Musk says Tesla is ready to release FSD 12.4 next week
Not a Tesla App
Less than two weeks since its last FSD update, Tesla is getting ready to release FSD v12.4, with CEO Elon Musk hinting at significant improvements. The current version, 12.3.6, introduced Autopark and High Fidelity Park Assist for vehicles equipped with ultrasonic sensors in the U.S. and Canada, along with minor fixes for FSD.
Just an hour ago, Musk shed some light on Tesla's next FSD update. Through his X account, Musk teased the imminent release of v12.4, stating, "Probably start rolling out 12.4 next week." Moreover, he provided insights into the development process and the features users can expect in the upcoming 12.4 version, as well as v12.5 and v12.6.
What to Expect in FSD v12.4
Musk says that FSD 12.4 has extensive retraining of AI models that particularly focuses on refining the comfort of passengers by addressing concerns around abrupt acceleration or braking. Musk previously commented on the next versions of FSD saying that FSD v12.4 and 12.5 would be major improvements, and while v12.4 may be a major step forward, it looks like its main focus will be on being more natural and smoother.
"Probably start rolling out 12.4 next week."
FSD v12.5 and v12.6 to Handle More Complex Scenarios
Looking ahead, Tesla is already laying the groundwork for future updates according to Musk. The CEO previously stated that Tesla is constantly working on FSD updates that are three to six months ahead of what’s in production, so they have a good idea of what the software will be able to handle in the future.
Today on X, Musk said that there's ongoing testing for FSD versions 12.5 and 12.6, which involves tackling complex scenarios. Musk says this includes navigating narrow, one-way roads and handling unexpected road closures, requiring the vehicle to reverse and find alternate routes.
Actually Smart Summon in v12.5?
Tesla’s Autopilot lead, Ashok Elluswamy, previously talked about how FSD would gain the ability to go in reverse when Tesla is ready to release Actually Smart Summon. If the ability to reverse is still tied to some of the abilities of Actually Smart Summon, then, it’s possible we may see Tesla’s better summon implementation in version 12.5 or 12.6.
Vehicles to be Able to Communicate with Fleet
Musk also gives us some insight into vehicle communication, saying vehicles will need to be able to communicate with the fleet so that you "don't get a whole bunch of Teslas stuck down a road."
Instead of vehicle-to-vehicle communication, Tesla will likely have vehicles report back to the "mothership," where Tesla can aggregate data and report it to nearby vehicles. This is similar to how vehicles report traffic today, instead of talking directly to each other.
Spending on AI
Tesla's commitment to advancing its AI capabilities is evident through its substantial investments. Musk recently emphasized the company's dedication to spending around $10 billion throughout 2024 on training and inference AI. Musk said that any company that isn’t spending billions on AI this year just won’t be able to compete.
Expansion of FSD
Tesla appears ready to start the expansion of FSD, and it looks like China may be up first. Musk's recent visit to Beijing to discuss a potential FSD rollout and data sharing shows that Tesla is ready and serious about FSD's expansion.
While FSD's rollout in China appears promising, Musk remains cautiously optimistic about expanding into other markets. He believes that FSD v12 is ready for supervised FSD in left-hand drive (LHD) countries, while right-hand drive (RHD) markets like the UK and Australia may require additional time.
Tesla recently launched software update 2025.8.3, which included a bunch of “minor updates.” Nestled away in the release notes are a couple of interesting features - including some major changes to the Energy App.
We’re not quite sure we’d call these minor updates, so let’s take a bit of an exploration of the revitalized Energy App.
The Energy App has received some new categorization features in the Consumption tab. You can once again limit the graph by distance. As part of the 2024 Holiday Update, Tesla redesigned the consumption tab and brought it to the new Model S and Model X for the first time. However, with the redesign, Tesla removed the ability to choose the distance shown in the graph, instead providing a static display of the last 200 miles (300km).
The first part of the improved Energy App is bringing back this distance filter. You can now choose between showing the last 10, 100, or 200 miles (15, 150, or 300 km). This differs from the previous available distances of 5, 15 and 30 miles, but brings back the ability for the driver to choose a distance that may be more applicable to how they’re driving.
