Multiple `app/etc/di.xml` overridding preferences

[lbajsarowicz]

Preconditions (*)

Magento 2.4-develop Magento OOTB should provide only 1 preference for each Interface in app/etc/di.xml as it's "base config"

Steps to reproduce (*)

Verify the contents of app/etc/di.xml

Expected result (*)

Only 1 preference for 1 Interface

Actual result (*)

https://github.com/magento/magento2/blob/960a51f7afa371e444842b953f0b5493d2255b13/app/etc/di.xml#L46 overridden by https://github.com/magento/magento2/blob/960a51f7afa371e444842b953f0b5493d2255b13/app/etc/di.xml#L116

Possible that there are other issues like that. We need to add some kind of validation for di.xml to avoid such situations in future (CC: @lenaorobei )

[m2-assistant[bot]]

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[magento-engcom-team]

:white_check_mark: Confirmed by @engcom-Alfa Thank you for verifying the issue. Based on the provided information internal tickets MC-40269 were created

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