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Commit d2326a4

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nicolas-grekasnicolas-grekas
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minor #41388 [Security] Add an upgrade note about the removal of Serializable (derrabus)
This PR was merged into the 5.2 branch. Discussion ---------- [Security] Add an upgrade note about the removal of Serializable | Q | A | ------------- | --- | Branch? | 5.2 | Bug fix? | no | New feature? | no | Deprecations? | no | Tickets | N/A | License | MIT | Doc PR | N/A Jumping from Symfony 5 on PHP 7.2/7.3 to Symfony 6 on PHP 8 directly will fry your sessions. I've added a note that PHP should be upgraded first. I believe that most apps will take that patch anyway, so this shouldn't be much of a footgun. 🤞🏻 Commits ------- 7657258 Add an upgrade note about the removal of Serializable
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‎UPGRADE-6.0.md

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@@ -158,6 +158,11 @@ Security
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in `PreAuthenticatedToken`, `RememberMeToken`, `SwitchUserToken`, `UsernamePasswordToken`,
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`DefaultAuthenticationSuccessHandler`.
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* Removed the `AbstractRememberMeServices::$providerKey` property in favor of `AbstractRememberMeServices::$firewallName`
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* Authentication tokens do not implement the deprecated `Serializable`
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interface anymore. The consequence is that tokens that were serialized (e.g.
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into the session) with PHP 7.3 or below cannot be unserialized anymore. It is
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recommended to roll out a Symfony 5 application with PHP 7.4 or later first
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before upgrading it to Symfony 6.
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TwigBundle
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