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SpaceX Starship rocket gets new Raptor engine for Starhopper-style hop test debut
SpaceX has decided to install a different Raptor engine on its fourth full-scale Starship prototype in the buildup to the next-generation rocket’s inaugural flight test.
Starship SN4 recently became the first prototype to pass a cryogenic proof test, followed by two successful Raptor engine static fire tests and an even more successful pressure test on May 9th. Set to occur as early as later this month, that string of successes means that Starship SN4 is now all but guaranteed to become the first prototype to take flight. According to photos and information from CEO Elon Musk and FCC filings, that first hop – regardless of the ship – will be powered by a single off-center Raptor engine and likely follow in the footsteps of Starhopper, targeting a max hop height of 150m (~500 ft).
This time around, though, Starship SN4 will be around twice as tall as Starhopper, making for quite a spectacle regardless of the outcome. Currently, SpaceX has already received FCC authorization for Starship communications and is mainly just waiting on FAA approval for the short hop test – a license to launch that Musk suggested could arrive more than a “few weeks” after April 26th. Before Starship is technically ready for that milestone, however, one more test must be completed.
SpaceX has already successfully performed two static fire tests with a Raptor engine (likely SN18) installed on Starship SN4 on May 5th and 7th but the company has decided to replace that particular engine for unknown reasons. Raptor SN18 was removed from SN4 the morning after its (presumably) successful second static fire test, a move that is believed to have been made to avoid losing an engine in the event that a more ambitious cryogenic pressure test destroyed Starship.
As it turned out, that caution was unnecessary and Starship SN4 passed said pressure test with flying colors, reaching a planned maximum pressure of 7.5 bar (110 psi) – technically enough to qualify the rocket’s structure for (uncrewed) orbital launches.
For whatever reason, though, SpaceX has decided to replace Raptor SN18 with Raptor SN20, another of three engines currently on site at SpaceX’s South Texas rocket build and test facilities. That engine swap means that another Starship/Raptor static fire test is now needed to ensure that the new engine has been installed correctly and that both it and Starship are functioning as intended. As of now, SpaceX has scheduled that third static fire as early as Monday, May 11th, with a test window open from 9am to 9pm CDT (UTC-5).
If that static fire and include wet dress rehearsal (WDR) is successful, Starship will technically be cleared for flight. The only obvious missing piece is an attitude control system (ACS). Starhopper, for example, used cold nitrogen gas thrusters quite literally taken off of flight-proven Falcon boosters. It remains to be seen if SpaceX will take the same approach with Starship SN4 or if a different kind of ACS thruster is already installed on the rocket and hidden in plain sight. For now, it looks like we won’t have to wait long at all to find out.
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Tesla begins Holiday Update rollout with some surprise features
On Monday, just a few days after Tesla first announced the Holiday Update, people started reporting that it was being deployed to owners.
Tesla has started the rollout of the 2025 Holiday Update, as several owners reported it had arrived in their cars via a software update.
Tesla’s Holiday Update is rolling out as Software Version 2025.44.25.1, and includes several new features. We did an extensive breakdown of what was included in another article, but we’ll list the new additions below:
- Grok with Navigation Commands (Beta) – Grok will now add and edit destinations.
- Tesla Photobooth – Take pictures inside your car using the cabin-facing camera
- Dog Mode Live Activity – Check on your four-legged friend on your phone through periodic snapshots taken of the cabin
- Dashcam Viewer Update – Includes new metrics, like steering wheel angle, speed, and more
- Santa Mode – New graphics, trees, and a lock chime
- Light Show Update – Addition of Jingle Rush light show
- Custom Wraps and License Plates – Colorizer now allows you to customize your vehicle even further, with custom patterns, license plates, and tint
- Navigation Improvements – Easier layout and setup
- Supercharger Site Map – Starting at 18 pilot locations, a 3D view of the Supercharger you’re visiting will be available
- Automatic Carpool Lane Routing – Navigation will utilize carpool lanes if enabled
- Phone Left Behind Chime – Your car will now tell you if you left a phone inside
- Charge Limit Per Location – Set a charge limit for each location
- ISS Docking Simulator – New game
- Additional Improvements – Turn off wireless charging pad, Spotify improvements, Rainbow Rave Cave, Lock Sound TRON addition
On Monday, just a few days after Tesla first announced the Holiday Update, people started reporting that it was being deployed to owners.
We noticed a new Tesla software update 2025.44.25.1 on a Model Y AWD LR (2022) in Florida, United States. View the rollout of this update here: https://t.co/rPqISQaNkM
— Teslascope (@teslascope) December 8, 2025
It seems the release is a bit of an apology to a particular group, as it has only made its way to Hardware 3 vehicles, particularly the ones using the AMD Ryzen chip.
