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Reverse Proxy Deep Dive: Why Load Balancing at Scale Is Hard

This post is part of a series. Part 1 - A deep dive into connection management challenges. Part 2 - The nuances of HTTP parsing and why it’s harder than it looks. Part 3 - The intricacies of service discovery. Part 4 - Why Load Balancing at Scale is Hard. Load Balancing One of the most critical roles for a reverse proxy is load balancing requests across different upstream hosts. From a list of upstream servers, the proxy must decide where each incoming request should go. The primary goals

Apple releases watchOS 11.6.1, here’s what’s new

Apple has released watchOS 11.6.1 for Apple Watch, reintroducing the Blood Oxygen app for certain customers in the United States. The update works in tandem with iOS 18.6.1, also released today, and marks the first time the feature has been available on new watch hardware since late 2023. Until now, launching the Blood Oxygen app on affected Apple Watch models displayed a blunt message: “The Blood Oxygen app is no longer available. Learn more in the Health app on your iPhone.” That limitation a

Blood Oxygen monitoring returns to the Apple Watch after US ban - see which models get it

Nina Raemont/ZDNET ZDNET's key takeaways Blood Oxygen is back for affected Apple Watch models. Will be reinstated with the latest iOS and WatchOS updates. Apple redesigned it to resolve an import ban over patent infringement. Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. After a lengthy pause due to legal issues, Apple is finally bringing back the Blood Oxygen monitor for affected Apple Watch models in the US. Models getting th

Apple Reintroduces Blood Oxygen Feature Ahead of Apple Watch Series 11 Launch

Apple is gearing up to unveil the Apple Watch Series 11 next month alongside the iPhone 17, but it has an early treat for some existing Apple Watch owners in the US today. Thursday marks the surprise reintroduction of the Apple Watch blood oxygen feature, redesigned for some Apple Watch Series 9, Series 10 and Apple Watch Ultra 2 owners. The feature will be available via a software update that's rolling out now. If you own one of these models and don't currently have access to the feature, you

The Apple Watch Is Finally Getting Blood Oxygen Sensing Back

If you have an Apple Watch Series 9, 10, or Ultra Watch 2 that you bought in the US in the past year, you'll finally get the blood oxygen sensing feature back via a software update later today, according to Apple. To make sure you get the feature, update your paired iPhone to iOS 18.6.1 and the Apple Watch to watchOS 11.6.1. Sensor data will be calculated in the app, and you will be able to see your blood oxygen in the Respiratory section of the Health app. If you bought your watch before 2024

Blood Oxygen Tracking Returns to U.S. Apple Watches Today After 5-Year Patent Dispute

Good news: Apple Watches sold in the U.S. after January 2024 lost their built-in blood oxygen tracking because of a patent dispute with medical company Masimo, but the feature will return via a software update coming out today. In a Newsroom post, Apple says it’s introducing a “redesigned Blood Oxygen feature for some Apple Watch Series 9, Series 10, and Apple Watch Ultra 2.” The reworked blood oxygen feature will be pushed out on iPhone and Apple Watch via an iOS 18.6.1 and watchOS 11.6.1 soft

Apple launching ‘redesigned Blood Oxygen feature’ on Apple Watch in the U.S. today

Apple has announced that it will release a software update for iPhone and Apple Watch later today with a “redesigned Blood Oxygen feature” for Apple Watch users in the United States. This comes over 18 months after Apple began selling the Apple Watch without the Blood Oxygen feature in America due to a patent dispute. The new feature will be made available as part of iOS 18.6.1 and watchOS 11.6.1 updates. In a statement to 9to5Mac today, an Apple spokesperson said: “Apple will introduce a red

Apple's 'redesigned' blood oxygen monitoring feature hits Apple Watches in the US today

More than a year after an import ban forced the company to remove blood oxygen monitoring from some US Apple Watch models, Apple says it will introduce a redesigned version of the feature later today. In a post on its newsroom website, the company says the feature will roll out to Apple Watch Series 9, Series 10, and Watch Ultra 2 users through a joint Apple Watch and iPhone update. Once Apple begins rolling out the software, you'll need to update your devices to iOS 18.6.1 and watchOS 11.6.1 to

New protein therapy shows promise as antidote for carbon monoxide poisoning

University of Maryland School of Medicine (UMSOM) researchers, along with their colleagues, engineered a new molecule that appears promising as an effective antidote for carbon monoxide poisoning with fewer side effects than other molecules currently being tested, according to a new study published in the journal PNAS. Carbon monoxide poisoning accounts for 50,000 emergency room visits in the U.S. each year and causes about 1,500 deaths. These deaths may occur when carbon monoxide released from

Apple’s blood oxygen monitoring returns to its latest Apple Watches

Apple announced on Thursday it’s introducing a redesigned Blood Oxygen feature for some Watch Series 8, Series 10, and Apple Watch Ultra. With this move, Apple is bringing back blood oxygen monitoring by tweaking the feature to get around the International Trade Commission’s (ITC) import ban. Blood oxygen data will be measured and calculated on the user’s paired iPhone, and results can be viewed in the Respiratory section of the Health app. This means users won’t be able to view the data on the

