TYPO3 Core

Currently supported attributes:¶

accesskey, class, cols, dir, disabled, id, lang, name, placeholder, readonly, rows, style, tabindex, title

New attributes:¶

Universal attributes:¶

accesskey, class, contenteditable, contextmenu, dir, draggable, dropzone, hidden, id, lang, spellcheck, style, tabindex, title, translate

Element attributes:¶

autofocus, cols, disabled, inputmode, maxlength, minlength, name, placeholder, readonly, required, rows, selectionDirection, selectionEnd, selectionStart, wrap

The wizard shows only a few attributes by default.
To see all the attributes for the elements, you have to add the following configuration to your PageTS:

mod.wizards.form.elements.textarea.accordions.attributes.showProperties = accesskey, autofocus, class, contenteditable, contextmenu, cols, dir, disabled, draggable, dropzone, hidden, id, inputmode, lang, maxlength, minlength, name, placeholder, readonly, required, rows, selectionDirection, selectionEnd, selectionStart, spellcheck, style, tabindex, title, translate, wrap