInfo, ISurvey, ILoadFromJSONOptions, ISaveToJSONOptions } from "./base-interfaces";
 import { ExpressionRunner } from "./conditions";
 import { surveyLocalization } from "./surveyStrings";
 import { ConsoleWarnings } from "./console-warnings";
@@ -402,8 +402,8 @@ export class Base {
    * Returns a JSON object that corresponds to the current SurveyJS object.
    * @see fromJSON
    */
-  public toJSON(): any {
-    return new JsonObject().toJsonObject(this);
+  public toJSON(options?: ISaveToJSONOptions): any {
+    return new JsonObject().toJsonObject(this, options);
   }
   /**
    * Assigns a new configuration to the current SurveyJS object. This configuration is taken from a passed JSON object.
diff --git a/src/helpers.ts b/src/helpers.ts
index dc6f86aa39..cf0b6e0c9f 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -398,6 +398,25 @@ export class Helpers {
     }
     return val;
   }
+  public static compareVerions(ver1: string, ver2: string): number {
+    if(!ver1 && !ver2) return 0;
+    const ver1Ar = ver1.split(".");
+    const ver2Ar = ver2.split(".");
+    const len1 = ver1Ar.length;
+    const len2 = ver2Ar.length;
+    for(let i = 0; i < len1 && i < len2; i ++) {
+      const str1 = ver1Ar[i];
+      const str2 = ver2Ar[i];
+      if(str1.length === str2.length) {
+        if(str1 !== str2) {
+          return str1 < str2 ? -1 : 1;
+        }
+      } else {
+        return str1.length < str2.length ? -1 : 1;
+      }
+    }
+    return len1 === len2 ? 0 : (len1 < len2 ? -1 : 1);
+  }
 }
 if (!(<any>String.prototype)["format"]) {
   (<any>String.prototype)["format"] = function() {
diff --git a/src/jsonobject.ts b/src/jsonobject.ts
index 4e73a9d563..292e506047 100644
--- a/src/jsonobject.ts
+++ b/src/jsonobject.ts
@@ -1,7 +1,7 @@
 import { surveyLocalization } from "./surveyStrings";
 import { Base, ComputedUpdater } from "./base";
 import { Helpers, HashTable } from "./helpers";
-import { ILoadFromJSONOptions } from "./base-interfaces";
+import { ILoadFromJSONOptions, ISaveToJSONOptions } from "./base-interfaces";
 
 export interface IPropertyDecoratorOptions<T = any> {
   defaultValue?: T;
@@ -202,6 +202,7 @@ export class JsonObjectProperty implements IObject {
     "className",
     "alternativeName",
     "layout",
+    "version",
     "classNamePart",
     "baseClassName",
     "defaultValue",
@@ -263,6 +264,7 @@ export class JsonObjectProperty implements IObject {
   public minValue: any;
   private dataListValue: Array<string>;
   public layout: string;
+  public version: string;
   public onSerializeValue: (obj: any) => any;
   public onGetValue: (obj: any) => any;
   public onSettingValue: (obj: any, value: any) => any;
@@ -455,6 +457,18 @@ export class JsonObjectProperty implements IObject {
   public set visible(val: boolean) {
     this.visibleValue = val;
   }
+  public isAvailableInVersion(ver: string): boolean {
+    if(!!this.alternativeName) return true;
+    return this.isAvailableInVersionCore(ver);
+  }
+  public getSerializedName(ver: string): string {
+    if(!this.alternativeName) return this.name;
+    return this.isAvailableInVersionCore(ver) ? this.name : this.alternativeName;
+  }
+  private isAvailableInVersionCore(ver: string): boolean {
+    if(!ver || !this.version) return true;
+    return Helpers.compareVerions(this.version, ver) <= 0;
+  }
   public get isLocalizable(): boolean {
     return this.isLocalizableValue != null ? this.isLocalizableValue : false;
   }
@@ -914,6 +928,9 @@ export class JsonMetadataClass {
       if (propInfo.layout) {
         prop.layout = propInfo.layout;
       }
+      if (propInfo.version) {
+        prop.version = propInfo.version;
+      }
       if (propInfo.dependsOn) {
         this.addDependsOnProperties(prop, propInfo.dependsOn);
       }
@@ -1566,8 +1583,8 @@ export class JsonObject {
   public errors = new Array<JsonError>();
   public lightSerializing: boolean = false;
   public options: ILoadFromJSONOptions;
-  public toJsonObject(obj: any, storeDefaults = false): any {
-    return this.toJsonObjectCore(obj, null, storeDefaults);
+  public toJsonObject(obj: any, options?: ISaveToJSONOptions | boolean): any {
+    return this.toJsonObjectCore(obj, null, options);
   }
