See the original German news report concerning the IETF TLS discussion on making TLS 1.3 compatible with 'passive network monitoring' requirements e.g. asked for by banks etc:<p><a href="https://www.heise.de/newsticker/meldung/IETF-Streit-ueber-TLS-Ueberwachung-fuehrt-zum-Eklat-3777578.html" rel="nofollow">https://www.heise.de/newsticker/meldung/IETF-Streit-ueber-TL...</a>