The phrase "unwelcome news" refers to information or updates that someone doesn't want to hear or receive. It brings negative or unwanted information. Full definition
This will come as unwelcome news for a lot of Wii U fans, especially after such a disappointing Nintendo conference at E3. (apgnation.com)
This, incidentally, must come as unwelcome news to the federal government itself, which has consistently and, with good reason, confidently asserted that it can legally impose a carbon price on any recalcitrant province. (macleans.ca)
(Or, as some sensitive snowflakes out there prefer we'd put it, «requiring customer identification for crypto trading accounts» - we never imagined anyone in this space would want to sugarcoat unwelcome news with euphemisms, yet here we are. (coindesk.com)