Issue #2324211 by Wim Leers: Fixed Multiple requests to /quickedit/attachments when only one should happen.
Issue #2088365 by Cottser, CharuAg, bradklaver, machostache, cs_shadow, visabhishek, sriharsha.uppuluri, grisendo, undertext, naveenvalecha | nod_: Fixed Wrong name for datetime.html.twig should be time.html.twig.