TYPO3 Core

The extension configuration in the install tool is rendered next to each other. See:

Furthermore it's not possible to open a single configuration tab. On click following JavaScript error is logged:

bootstrap.js?bust=1608472127:24 Uncaught TypeError: Illegal invocation
    at Object.find (bootstrap.js?bust=1608472127:24)
    at t.i._getParent (bootstrap.js?bust=1608472127:24)
    at new t (bootstrap.js?bust=1608472127:24)
    at Function.t.collapseInterface (bootstrap.js?bust=1608472127:24)
    at bootstrap.js?bust=1608472127:24
    at Array.forEach (<anonymous>)
    at HTMLAnchorElement.<anonymous> (bootstrap.js?bust=1608472127:24)
    at HTMLDocument.i (bootstrap.js?bust=1608472127:24)