Update README.md

We will upgrad JS Server SocketIO to 3.1.

README.md

@@ -164,6 +164,13 @@ We will release to live account coming weekend at 01/24/2020.
 Please refer to the above release and make sure your code is working on demo and get prepared.
 Please contact us at [email protected] if you have any questions. 
 
+#### 03/24/2022:
+We will upgrad JS Server SocketIO to 3.1. 
+On client side, we recommend socketio==5.0.x with engineio==4.x.x down to 3.14.2. 
+socketio==5.1+.x does not work with any version of engineio.
+We will release to demo in 1-2 weeks. 
+Please contact us at [email protected] if you have any questions. 
+
 ## Note:
 o	This is for personal use and abides by our [EULA](https://www.fxcm.com/uk/forms/eula/)