Sony rolled out PlayStation 4 firmware update 8.03 and PlayStation 5 firmware update 20.02-02.30.00 today. Alongside the usual improvements, the last-gen console received a ?Disable Game Chat Audio? setting under Sound/Device, and the new console received a DualSense update and a number of fixes.
Official patch notes are as follows:

PB = PB || {};
PB.gptStandAlone = PB.gptStandAlone || {};
PB.gptAutoRefresh = PB.gptAutoRefresh || {'gptAds':[], 'gptStandAlone':[]};
admiralCookie = null;
if (typeof readAdmiralCookie === "function"){
admiralCookie = readAdmiralCookie();
}

googletag.cmd.push(function() {
var standAloneSizeMapping = googletag.sizeMapping().addSize([0, 0], []).addSize([750, 0], [[300, 250]]).addSize([980, 0], [[300, 250]]).build(); PB.gptStandAlone['ros_300x250_p_slot4_1607612657'] = googletag.defineSlot('/4403/cr/playstationlifestyle/ros', [[300, 250]], 'ros_300x250_p_slot4_1607612657') .defineSizeMapping(standAloneSizeMapping) .addService(googletag.pubads())
.setTargeting('pos', 'P').setTargeting('content_detail', '0').setTargeting('kw', 'in-article').setTargeting('coppa', '0').setTargeting('site', 'playstationlifestyle');
googletag.enableServices();
googletag.display('ros_300x250_p_slot4_1607612657');

if ((admiralCookie === null || admiralCookie['val'] === 'false') && (typeof(ezoicTestActive) === 'undefined')) {
...