Checked another computer and Safari 14.0.1 also not working on another Mac running Mojave 10.14.6 and Safari 14.0.1. I get "Error TVAPP-00273" and the following diagnotics: Customer Service Diagnostics Build number 8 OS Mac OS 10.14.6 Browser Safari 14.0.1 Flash version 0 Status in home Entitlements transactions, tve-linear, tve-vod, est, cvod, cdvr, clinear Last fingerprint cloudtv_web_polymer_6.5.0_prod_1606743875606_14008 Stream provider primetime Video ID tvgrid/listing/2002123211301200109/detail/?channelId=8562755610550829104 Stream ID tag:xfinitytv.comcast.net,2013:channel-station:5201268031132378117:chNum:1013:callSign:WJZHD#stream:format:HLS Error code TVAPP-00273 Error description MSE ERRORS Error aux info http://ccr.linear-mcc-va-pil-red.xcr.comcast.net/WJZHD_HD_MCCdVA_14928_0_6291851012960469163.m3u8?format=redirect Video Provider 1013 WJZHD Video Source TVListingDetail Video Title Gayle King, Anthony Mason, Tony Dokoupil
... View more
Flash is and has been uninstalled. This is an old MacBook and, historically, Safari had handled full screen video adequately, Firefox is next-best (but not great), and Chrome is unusable. Would still like to know why these problems arise since Safari 14 came out and if there's a fix. I'd seen another post where someone at Comcast said the programmers were working on it but I guess it's not a priority.
... View more