According to Elon Tesla may release FSD Beta 10.12 with several key improvements this week.
The last major beta, version 10.11 started
going out in early March, but most testers didn't receive it until v10.11.2, which
was released in April.
We hope this beta will go out a little quicker than the previous one, but it's certainly shaping up to be an
exciting release.
Updated Vehicle Models
FSD Beta 10.12 will contain new, more
detailed vehicle models, at least for its sedan model, but it may include updated models for all the
various vehicle types.
The current sedan visualization is fairly abstract. It doesn't have wheels or many details. The visualization is
modeled after Tesla's key fob for the Model S.
FSD Beta can recognize far more things than it can display on the screen. However, the visualizations are an
important way of how the vehicle communicates with us on what it sees and understands. So with Beta 10.12 Tesla
is including a more detailed sedan model that has wheels and doors.
Although FSD Beta has been able to detect open doors for a while now, the model will now visually show us if any
nearby cars have open doors by highlighting the door in yellow.
Improvements to Unprotected Left Turns
Unprotected left turns have been a key focus over several betas and we're apparently going to see further
improvements in 10.12.
Crossing over multiple lanes when turning left can be intimidating, even for some human drivers. Tesla has
been making continuous improvements to make unprotected left turns more efficient and human-like.
For example, the car will now sometimes start inching slowly, anticipating the last vehicle to pass so that it
can complete the turn promptly and be out of the way of any further traffic.
According to Elon, FSD Beta 10.12 will specifically improve "tricky" unprotected left turns.
Chuck Cook on YouTube does a fantastic job covering some of these left turns. Below you can see how the latest
FSD Beta does taking a left turn onto a primary street with a divider.
Heavy Traffic
In Beta 10.12, we're also expecting to see improvements in heavy traffic. I haven't seen too many issues with the
beta in traffic, except that sometimes the car has a tough time differentiating between a parked vehicle and a
vehicle that's just waiting.
I've encountered situations where the beta tries to go around a car that is stopped due to a traffic light or
traffic and the beta waits for just a few seconds before trying to go around the vehicle.
Hopefully, this is one of the areas that Elon is talking about when he refers to improvements in heavy traffic.
Single Stack
Elon also mentions that Tesla is making good progress on single stack. Single stack refers to a single set of
technologies that will be used for both highway and street driving.
FSD beta is great, but once you get on the highway, you're right back in the old production version.
FSD Beta is far from perfect, but driving on city streets is a completed task and the beta actually does quite
well trying to figure things out.
When we start looking at Autopilot on the highway and some of the issues it still has, like bouncing between lane
markings or a sudden attempt to center itself in a lane that has become wider, those issues are practically
non-existent in city driving.
So while single stack won't be included in beta 10.12, it's good to know that Tesla continues to make progress.
When Tesla is finally able to complete their single stack software we should see huge improvements in highway
Autopilot use.
Release Date
The last FSD beta started going out more than a month ago, so a lot of users are definitely itching for an
update. Elon said earlier this week that beta 10.12 is "probably" going to wide release this week.
The beta could be in QA testing now, but it unlikely that it has been passed on to employees yet as release notes
usually get leaked when that happens.
Hopefully, some of us will be greeted by that sweet notification this weekend, prompting us to install the latest
beta.
Update: Elon tweeted today, Friday, May 6th that there have been "many upgrades to core code, so taking longer to debug issues. Probably Wed/Thurs release." So it looks like we're still a week out from a public release of beta 10.12.
Based On New Build
Lately, FSD betas have been a little behind the times. The latest beta is 2022.4.5.21,
which is roughly two major versions behind. That means that FSD Beta testers still don't have seat heaters in
the launcher, Dog Mode in the Tesla app, browser improvements, vehicle preconditioning improvements and more.
Most non-FSD Teslas are now on a 2022.12 release and 2022.16 is expected shortly.
While it's unlikely that the beta 10.12 will be based on a brand new upcoming build like 2022.16, it's almost
certainly going to be based on 2022.12, which
will please a lot of testers.
It appears that Tesla is as cautious as ever with beta releases. Lately, it has taken several revisions of a beta
before Tesla releases it to everyone.
Tesla says they're now at 100k beta testers in the US and Canada, so they're right to be cautious, but it's not
easy waiting.
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Tesla has been quietly building something pretty unique on the streets of Hollywood—and we’ve been keeping a close eye on it. That’s right: the long-anticipated Tesla Hollywood Drive-In, Diner, and Supercharger is shaping up to be one of the most creative approaches to EV charging yet.
But this isn’t your average Supercharger site. It features a retro-futuristic, 24-hour diner and an outdoor movie theater, blending the charm of the 1980s with the tech-forward vibe of the 2020s.
Tesla hacker Greentheonly managed to spot some new evidence of changes within Tesla’s 2025.8.6 software build, which includes a new modal for “Charger Diner Controls”. While there isn’t anything to activate this new modal just yet, it is an indication of how Tesla intends to integrate the experience right into each and every Tesla.
The text in the modal reads: “Plug in, place your order, recharge” - which means that once you arrive and are plugged in, you’ll be able to place your order - and likely pay through Tesla’s payment system. It seems like this will all be done through either the Tesla app or the vehicle’s tocuh screen. No need to fumble with a separate app or pull out your wallet.