   public toObject(jsonObj: any, obj: any, options?: ILoadFromJSONOptions): void {
     this.toObjectCore(jsonObj, obj, options);
@@ -1616,7 +1633,7 @@ export class JsonObject {
   public toJsonObjectCore(
     obj: any,
     property: JsonObjectProperty,
-    storeDefaults = false
+    options?: ISaveToJSONOptions | boolean
   ): any {
     if (!obj || !obj.getType) return obj;
     if (typeof obj.getData === "function") return obj.getData();
@@ -1626,17 +1643,24 @@ export class JsonObject {
         obj.getType()
       );
     }
+    const storeDefaults = options === true;
+    if(!options || options === true) {
+      options = { };
+    }
+    if(storeDefaults) {
+      options.storeDefaults = storeDefaults;
+    }
     this.propertiesToJson(
       obj,
       Serializer.getProperties(obj.getType()),
       result,
-      storeDefaults
+      options
     );
     this.propertiesToJson(
       obj,
       this.getDynamicProperties(obj),
       result,
-      storeDefaults
+      options
     );
     return result;
   }
@@ -1663,40 +1687,35 @@ export class JsonObject {
     obj: any,
     properties: Array<JsonObjectProperty>,
     json: any,
-    storeDefaults = false
+    options: ISaveToJSONOptions
   ) {
     for (var i: number = 0; i < properties.length; i++) {
-      this.valueToJson(obj, json, properties[i], storeDefaults);
+      this.valueToJson(obj, json, properties[i], options);
     }
   }
-  public valueToJson(
-    obj: any,
-    result: any,
-    property: JsonObjectProperty,
-    storeDefaults = false
-  ): void {
-    if (
-      property.isSerializable === false ||
-      (property.isLightSerializable === false && this.lightSerializing)
-    )
-      return;
-    var value = property.getSerializableValue(obj);
-    if (!storeDefaults && property.isDefaultValueByObj(obj, value)) return;
+  public valueToJson(obj: any, result: any, prop: JsonObjectProperty, options?: ISaveToJSONOptions): void {
+    if(!options) options = {};
+    if (prop.isSerializable === false || (prop.isLightSerializable === false && this.lightSerializing)) return;
+    if(options.version && !prop.isAvailableInVersion(options.version)) return;
+    var value = prop.getSerializableValue(obj);
+    if (!options.storeDefaults && prop.isDefaultValueByObj(obj, value)) return;
     if (this.isValueArray(value)) {
       var arrValue = [];
       for (var i = 0; i < value.length; i++) {
-        arrValue.push(this.toJsonObjectCore(value[i], property, storeDefaults));
+        arrValue.push(this.toJsonObjectCore(value[i], prop, options));
       }
       value = arrValue.length > 0 ? arrValue : null;
     } else {
-      value = this.toJsonObjectCore(value, property, storeDefaults);
+      value = this.toJsonObjectCore(value, prop, options);
     }
+    if(value === undefined || value === null) return;
+    const name = prop.getSerializedName(options.version);
     var hasValue =
       typeof obj["getPropertyValue"] === "function" &&
-      obj["getPropertyValue"](property.name, null) !== null;
-    if ((storeDefaults && hasValue) || !property.isDefaultValueByObj(obj, value)) {
-      if (!Serializer.onSerializingProperty || !Serializer.onSerializingProperty(obj, property, value, result)) {
-        result[property.name] = this.removePosOnValueToJson(property, value);
+      obj["getPropertyValue"](name, null) !== null;
+    if ((options.storeDefaults && hasValue) || !prop.isDefaultValueByObj(obj, value)) {
+      if (!Serializer.onSerializingProperty || !Serializer.onSerializingProperty(obj, prop, value, result)) {
+        result[name] = this.removePosOnValueToJson(prop, value);
       }
     }
   }
diff --git a/tests/helperstests.ts b/tests/helperstests.ts
index 8c8d458d80..9b8239fce9 100644
--- a/tests/helperstests.ts
+++ b/tests/helperstests.ts
@@ -527,4 +527,17 @@ QUnit.test("base.equals", function(assert) {
   assert.equal(Helpers.isTwoValueEquals(q1, q3), true, "#2");
   assert.equal(Helpers.isTwoValueEquals(q1, q4), false, "#3");
   assert.equal(Helpers.isTwoValueEquals(q1, q5), false, "#4");
-});
\ No newline at end of file
+});
+QUnit.test("compareVersions", function(assert) {
+  assert.equal(Helpers.compareVerions("", ""), 0, "#1");
