This topic discusses the forthcoming SpaceX fourth flight test of the integrated Starship (#29) and Super Heavy booster (#11), currently scheduled for launch no earlier than 2024-06-06 12:00 UTC. The planned flight, if successful, will launch the craft on a near-orbital trajectory, with the first stage booster performing a boost back burn and soft water landing (braked by a landing burn) in the Gulf of Mexico, and the upper stage Starship accelerating to a velocity slightly less than orbital speed, causing it to re-enter the Earth’s atmosphere over the Indian Ocean. The reentry is slightly modified from that planned for the third test:
The fourth flight test turns our focus from achieving orbit to demonstrating the ability to return and reuse Starship and Super Heavy. The primary objectives will be executing a landing burn and soft splashdown in the Gulf of Mexico with the Super Heavy booster, and achieving a controlled entry of Starship.
To accomplish this, several software and hardware upgrades have been made to increase overall reliability and address lessons learned from Flight 3. The SpaceX team will also implement operational changes, including the jettison of the Super Heavy’s hot-stage following boostback to reduce booster mass for the final phase of flight.
Flight 4 will fly a similar trajectory as the previous flight test, with Starship targeted to splashdown in the Indian Ocean. This flight path does not require a deorbit burn for reentry, maximizing public safety while still providing the opportunity to meet our primary objective of a controlled Starship reentry.
The fourth flight of Starship will aim to bring us closer to the rapidly reusable future on the horizon. We’re continuing to rapidly develop Starship, putting flight hardware in a flight environment to learn as quickly as possible as we build a fully reusable transportation system designed to carry crew and cargo to Earth orbit, the Moon, Mars and beyond.
per the SpaceX Upcoming Launch page for the mission which will be updated with schedule information as the launch approaches.
Here is a preview from Everyday Astronaut.