TYPO3 Core

- the userFunc arguments wasn't changed
- the 'userFunc' is not called (in 8.5.1 userFunc is called)

TCA/Overrides/pages.php:

<?php
$pagesFields = array(
    'title'       => array(
        'label'   => 'title',
        'exclude' => 1,
        'config'  => array(
            'type'    => 'check',
            'default' => 0
        ),
        'displayCond' => 'USER:Ur\UrTemplate\UserFunctions\PageTS\FieldVisibility->isVisible'
    ),
);

\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTCAcolumns('pages', $pagesFields);

\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addToAllTCAtypes(
    'pages',
    '--div--;TEST,title,'
);

Classes/UserFunctions/PageTS/FieldVisibility.php:

<?php
namespace Ur\UrTemplate\UserFunctions\PageTS;

class FieldVisibility
{
    // simple example, tests call of userFunc
    public function isVisible(array $conditionParameters)
    {
        return true;
    }
}

Patch set 2 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/51837