8000 Document session issue when upgrading from Symfony 4.x by ajgarlag · Pull Request #16326 · symfony/symfony-docs · GitHub
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Document session issue when upgrading from Symfony 4.x #16326

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Document session issue when upgrading from Symfony 4.x #16326

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Document session issue when upgrading from Symfony 4.x
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@ajgarlag
ajgarlag committed Dec 27, 2021
commit 8e982a1bd9aeae476aa82d2a3d7dba8c78743314
8 changes: 8 additions & 0 deletions setup/upgrade_major.rst
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Expand Up @@ -186,3 +186,11 @@ Next, use Composer to download new versions of the libraries:
In some rare situations, the next major version *may* contain backwards-compatibility
breaks. Make sure you read the ``UPGRADE-X.0.md`` (where X is the new major version)
included in the Symfony repository for any BC break that you need to be aware of.

.. caution::

Upgrading from Symfony 4.x to Symfony 5.x will terminate all active sessions.
If you need to keep previous sessions active after the upgrade, you can require
the `ajgl/sf4-to-sf5-role-unserialization`_ compoment in your ``composer.json``.

.. _`ajgl/sf4-to-sf5-role-unserialization`: https://packagist.org/packages/ajgl/sf4-to-sf5-role-unserialization
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