Changelog:

• Upgrade the xray core version to v1.8.3
• Fix bug in supporting reality
• Add response-duration feature for testing connection (Ping)
• Add config hint to the Server window
• Fix the app crashing problem when the user removes the Configs folder
• Remove the Experimental label from TUN in notify handler

Thanks:

• @mortada-jafar for submitting Reality not wokring issue.
• @alidxdydz for suggesting xray core update.