New Protein Therapy Shows Promise as Antidote for Carbon Monoxide Poisoning

University of Maryland School of Medicine (UMSOM) researchers, along with their colleagues, engineered a new molecule that appears promising as an effective antidote for carbon monoxide poisoning with fewer side effects than other molecules currently being tested, according to a new study published in the journal PNAS. Carbon monoxide poisoning accounts for 50,000 emergency room visits in the U.S. each year and causes about 1,500 deaths. These deaths may occur when carbon monoxide released from

AI demand boosts iPhone maker Foxconn's second-quarter profit by 27%, beating forecasts

Foxconn Hon Hai Technology Group signage during the Nvidia GPU Technology Conference (GTC) in San Jose, California, US, on Thursday, March 20, 2025. Taiwan's Foxconn , the world's largest contract electronics maker, reported Thursday that its second-quarter operating profit rose 27% year over year, on the strength of its growing artificial intelligence server business. Here's how Foxconn did in the second quarter of 2025 compared with LSEG SmartEstimates, which are weighted toward forecasts fr

The Xbox app for Windows on Arm will soon let you download games

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Posts from this author will be added to your daily email digest and your homepage feed. Microsoft is adding the ability to download ARM64 compatible games to its Xbox app for Windows on Arm. Windows Insiders can now test a new update to the Xbox app that lets them install games locally, instead of having to rely on Xbox Cloud Gaming. Currently, the Xbox app on devices like th

Monarch Tractors won’t be built by Foxconn after Ohio factory sale

Foxconn will no longer build electric tractors for California startup Monarch Tractor after the Taiwanese tech giant recently sold its Ohio factory to SoftBank. Monarch CEO Praveen Penmetsa confirmed the news in a LinkedIn comment Tuesday. He also said his company worked with Foxconn to “build up inventory” before the sale of the factory, noting his startup has “enough to meet customer demand for the next 12 months, along with ample spare parts.” “In the coming weeks, we will be sharing more a

PUBG: Battlegrounds will leave PS4 and Xbox One behind later this year

PUBG: Battlegrounds is finally ready to ditch last-gen consoles. On Wednesday, the developer said that the game will transition to PS5 and Xbox Series X/S on November 13. Although the battle royale has been playable on current-gen consoles all along, it was running as a PS4 or Xbox One game. That helped it cast a wide net (and probably make more money), but it also came with technical limitations. The company said the move to current-gen will "provide our players with a more stable gameplay env

Topics: gen ps5 pubg series xbox

Tensor wants to be the first company to sell you a ‘robocar’ — but who are they?

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Posts from this author will be added to your daily email digest and your homepage feed. A new company is launching today that claims to have developed “the first volume-produced, consumer-ready autonomous vehicle — designed from the ground up for private ownership at scale.” The company is called Tensor, and it describes i

Best Internet Providers in Phoenix, Arizona

What is the best internet provider in Phoenix, Arizona? CNET ranks Quantum Fiber as the best internet provider in Phoenix for most households. The fiber provider took the top spot due to its fast, symmetrical speeds, free equipment rental and unlimited data. If Quantum Fiber isn't available at your address, there are several solid alternatives available. Cox offers broad coverage in the area and high-speed plans, while Verizon 5G Home Internet offers budget-friendly choices. Verizon’s 5G Home

The Best Whitening Toothpaste of 2025, According to Dentists

Why we like it: Colgate Optic White Pro Series toothpaste is one whitening toothpaste that Dr. Fatima Khan, a dentist in Houston, Texas, recommends. Some of her reasons for recommending it include its trusted brand name and its 5% hydrogen peroxide whitening agent. Unlike other whitening agents that work by removing stains on the surface of the tooth, hydrogen peroxide can get inside the tooth so it whitens intrinsically as well as extrinsically. Sachar also recommends this toothpaste, saying,

ESPN and Fox Are Launching a New Streaming Bundle

Just days after announcing their new streaming services will both launch on Aug. 21, ESPN and Fox are now joining forces to roll out a streaming bundle. On Monday, the two companies shared that they've agreed to offer a package that grants access to Fox One and the new ESPN streaming platform for $40 per month. Customers can sign up beginning Oct. 2. Sports fans who want to stream live events without cable may find these new package options appealing. Bundling can help you save roughly $10 a mo

ESPN and FOX will offer bundle with their new streaming services

Two brand new streaming services are launching next week. ESPN and FOX One both debut on August 21, and now Deadline reports that a bundle featuring the competing services will soon be available. New ESPN-FOX One streaming bundle coming for $39.99/month If you’re a sports fan in the US, you probably know that football season is fast approaching. The NFL remains a juggernaut in linear TV ratings, but this year it should be more accessible than ever on streaming too. That’s in part because of