Tesla has excluded FSD-purchased and subscribed vehicles that are utilizing Hardware 3, so it seems there is a strategy to this limited rollout.
Two Surprise Additions
Tesla has added two additional features with the Holiday Update, which include a new Storage Space for Dashcam feature that shows how much space you have used and remaining on your USB drive.
Additionally, Tesla gamified Supercharging with a new “Charging Passport” feature, which we reported on earlier today.
News
Tesla announces major milestone at Gigafactory Shanghai
First deliveries started in December 2019, with the first units being given to employees. By the end of 2020, the plant was building cars at a run rate of around 150,000 vehicles annually.
Tesla has announced a major milestone at its Chinese manufacturing facility, Gigafactory Shanghai, confirming on Monday that it had built its four millionth vehicle.
Tesla Gigafactory Shanghai first started building cars back in October 2019 with Model 3 assembly, just ten months after the company broke ground on the plant’s 86-hectare piece of land.
First deliveries started in December 2019, with the first units being given to employees. By the end of 2020, the plant was building cars at a run rate of around 150,000 vehicles annually. Production continued to ramp up, and by September 2023, less than three years after it started building Tesla’s EVs, it had built its two millionth vehicle.
Fast forward to December 2025, and Tesla has confirmed that four million cars have rolled off of production lines at the plant, a major milestone in the six short years it has been active:
Produced our 4 millionth vehicle at Gigafactory Shanghai🎉
Thanks to all our owners and supporters❤️ pic.twitter.com/DayVXUr220— Tesla Asia (@Tesla_Asia) December 8, 2025
The capacity at Giga Shanghai is exceeding 950,000 vehicles per year, and this year, the company has delivered 675,000 cars through the first three quarters. It is also the only plant to manufacture the Model Y L, a longer wheel-based configuration of the all-electric crossover that is exclusive to the Chinese market.
Gigafactory Shanghai’s four million cars have not all stayed within the domestic market, either. For a considerable period, the factory was exporting a significant portion of its monthly production to Europe, helping Gigafactory Berlin supplement some Model Y volume and all of its Model 3 deliveries. This is due to the Berlin plant’s exclusive production plans for the Model 3.
The site is one of the most crucial in the company’s global plans, and Gigafactory Shanghai’s incredible pace, which has led to four million production units in just about six years. It’s fair to say that it won’t be long until we’re seeing Tesla celebrate the plant’s five millionth vehicle produced, which should happen sometime late next year or in early 2027, based on its current manufacturing pace.
The company also builds the Megapack on the property in an adjacent Megafactory.
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Tesla gamifies Supercharging with new ‘Charging Passport’
It will also include things like badges for special charging spots, among other metrics that will show all of the different places people have traveled to plug in for range.
Tesla is gamifying its Supercharging experience by offering a new “Charging Passport,” hoping to add a new layer to the ownership experience.
While it is not part of the Holiday Update, it is rolling out around the same time and offers a handful of cool new features.
Tesla’s Charging Passport will be available within the smartphone app and will give a yearly summary of your charging experience, helping encapsulate your travel for that year.
It will also include things like badges for special charging spots, among other metrics that will show all of the different places people have traveled to plug in for range.
Tesla has just introduced “Charging Passport,” a new yearly summary of your charging.
• Charging badges: Iconic Charging badge (for visiting places like the Tesla Diner, Oasis Supercharger, etc), Explorer badge, green saver badge, etc.
• Total unique Superchargers visited
•… pic.twitter.com/c1DHTWXpj7— Sawyer Merritt (@SawyerMerritt) December 8, 2025
Tesla will include the following metrics within the new Charging Passport option within the Tesla app:
- Charging badges: Iconic charging badges for visiting places like the Tesla Diner, Oasis Supercharger, etc., Explorer Badge, and more
- Total Unique Superchargers Visited
- Total Charging Sessions
- Total Miles Added during Charging Sessions
- Top Charging Day
- Longest Trip
- Favorite Charging Locations
This will give people a unique way to see their travels throughout the year, and although it is not necessarily something that is needed or adds any genuine value, it is something that many owners will like to look back on. After all, things like Spotify Wrapped and Apple Music Replay have been a great way for people to see what music they listened to throughout the year.
This is essentially Tesla’s version of that.
With a handful of unique Superchargers already active, Tesla is also building some new ones, like a UFO-inspired location in New Mexico, near Roswell.
Tesla is building a new UFO-inspired Supercharger in the heart of Alien country
Tesla begins Holiday Update rollout with some surprise features
Tesla announces major milestone at Gigafactory Shanghai