We’d love for Tesla to introduce custom distances by pinching and zooming the graph or simply add the ability to choose “This Drive Only” to the list of available distances.
Reset Energy App History
@EV3_Model3 on X
Sadly, the “Instant Range” button that was available in the Energy App before is still not available, but Tesla introduced a new feature that may be even better. You can now clear your driving history so that the graph only reflects your current driving style.
This is a little hidden, but if you tap the little info icon at the top near your average Wh/mi, you’ll now be presented with a dialog that lets you clear your history.
This could be useful if you’ve just come from some hard driving on a track or off-road, where energy consumption could be exaggerated. It could also be useful if you just started towing or a different type of driving that is drastically different from your current driving.
Other Changes
In addition, it looks like future predictions of the Energy app now take into account your driving history and apply that in addition to expected vehicle consumption, weather, altitude, and the multitude of other factors that your Tesla constantly takes into account while calculating your expected range.
While these are smaller improvements to the Energy app, they added some important functionality, as it helps users better understand their vehicle consumption and display data that is more applicable to the current driving style.
This is a great example of Tesla listening to its customers and bringing back features they had previously been removed. Check out the video below by akide on the updated Energy app in update 2025.8.3.
Sandy Munro once again had the opportunity to chat (video below) with Lars Moravy, Tesla’s Vice President of Vehicle Engineering, as well as Franz Von Holzhausen, Tesla’s Chief of Vehicle Design. This time, rather than focusing on the improvements to the refreshed Model Y and all the new engineering behind it, the focus was on Tesla’s autonomous ambitions.
In this case, the Cybercab and Robovan were the key highlights, with a distinct focus on the Cybercab. With that all said, let’s dig into all the fun new stuff. You can check out the entire video at the end of the article.
Cybercab Unboxed Process
The Cybercab will be the first of Tesla’s vehicles to use their new unboxed assembly process, which builds vehicles in parallel sections, and then brings them together all at once for final assembly. Traditionally, vehicles are assembled from the ground up, and sometimes even disassembled for parts of production to take place.
This innovative method involves using a big rear and front casting, brought together by a structural battery pack on the floor. The door rings are hot-stamped and laser-welded to form the side shell of the Cybercab, resulting in a very rigid structure that can also absorb crash impacts due to its unique manufacturing.
Paint-Free Panels
We’ve already talked about the Cybercab’s unique paint-free panels, but we’ve never heard until now exactly how Tesla intends to manufacture them. Tesla will inject colored PU plastic onto the backside of another plastic part (formed from various processes) and then ultrasonically weld that entire piece to an inner part.
That essentially combines multiple parts into one smooth piece that is easy to repair - because all you have to do is remove the entire panel - it just comes off as the interior fasteners are removed. There is no subframe holding it together - instead, the subframe is part of the panel.
The only area of the vehicle that will have any paint will be the hot-stamped door rings - which will be painted to improve corrosion resistance to protect the steel.
Aerodynamics
Aerodynamically, the Cybercab boasts the largest aero-cover-to-wheel ratio of any Tesla vehicle. This updated aero cover improves efficiency, even with the Cybercab’s relatively large tires—chosen to reduce rolling resistance. Interestingly, the impact of unsprung weight on efficiency is minimal compared to the benefits of improved rolling resistance and aerodynamics.
Another key to the aerodynamics is the teardrop shape of the Cybercab itself. With its low profile and smooth shape, it is extremely aerodynamically efficient. While neither Sandy nor Lars delved into drag coefficients, we expect it will likely be more efficient than the Model 3’s already fantastic Cd of 0.219.
Range and Battery Pack
Tesla currently has prototypes undergoing real-world testing at Giga Texas to evaluate range and efficiency. The goal is to ensure the vehicle can operate throughout an entire day in the city before returning to charge.
Tesla is targeting a battery pack under 50kWh, delivering close to 300 miles of real-world range—an impressive efficiency of around 166Wh/mi, even outperforming the Model 3’s lowest at 181Wh/mi.
When Does It Arrive?
So, with all that new knowledge - when does the Cybercab arrive? Well - the prototypes for the June Robotaxi network deployment in Austin are getting prepared now - but Tesla expects to begin production and sales sometime in the first half of 2026.
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