Office Scripts not loading in Excel for the web (personal account), works in desktop

I have the exact same issue. All trouble shooting tips I can use locally (e.g. new private browser, new worksheet, edge and chrom) give same error. Confirmed Microsoft 365 Insider account. There are exceptions in the console logs when it tries to load or run the script. This is very frustrating. I have a personal account. It has been (almost) reliably working, and it is broken now. Agree this started happening around 7 November.