+  assert.equal(Helpers.compareVerions("1", ""), 1, "#2");
+  assert.equal(Helpers.compareVerions("", "1"), -1, "#3");
+  assert.equal(Helpers.compareVerions("1.2.3", "1.2.3"), 0, "#4");
+  assert.equal(Helpers.compareVerions("1.201.31", "1.201.31"), 0, "#5");
+  assert.equal(Helpers.compareVerions("1.201.31", "1.90.31"), 1, "#6");
+  assert.equal(Helpers.compareVerions("1.90.31", "1.201.31"), -1, "#7");
+  assert.equal(Helpers.compareVerions("1", "1.2.3"), -1, "#8");
+  assert.equal(Helpers.compareVerions("1.2.3", "1"), 1, "#9");
+  assert.equal(Helpers.compareVerions("1.2", "1.2.3"), -1, "#10");
+  assert.equal(Helpers.compareVerions("1.2.3", "1.2"), 1, "#11");
+});
diff --git a/tests/jsonobjecttests.ts b/tests/jsonobjecttests.ts
index 4b0eb875df..7759434b05 100644
--- a/tests/jsonobjecttests.ts
+++ b/tests/jsonobjecttests.ts
@@ -1846,8 +1846,10 @@ QUnit.test(
     assert.equal(
       json["readOnly"],
       false,
-      "default value for readOnly proeprty has been serialzied successfully"
+      "default value for readOnly property has been serialzied successfully"
     );
+    const jsonKeys = Object.keys(json);
+    assert.equal(jsonKeys.indexOf("validators"), -1, "no validators");
 
     q2.readOnly = true;
     new JsonObject().toObject(json, q2);
@@ -3148,3 +3150,44 @@ QUnit.test("Check existing pos", function (assert) {
   assert.deepEqual(json, { name: "question1", testProperty: { someProperty: "bbb" } }, "no pos in json");
   Serializer.removeProperty("question", "testProperty");
 });
+QUnit.test("Versions in property", function (assert) {
+  const prop = Serializer.addProperty("question", { name: "testProperty", version: "1.9.127" });
+  assert.equal(prop.version, "1.9.127", "version is set correclty");
+  assert.equal(prop.isAvailableInVersion("1.9.5"), false, "#1");
+  assert.equal(prop.isAvailableInVersion("1.9.200"), true, "#2");
+  assert.equal(prop.isAvailableInVersion("2"), true, "#3");
+  assert.equal(prop.isAvailableInVersion("1"), false, "#4");
+  assert.equal(prop.isAvailableInVersion("1.9.127"), true, "#5");
+  assert.equal(prop.isAvailableInVersion("1.9.126"), false, "#6");
+  assert.equal(prop.isAvailableInVersion("1.9.128"), true, "#7");
+  assert.equal(prop.isAvailableInVersion(""), true, "#8");
+  Serializer.removeProperty("question", "testProperty");
+});
+QUnit.test("Versions in new property serialization", function (assert) {
+  Serializer.addProperty("question", { name: "testProperty", version: "1.9.127" });
+  const question = new QuestionTextModel("q1");
+  question.testProperty = "abc";
+  assert.deepEqual(question.toJSON(), { name: "q1", testProperty: "abc" }, "#1");
+  assert.deepEqual(question.toJSON({ version: "1.9.127" }), { name: "q1", testProperty: "abc" }, "#2");
+  assert.deepEqual(question.toJSON({ version: "1.9.126" }), { name: "q1" }, "#3");
+  Serializer.removeProperty("question", "testProperty");
+});
+QUnit.test("Versions & alternative name", function (assert) {
+  const prop = Serializer.addProperty("question", { name: "testProperty", version: "1.9.127", alternativeName: "testProp" });
+
+  assert.equal(prop.isAvailableInVersion("1.9.5"), true, "isAvailableInVersion: #1");
+  assert.equal(prop.isAvailableInVersion("1.9.200"), true, "isAvailableInVersion: #2");
+  assert.equal(prop.isAvailableInVersion(""), true, "isAvailableInVersion: #3");
+  assert.equal(prop.getSerializedName("1.9.5"), "testProp", "getSerializedName: #1");
+  assert.equal(prop.getSerializedName("1.9.200"), "testProperty", "getSerializedName: #2");
+  assert.equal(prop.getSerializedName(""), "testProperty", "getSerializedName: #3");
+
+  const question = new QuestionTextModel("q1");
+  question.testProperty = "abc";
+  assert.deepEqual(question.toJSON(), { name: "q1", testProperty: "abc" }, "#1");
+  assert.deepEqual(question.toJSON({ version: "1.9.127" }), { name: "q1", testProperty: "abc" }, "#2");
+  assert.deepEqual(question.toJSON({ version: "1.9.128" }), { name: "q1", testProperty: "abc" }, "#3");
+  assert.deepEqual(question.toJSON({ version: "1.9.126" }), { name: "q1", testProp: "abc" }, "#4");
+  assert.deepEqual(question.toJSON({ version: "1" }), { name: "q1", testProp: "abc" }, "#5");
+  Serializer.removeProperty("question", "testProperty");
+});