(This list is updated regulary/if something is tested/fixed by me)
a) TYPO3 Pagetree: New pages must respect TCAdefaults.pages.hidden = 0 and other properties
https://forge.typo3.org/issues/87089 https://forge.typo3.org/issues/59383 If you create a new page within the pagetree, it's always disabled per default. it would be a real benefit if such settings get's respected