https://arstechnica.com/tech-policy/2020/03/netflix-and-youtube-cut-streaming-quality-in-europe-to-handle-pandemic/

Netflix and YouTube are both reducing video-streaming quality in Europe to reduce the stress on residential broadband networks caused by the coronavirus pandemic forcing people to stay home.

Netflix is reducing the bit rate on video streams, but not the resolution, for the next 30 days, the BBC reported. The BBC said that "movies will still be high-definition or ultra-high definition 4K" despite the bit-rate decrease, but other news sources suggest that resolution could be cut, too. It's not clear what the exact changes in bit rates are—we asked Netflix to clarify these points but haven't gotten an answer yet.