Managers and stakeholders often need a different level of information from the delivery team. They usually need the current outcome, business or user impact, significant risk, available options, recommendation, and decision deadline. Technical detail belongs in the main message only when it changes that decision.
Communicating upward also means managing expectations honestly. Do not promise certainty you do not have or wait until a deadline is already missed. State what is known, what is uncertain, what you are doing, and when the next reliable update will arrive. Bring problems with ownership and options—not hidden facts or unsupported optimism.