ESPN will offer a $39.99 bundle with Fox’s live sports streaming service

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. ESPN and Fox both launch their live sports streaming services later this month, and now the two companies have announced that you can bundle them at a discount. Starting October 2nd, you can purchase a subscription to ESPN’s standalone streaming service and Fox

There’s a new Xbox emulator on Android, but here’s why you should run away from it

Hadlee Simons / Android Authority TL;DR The supposed first Xbox emulator on Android, Xanite, has launched in V0.1. It is not able to emulate Xbox games, and it appears to be nothing more than an empty shell. Updates are promised in the coming weeks, but don’t get your hopes up. Emulation on Android has come a long way in recent years, with systems up to and including the Nintendo Switch and PS3 now playable. However, despite coming out way back in 2001, the original Xbox still doesn’t have a

Tribit Stormbox Mini+ Review: A Great Cheap Portable Speaker

If you’re shopping for a portable Bluetooth speaker, it’s a given that you want good sound. With a budget of $75-$150, there is no shortage of great options, including WIRED favorites like the JBL Flip 7, Beats Pill, and Tribit StormBox 2. If your travel ambitions have already soaked up most of your cash, you have fewer choices. Spending less always involves a tradeoff, but Tribit’s StormBox Mini+ ($40) involves far fewer compromises than you might think, and it even throws in a few features th

‘Citizen Toxie’ Is Troma at Its Filthy, Disgusting, Overtly Offensive Best

Troma boss Lloyd Kaufman has been out in force talking up Macon Blair’s The Toxic Avenger, a spirited reimagining of the studio’s 1984 cult classic set to irradiate a whole new generation when it hits theaters this month. But when io9 got a chance to talk to Kaufman at the recent San Diego Comic-Con, we had to ask: after watching Blair’s film, which other film in the vast Troma archives should a newly minted fan turn to next? “The fourth Toxic Avenger movie, Citizen Toxie,” Kaufman said without

Overengineering my homelab so I don't pay cloud providers

After years of self-hosting on a VPS in a datacenter, I’ve decided to move my services at home. But instead of just porting services, I’m using this as an opportunity to migrate to a more flexible and robust set up. I will deploy services on a single mini pc. Since I need to be able to experiment and learn without disrupting my services, I will need to be able to spin up Virtual Machines (VMs). Let’s explore how I deployed Proxmox Virtual Environment on a safe host for my specific needs as a ho

SoftBank reportedly bought Foxconn’s Ohio factory for the Stargate AI project

The mystery buyer of the former General Motors factory owned by Foxconn in Lordstown, Ohio is apparently SoftBank, according to Bloomberg News. SoftBank wants to use the factory to build AI servers as part of the Stargate data center project being spearheaded by the Japanese conglomerate, OpenAI, and Oracle. The report comes just a few days after Foxconn announced it had sold the factory, along with electric vehicle manufacturing equipment that was inside of it, to a buyer it only referred to a

The First Xbox Handheld Could Be Coming Sooner Than You Think

Microsoft may be ready to announce an official release date for its long-awaited Xbox handheld (or at least, the one that’s not actually being made by Xbox). The most recent reliable leaks suggest the Asus ROG Xbox Ally and Ally X will hit the scene in October, with Microsoft planning to share pricing and preorder info later this month. The end of the year is shaping up to be open season for handheld PCs, though I’m still biting my bottom lip to get used to the sting of what may be very expensiv

How to watch Gamescom 2025 and what to expect

It feels like Summer Game Fest is only just in our rear view mirror and yet there's another video game extravaganza on the horizon. Gamescom is the planet's largest gaming event and we're sure to find out about a bunch of interesting new games at the Opening Night Live showcase. Xbox is broadcasting from the show floor across two days, and there will be other presentations that are worth keeping an eye on. Gamescom is taking place between August 20 and 24 this year, and we're learning bits and

Why I ditched Google Chrome for Firefox Focus within 10 minutes of using the mobile browser

Jack Wallen / Elyse Betters Picaro / ZDNET ZDNET's key takeaways Firefox Focus is a security and privacy-focused mobile browser. This browser offers a minimal UI and maximum privacy features. Firefox Focus is available for both Android and iOS. I've run the gamut of web browsers on Android, and every time I think I've found "the one," I discover a reason not to use it. That reason might be a cluttered UI, a lack of options, or not enough security. Recently, however, I came across a browser

Over engineering my homelab so I don't pay cloud providers

After years of self-hosting on a VPS in a datacenter, I’ve decided to move my services at home. But instead of just porting services, I’m using this as an opportunity to migrate to a more flexible and robust set up. I will deploy services on a single mini pc. Since I need to be able to experiment and learn without disrupting my services, I will need to be able to spin up Virtual Machines (VMs). Let’s explore how I deployed Proxmox Virtual Environment on a safe host for my specific needs as a ho