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Tesla FSD Beta 10.1 released, does not appear to be “Single Stack” version

(Credit: Tesla)

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Tesla has formally started rolling out FSD Beta 10.1 with software update 2021.24.17, and while initial impressions seem to be largely positive, observations from the company’s testers are suggesting that the newest iteration of the advanced driver assist system is not yet equipped with the highly-anticipated “Single FSD Stack” that Elon Musk has hinted at in previous months.

The excitement surrounding V10.1’s release was notable, especially as Tesla has just launched the highly anticipated “Request FSD Beta” button to more members of its fleet. Members of the company’s original batch of FSD Beta testers have noted that the V10.1 update was about 2.9 GB, and it seemed to be comprised mostly of under-the-hood improvements. This was echoed by several longtime FSD Beta testers, many of whom have been part of the program since October 2020. 

Longtime FSD Beta tester Tesla Raj, for one, observed after a 14-mile trip that the driver-assist system’s behavior on the freeway was still nearly identical to the system’s previous iterations. Another longtime FSD Beta tester, James Locke, observed that Summon still had its previous quirks. These, at least for now, hint that Tesla is yet to move functions such as Summon and highway driving to a single FSD stack. 

Musk teased such a move back in July when he noted that FSD features like Summon and Navigate on Autopilot with Automatic Lane Changes would be “sublime” with a single FSD stack. Musk did, however, also emphasize that transitioning Autopilot and FSD to a single stack requires massive retraining for the company’s neural networks. 

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https://twitter.com/arctechinc/status/1442016597778911238?s=20

That being said, the CEO also hinted that Tesla is making some serious progress with its shift to a single FSD stack, with Musk stating following the rollout of FSD Beta 10.0 that the highly-anticipated transition would release in V10.1 instead. Considering the initial observations of the company’s FSD Beta testers, however, this shift seems to have been moved back once more. 

This is not to say that FSD Beta 10.1 is a disappointment, of course. FSD Beta 10 is already one of, if not the most advanced consumer-grade driver-assist systems on the road today. Elon Musk may not consider FSD Beta’s current performance that great in the grand scheme of things, but it is still leagues ahead of competing systems from rival automakers. 

Ford’s BlueCruise, for one, is promoted as a hands-free driver-assist system, but a real-world test from automotive teardown expert Sandy Munro revealed that BlueCruise disengages when faced with minor curves on the freeway, with little warning to the driver. Mercedes-Benz’s DrivePilot, on the other hand, is promoted as an SAE Level 3 system that enables hands-free driving, but it is incapable of operating in rain, show, or at nighttime

Check out how FSD Beta 10.1 performs at night in the video below.

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Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Elon Musk

Brazil Supreme Court orders Elon Musk and X investigation closed

The decision was issued by Supreme Court Justice Alexandre de Moraes following a recommendation from Brazil’s Prosecutor-General Paulo Gonet.

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Gage Skidmore, CC BY-SA 4.0 , via Wikimedia Commons

Brazil’s Supreme Federal Court has ordered the closure of an investigation involving Elon Musk and social media platform X. The inquiry had been pending for about two years and examined whether the platform was used to coordinate attacks against members of the judiciary.

The decision was issued by Supreme Court Justice Alexandre de Moraes following a recommendation from Brazil’s Prosecutor-General Paulo Gonet.

According to a report from Agencia Brasil, the investigation conducted by the Federal Police did not find evidence that X deliberately attempted to attack the judiciary or circumvent court orders.

Prosecutor-General Paulo Gonet concluded that the irregularities identified during the probe did not indicate fraudulent intent.

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Justice Moraes accepted the prosecutor’s recommendation and ruled that the investigation should be closed. Under the ruling, the case will remain closed unless new evidence emerges.

The inquiry stemmed from concerns that content on X may have enabled online attacks against Supreme Court justices or violated rulings requiring the suspension of certain accounts under investigation.

Justice Moraes had previously taken several enforcement actions related to the platform during the broader dispute involving social media regulation in Brazil.

