- composer.json
- usni/library/bootstrap/ActiveForm.php
- usni/library/modules/install/business/InstallManager
- usni/library/config/common.php
- protected/console/config/moduleconfig.php
- protected/backend/web/BeforeActionBehavior.php
- protected/common/modules/catalog/modules/products/traits/DimensionTrait.php
- protected/common/modules/catalog/modules/products/traits/WeightTrait.php
- protected/common/modules/payment/business/BaseAdminPaymentProcessor.php
- If php-fpm is used than enable flushpackets. Refer to https://beamtic.com/php-output-buffering
If in php.ini the error reporting is set to E_ALL, there would be depreciation errors. So keep setting as E_ALL & ~E_DEPRECATED & ~E_STRICT in php.ini for the application to work properly.