on the front burner

modern ongoing present prevailing

fad general in instant mod now ruling swinging

accepted accustomed afoot circulating common knowledge customary cutting-edge doing existent extant fashionable going around hot in circulation in progress in the mainstream in the news in use in vogue leading-edge popular present-day prevalent rampant regnant rife state-of-the-art topical trendy up-to-date widespread

antiquated old old-fashioned past uncommon uncontemporary