These included ordering a nationwide block of the platform, freezing Starlink accounts, and imposing fines on X totaling about $5.2 million. Authorities also froze financial assets linked to X and SpaceX through Starlink to collect unpaid penalties and seized roughly $3.3 million from the companies’ accounts.

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Moraes also imposed daily fines of up to R$5 million, about $920,000, for alleged evasion of the X ban and established penalties of R$50,000 per day for VPN users who attempted to bypass the restriction.

Brazil remains an important market for X, with roughly 17 million users, making it one of the platform’s larger user bases globally.

The country is also a major market for Starlink, SpaceX’s satellite internet service, which has surpassed one million subscribers in Brazil.

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Elon Musk

FCC chair criticizes Amazon over opposition to SpaceX satellite plan

Carr made the remarks in a post on social media platform X.

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Credit: @SecWar/X

U.S. Federal Communications Commission (FCC) Chairman Brendan Carr criticized Amazon after the company opposed SpaceX’s proposal to launch a large satellite constellation that could function as an orbital data center network.

Carr made the remarks in a post on social media platform X.

Amazon recently urged the FCC to reject SpaceX’s application to deploy a constellation of up to 1 million low Earth orbit satellites that could serve as artificial intelligence data centers in space.

The company described the proposal as a “lofty ambition rather than a real plan,” arguing that SpaceX had not provided sufficient details about how the system would operate.

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Carr responded by pointing to Amazon’s own satellite deployment progress.

“Amazon should focus on the fact that it will fall roughly 1,000 satellites short of meeting its upcoming deployment milestone, rather than spending their time and resources filing petitions against companies that are putting thousands of satellites in orbit,” Carr wrote on X.

Amazon has declined to comment on the statement.

Amazon has been working to deploy its Project Kuiper satellite network, which is intended to compete with SpaceX’s Starlink service. The company has invested more than $10 billion in the program and has launched more than 200 satellites since April of last year.

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Amazon has also asked the FCC for a 24-month extension, until July 2028, to meet a requirement to deploy roughly 1,600 satellites by July 2026, as noted in a CNBC report.

SpaceX’s Starlink network currently has nearly 10,000 satellites in orbit and serves roughly 10 million customers. The FCC has also authorized SpaceX to deploy 7,500 additional satellites as the company continues expanding its global satellite internet network.

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Energy

Tesla Energy gains UK license to sell electricity to homes and businesses

The license was granted to Tesla Energy Ventures Ltd. by UK energy regulator Ofgem after a seven-month review process.

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Credit: Tesla Energy/X

Tesla Energy has received a license to supply electricity in the United Kingdom, opening the door for the company to serve homes and businesses in the country.

The license was granted to Tesla Energy Ventures Ltd. by UK energy regulator Ofgem after a seven-month review process.

According to Ofgem, the license took effect at 6 p.m. local time on Wednesday and applies to Great Britain.

The approval allows Tesla’s energy business to sell electricity directly to customers in the region, as noted in a Bloomberg News report.

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Tesla has already expanded similar services in the United States. In Texas, the company offers electricity plans that allow Tesla owners to charge their vehicles at a lower cost while also feeding excess electricity back into the grid.

Tesla already has a sizable presence in the UK market. According to price comparison website U-switch, there are more than 250,000 Tesla electric vehicles in the country and thousands of Tesla home energy storage systems.

Ofgem also noted that Tesla Motors Ltd., a separate entity incorporated in England and Wales, received an electricity generation license in June 2020.

The new UK license arrives as Tesla continues expanding its global energy business.

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Last year, Tesla Energy retained the top position in the global battery energy storage system (BESS) integrator market for the second consecutive year. According to Wood Mackenzie’s latest rankings, Tesla held about 15% of global market share in 2024.

The company also maintained a dominant position in North America, where it captured roughly 39% market share in the region.

At the same time, competition in the energy storage sector is increasing. Chinese companies such as Sungrow have been expanding their presence globally, particularly in Europe.

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