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Xdebug 3 & PhpStorm 2020.2.4

I get this error when using Xdebug version 3 with PhpStorm version 2020.2.4 :

Connection was not established. 
Cannot start debugger session with 'Xdebug 3.0.0' Validate installation

JavaScript
​x
 
Connection was not established. Cannot start debugger session with 'Xdebug 3.0.0' Validate installation​

php.ini Config:

xdebug.mode=develop
xdebug.start_with_request=yes
xdebug.client_port=9003

JavaScript
 
xdebug.mode=developxdebug.start_with_request=yesxdebug.client_port=9003​

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Answer

Xdebug 3 is fully supported from 2020.3 version only.

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