It seems like entering a world that plays a livestream immediately (in this case - Tunnel Space) freezes the client with this error in the log:
2021.10.09 21:47:58 Log - TS: video player failed to load with error InvalidURL
2021.10.09 21:48:00 Log - Unexpected timestamp values detected. This can occur in H.264 videos not encoded with the baseline profile. Timestamps will be skewed to correct the playback for https://r6---sn-pivhx-n8vd.googlevideo.com/videoplayback?expire=1633826874&ei=2uNhYcWjFoe2yQWq9KrADA&ip=176.106.251.31&id=o-AGwrvAOKavmlpV7-7U_lh__eSEgd4WtYTYA1TqmU9tR_&itag=18&source=youtube&requiressl=yes&mh=EO&mm=31%2C29&mn=sn-pivhx-n8vd%2Csn-axq7sn7s&ms=au%2Crdu&mv=m&mvi=6&pl=20&initcwndbps=1472500&vprv=1&mime=video%2Fmp4&ns=Aj5EXNOBGM9Z_8mw0WWTAI0G&cnr=14&ratebypass=yes&dur=55.426&lmt=1631710314783198&mt=1633804862&fvip=6&fexp=24001373%2C24007246&c=WEB&txp=6210224&n=d1JFtkU-PSHX3v7A7MR&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cns%2Ccnr%2Cratebypass%2Cdur%2Clmt&sig=AOq0QJ8wRgIhAIIiThuF2aKh-vCLk2bBFKBsWtXOnIg8PZvQKAcWuv1tAiEA5xUo4SBJcwwhyEsicWRbuWT0Pwp_3gIJNZqbJDokRfo%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRQIhAKSQulaPZYS5Sq4_uYfgETiEensEhxgxDTKMQC9A9XGqAiArmC0sE-K_iM0X8mW8w8IgpiOu_nvCaArGQ8zPbe798g%3D%3D