New FSD Beta 10.12 visualizations: new car models, open doors and turn signals

By Nuno Cristovao
New car models used in FSD Beta 10.12 visualization
New car models used in FSD Beta 10.12 visualization
mariapazz000/Twitter

The first signs of Tesla's FSD Beta 10.12 finally surfaced yesterday as Tesla employees started receiving the internal beta.

The internal beta initially had a version of 2022.12.3.10, but it looks like Tesla has aleady issued an update with version 2022.12.3.15 (FSD Beta 10.12.1).

It's not clear yet whether this will be the exact version that will be rolled out to public testers or if additional updates will be made.

If Tesla finds any major issues, they'll want to fix them before rolling out the update to external testers.

New Car Models

New car models
New car models
WholeMarsBlog/Twitter

FSD Beta 10.12 introduces new vehicle models for almost every vehicle type.

Some of the vehicles have been completely redesigned and are more detailed and realistic looking than the previous models.

For example, a sedan now has wheels, windows and a glass roof, instead of the previous simplistic look that resembled a Model S keyfob.

New Brake Lights

Although brakes lights were already displayed as of beta 9.0, Tesla is now displaying the third brake light as well, which has been required in the US since 1986.

Open Doors

FSD Beta 10.12 will now display open doors
FSD Beta 10.12 will now display open doors
WholeMarsBlog/Twitter

FSD Betas have been able to detect and stop or go around vehicles with open doors for a while now, but Tesla will now show open doors in the visualization.

When a surrounding vehicle's door is open, the 3D model will also show the open door and highlight the door in orange.

Turn Signals

FSD Beta now displays turn signals
FSD Beta now displays turn signals
BLKMDL3/Twitter

Elon said back in the summer of 2021 that Tesla will detect and respond to vehicle turn signals, hand gestures and more in the future.

With this release, FSD Beta now detects and visualizes turn signals in addition to brake lights.

The car will reportedly react to turn signals it has detected as well, which should help understand the intentions of other vehicles.

Two Steps Forward, One Step Back

The last major FSD Beta release was version 10.11, which was first seen more than two months ago.

Tesla has been working on beta 10.12 for a while now and the amount of changes included in this update are huge according to Elon.

Musk said that due to the amount of changes in this beta, we can expect two steps forward and one step back.

This is a big one! Expect some two steps forward, one step back situations. These will be great ironed in point releases, hence ~10.12.2 or 10.13 for wider beta release.

- Elon Musk

There will be some issues, and in certain situations FSD may have regressed.

Tesla plans to fix any issues that arise with minor revisions to this release. Expect to see additional FSD Beta 10.12 releases such as 10.12.1 and 10.12.2 in the coming weeks.

Current Beta Testers

As we have seen with other recent betas, it may be a while until all current beta testers receive this latest beta.

With beta 10.11, we saw two revisions before the majority of testers received the beta. We may see a similar situation with this update, given the amount of changes that were made.

If you're a current beta tester, you may be waiting a couple weeks before getting this updated FSD Beta.

Additional Testers

There haven't been any signs of Tesla adding additional beta testers in the US since late 2021.

Elon has previously said that he hopes that Tesla will be able to add more testers who have opted in to the beta and have a Safety Score of 95 or greater in later revisions of beta 10.12.

Update 2022.12.3.15

FSD 10.12.1
Installed on 0% of fleet
0 Installs today
Last updated: Jan 13, 3:28 pm UTC

Interpretation of Beta 10.12 Release Notes

We have the technical releases notes for FSD Beta 10.12, but Reddit user asimo3089 did a great job at interpreting the release notes to give us a better understanding of what Tesla has improved in this update.

1. Your car better understands what is and is not drivable space. This makes it more confident in easy situations, and more capable in tricky situations. Your car can also now use medians for difficult left turns, and accelerates quicker to complete turns.

2. Your car now has a better idea of objects blocking camera views. Creeping should be less scary.

3. Improved path predictions of where other others on the road will be. This gives your car better decision making for turns.

4. Sounds like: Your car will drive itself to safety much more smoothly if your car finds itself in a place it shouldn't be. Better problem solving?

5. Your car should better see the lanes on the road, and how many of them there are, thanks to new data. This gives better turn confidence and path planning during a turn.

6. Your car is now trained on 180,000 new clips related to what lanes look like.

7. Your car is less likely to panic brake in a yellow light scenario, and has a better understanding of lane guidance when going through an intersection.

8. Road edges and road lines are now more accurate.

9. Your car now better understands visibility from the cameras, thanks to 30,000 new video clips of training data.

10. Speeds of motorcycles, pedestrians and cyclists is now more accurate. Plus, your car now better predicts which direction a pedestrian is walking.

11. Your car is now less likely to confuse a parked car and an idling car thanks to 41,000 new clips of training data. This should result in fewer "phantom brakes" or silly lane changes.

12. Your car now better understands objects that are far away from you.

13. Your car will plan a better path around vehicles with car doors open.

14. Objects that are not pedestrians, cyclists, etc, should have more accurate speed predictions.

15. When changing into an adjacent lane, your car will look further ahead at vehicle speeds. If somebody up ahead is braking, your car will handle it more comfortably.

16. Your car used to only predict acceleration (Not speed) for objects moving adjacently. Now your car will predict acceleration of all moving objects including objects accelerating across your path.

17. New 3D models for vehicles on your screen. You'll also be shown vehicles with their doors open.

18. Tesla retired a few old systems and gained 2 frames per second, per camera, resulting in better performance while self driving.