This is definitely a level of integration you just can’t have anywhere else - and just like any other Supercharger site, the Tesla Diner will appear as a suggested site for charging when you’re navigating or looking around the Hollywood area.
This is our best look yet at the two 45-foot LED screens at @Tesla's upcoming Hollywood diner and Supercharger.
We can also see the second Supercharger lot on the left with solar canopies. This will be one of the largest Supercharging spots in North America. pic.twitter.com/aWUe67M5vw
Those two absolutely gigantic 45-foot LED screens have now been turned on for the first time, meaning that Tesla is likely close to opening the Supercharger site. The screens were spotted displaying some test patterns, as well as some Tesla-themed content. It really brings the construction site to life - and it's the clearest sign that the Diner is well on its way to completion.
We’re hoping that this first Tesla Diner sees plenty of success - and that Tesla begins opening more of these types of facilities throughout North America, and eventually globally. Given Tesla’s penchant for unique Superchargers, we imagine this could truly be the case one day.
As Tesla continues to push the capabilities of its hardware as it prepares for autonomy with FSD Unsupervised, there has been a distinct divergence in features between HW4-equipped vehicles on FSD V13, and HW3-equipped vehicles on FSD V12.6.
There are definitely reasons for this, and Tesla hacker Greentheonly, over on X, went into great detail on some of the reasons why this divergence has continued and is likely to continue.
If you’re interested in some background, we recommend the following articles. Although they’re not necessary, you may enjoy reading them before diving right in if you enjoy this topic.
Back in the summer of 2024, we reported that Tesla’s HW4 had yet to reach its full potential, and that HW3 still had some compute to work with. However, FSD has undergone a rapid evolution - there are now fundamental differences driven by the hardware capabilities and sheer scale of the latest builds of FSD.
FSD V13’s Gargantuan Neural Networks
FSD V13 is a substantial leap for Tesla. It features substantially larger neural networks - the core brain that processes all the environmental data and makes decisions. Those networks are far larger in V13 than in V12, which results in a much smoother and human-like expereience.
Tesla’s FSD computers contain two nodes. According to Green’s analysis of FSD V13, Node B, which handles the actual end-to-end driving logic, tripled in size from 2.3 GB in V12 to a staggering 7.5 GB in V13. That’s a substantial increase, and one of the main reasons why HW3 can’t handle FSD V13. While Interestingly, Node A on HW4 remains similar in size to FSD V12, using up about 2.3 GB.
However, this massive size is also pushing the limits of HW4. While this isn’t necessarily a big problem immediately - at the end of the day, there is a limited amount of compute and ram available and model sizes will likely grow in the future. In fact, Tesla is planning to scale model sizes in the next FSD version and has already said they’ll need to optimize them, as context size is limited by on-board memory.
HW3 Limitations
Since HW3 can’t run the latest FSD models, where does this leave millions of Tesla vehicles equipped with the now-legacy FSD hardware? Are they hitting a dead end? Not exactly - Tesla has promised to replace HW3 computers with new units during the Q4 2024 Earnings Call, but only for those who have purchased FSD and only if Tesla is no longer able to update HW3 vehicles.
There’s no doubt Tesla hopes to achieve autonomy and then work backwards to make it compatible with HW3, but that’s unlikely to happen with the limited ram available on HW3.
Tesla’s AI team has continued to say that they’re still working on updating HW3 vehicles - but that they will be taking a backburner to updates for HW4 until the team can optimize the model efficiently enough to run on the smaller footprint. That means V12.6 isn’t just V13 “lite” - it is a distinctly different software branch tailored specifically for HW3’s capabilities.
Green's analysis showed that HW3 under V12.6 runs NNs totaling 1.2 GB on Node A and 3.1 GB on Node B, which is significantly smaller than the footprint of V13. Back in November, we discussed how Tesla is running a smaller and optimized FSD model on HW3, with the specific goal of achieving similar performance to V13. FSD V12.6 appears to be the current implementation of that smaller model strategy.
Green also found that of the total neural nets used for FSD, 135 are shared between the current V12.6 and FSD V13.2 releases, which is the result of Tesla’s AI team working to optimize and refine the V13 model for HW3. So some neural nets are shared between the two sets of hardware, while others are specific to HW3 or HW4.
AI4 in the Future
The fact that V13 is already stretching HW4’s limits makes us wonder about Tesla’s imminent release of AI5. Last year, Tesla mentioned that AI5 would be 18 months away - which is now about 8 months away, and potentially even sooner to help solve the autonomy problem.
At the same time, Tesla is looking to launch Unsupervised FSD in June in Austin, Texas, with presumably HW4, which would indicate that they’re confident in its capabilities.
Unless Tesla launches the Robotaxi network with AI5, we don’t believe AI5 will be a “must have” item. Undoubtedly, it will result in similar improvements to HW4 compared to HW3. However, the software needed to take advantage of the newer hardware could still be years away.
All eyes will be on Tesla’s Robotaxi network launch and the hardware required for it. For now, HW4 owners are in good hands with future updates are on the horizon, and we’re certainly excited for what’s next.
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