I have not run into this but I really have not done much with date/time at this point. I have run into decimal number formatting issues as well as wanted to format things differently in the cells. My solution has been to use javascript and regex to reformat it. Here is a script I am using to do something along these lines - it is just finding specific information and then adding line breaks between that information. I can adjust it to your specific needs later if you need help.
The issue becomes if you want to change table pages the formatting is lost on the table. See fix here. Table looses JavaScript on 2nd page? - #3 by ChTim
The final issue then is if you want to allow inline editing the formatting is lost on that row after an inline edit is submitted. I have not done that fix yet.
$('td.board-info > af-data-table-field > span').each(function(){ // Formats board info field
let info = $(this).text();
let boardOrder = /\d{5}-\d{1,2}|Stock\d{1,2}/.exec(info);
let sheetSize = /\d{1,2}\.\d{1,4}x\d{1,2}\.\d{1,4}/.exec(info); //.replace(/\.00{1,3}|\.[1-9]{1,2}(0{1,3})/g,'');
// sheetSize[0] = sheetSize[0].replace(/\.00{1,3}|\.[1-9]{1,2}(0{1,3})/g,'');
let boardInfo = /\d{2,3}[A-Z]{1,2}.*/.exec(info);
let cleanInfo = boardOrder[0] + "<br>" + sheetSize[0] + "<br>" + boardInfo[0];
$(this).html(cleanInfo);
});