FSD Beta 10.12 is currently only available to employees, but we may see a wider release in the next couple days that includes public testers.

However, it could be several weeks before all current testers receive this update.

More details will surely be uncovered about this beta in the next few days. Stay tuned for more.

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Tesla LFP Batteries Can Now Be Warmed up While Supercharging Using Innovative Feature

By Karan Singh
Not a Tesla App

Tesla’s been on a roll with Supercharger improvements lately, from the 325kW charging update for the Cybertruck, to 500kW with V4 Superchargers coming next year. While those improvements have been limited to the Cybertruck, Tesla didn’t put all their focus on their new flagship vehicle, but looked at their more affordable vehicles as well.

LFP Battery Heating

Tesla’s Superchargers can now heat LFP Batteries - those that are in the Model 3 and Model Y Rear Wheel Drive variants. This applies to Long Range and Standard Range models, which saw a limited run. This is another update included as part of the 2024 Tesla Holiday Update - which really arrived with a lot of unannounced new features and capabilities.

The change is pretty interesting - Superchargers of the V3 and V4 variety can now pre-heat batteries for Model 3 and Model Y vehicles equipped with LFP battery packs. That means those vehicles are able to get back on the road faster when it's extremely cold. Of course, Tesla still advises you to precondition before you arrive, saving drivers time and money.

Max de Zegher, Tesla’s Director of Charging, also commented on the new feature. Essentially, Tesla is inducing an AC (alternating) ripple current through the battery to warm it up. Keep in mind that Superchargers are DC charging. That means it is possible to get a cold-soaked LFP vehicle on the road 4x faster than before, assuming that it didn’t precondition at all and that it is in the worst-case scenario (below 0ºF).

In essence, Tesla is using some engineering magic to turn the circuits inside the LFP battery into an electric heater - and powering that heater through the Supercharger. An AC ripple current is a small oscillation in the DC charging current that generates heat through electrical resistance, warming up the battery. Those ripples are a byproduct of converting AC to DC and back - so Tesla is using the onboard charger to induce those ripples to warm up the battery. Definitely an innovative technique that’s really only possible with the versatility of the NACS connector.

We’re hoping Tesla can implement this across their full lineup of vehicles, but we’ll have to wait and see how it is trialed across LFP vehicles first and if it is even possible on vehicles with 2170 or 4680 battery packs.

Tesla Included FSD V12.6.1 and V13.2.4 in the Same Update: What Caused This and What It Means

By Karan Singh
Not a Tesla App

Tesla launched two FSD updates simultaneously on Saturday night, and what’s most interesting is that they arrived on the same software version. We’ll dig into that a little later, but for now, there’s good news for everyone. For Hardware 3 owners, FSD V12.6.1 is launching to all vehicles, including the Model 3 and Model Y. For AI4 owners, FSD V13.2.4 is launching, starting with the Cybertruck.

FSD V13.2.4

A new V13 build is now rolling out to the Cybertruck and is expected to arrive for the rest of the AI4 fleet soon. However, this build seems to be focused on bug fixes. There are no changes to the release notes for the Cybertruck with this release, and it’s unlikely to feature any changes when it arrives on other vehicles.

While this update focuses on bug fixes, Tesla’s already working on bigger features for FSD V13.3, which we have already confirmed to include improvements to highway following and speed control.

FSD V12.6.1

FSD V12.6.1 builds upon V12.6, which is the latest FSD version for HW3 vehicles. While FSD V12.6 was only released for the redesigned Model S and Model X with HW3, FSD V12.6.1 is adding support for the Model 3 and Model Y.

While this is only a bug-fix release for users coming from FSD V12.6, it includes massive improvements for anyone coming from an older FSD version. Two of the biggest changes are the new end-to-end highway stack that now utilizes FSD V12 for highway driving and a redesigned controller that allows FSD to drive “V13” smooth.

It also adds speed profiles, earlier lane changes, and more. You can read our in-depth look at all the changes in FSD V12.6.

Same Update, Multiple FSD Builds

What’s interesting about this software version is that it “includes" two FSD updates, V12.6.1 for HW3 and V13.2.4 for HW4 vehicles. While this is interesting, it’s less special when you understand what’s happening under the hood.

The vehicle’s firmware and Autopilot firmware are actually completely separate. While a vehicle downloading a firmware update may look like a singular process, it’s actually performing several functions during this period. First, it downloads the vehicle’s firmware. Upon unpacking the update, it’s instructed which Autopilot/FSD firmware should be downloaded.

While the FSD firmware is separate, the vehicle can’t download any FSD update. The FSD version is hard-coded in the vehicle’s firmware that was just downloaded. This helps Tesla keep the infotainment and Autopilot firmware tightly coupled, leading to fewer issues.

What we’re seeing here is that HW3 vehicles are being told to download one FSD version, while HW4 vehicles are being told to download a different version.

While this is the first time Tesla has had two FSD versions tied to the same vehicle software version, the process hasn’t actually changed, and what we’re seeing won’t lead to faster FSD updates or the ability to download FSD separately. What we’re seeing is the direct result of the divergence of HW3 and HW4.

While HW3/4 remained basically on the same FSD version until recently, it is now necessary to deploy different versions for the two platforms. We expect this to be the norm going forward, where HW3 will be on a much different version of FSD than HW4. While each update may not include two different FSD versions going forward, we may see it occasionally, depending on which features Autopilot is dependent on.

Thanks to Greentheonly for helping us understand what happened with this release and for the insight into Tesla’s processes.

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