Magento 2 – How to Upgrade from Version 2.2.X to 2.3.0

magento2.3.0

I have tried using bellow command but getting errors

  • Command 1:

composer require magento/product-community-edition 2.3.0 –no-update

  • Command 2:

composer update

Output:

Problem 1
    - Installation request for magento/product-community-edition 2.3.0 -> satisfiable by magento/product-community-edition[2.3.0].
    - magento/product-community-edition 2.3.0 requires magento/framework 102.0.0 -> satisfiable by magento/framework[102.0.0].
    - Conclusion: don't install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0-BETA2|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0-BETA3|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.0|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.1|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.2|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.3|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.4|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.5|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.6|install symfony/console v2.8.38
    - Conclusion: don't install symfony/console v4.1.7|install symfony/console v2.8.38

if anyone has an idea help me..!

Best Answer

I think you are skipping some steps. Make sure you are specifying additional packages required : 

composer require --dev phpunit/phpunit:~6.2.0 friendsofphp/php-cs-fixer:~2.10.1 lusitanian/oauth:~0.8.10 pdepend/pdepend:2.5.2 sebastian/phpcpd:~3.0.0 squizlabs/php_codesniffer:3.2.2 --no-update

and remove unused packages : 

composer remove --dev sjparkinson/static-review fabpot/php-cs-fixer --no-update

You are getting the error mainly because of the fabpot/php-cs-fixer

Also, make sure you read Magento docs

https://devdocs.magento.com/guides/v2.3/comp-mgr/cli/cli-upgrade.html

Hope this helps.

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