Breaking: #103910 - Change logout handling in EXT:felogin 

See forge#103910

Description 

The logout handling has been adjusted to correctly dispatch the PSR-14 event \TYPO3\CMS\FrontendLogin\Event\LogoutConfirmedEvent when a logout redirect is configured. The actionUri variable has been removed, and the logout template has been updated to reflect this change, including correct use of the noredirect functionality.

Impact 

The PSR-14 event LogoutConfirmedEvent is now correctly dispatched when a logout redirect is configured. Additionally, the noredirect parameter is now evaluated during logout.

Affected installations 

TYPO3 installations using EXT:felogin with a custom Fluid template for the logout form.

Migration 

The {actionUri} variable is no longer available and must be removed from custom templates.

Before:

Fluid template adjustment (before) 
<!-- Before -->
<f:form action="login" actionUri="{actionUri}" target="_top" fieldNamePrefix="">
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After:

Fluid template adjustment (after) 
<f:form action="login" target="_top" fieldNamePrefix="">
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The evaluation of the {noRedirect} variable must be added to the template:

Before:

Fluid template adjustment for noRedirect (before) 
<div class="felogin-hidden">
    <f:form.hidden name="logintype" value="logout" />
</div>
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After:

Fluid template adjustment for noRedirect (after) 
<div class="felogin-hidden">
    <f:form.hidden name="logintype" value="logout" />
    <f:if condition="{noRedirect} != ''">
        <f:form.hidden name="noredirect" value="1" />
    </f:if>
</div>
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