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Making macOS run well on ARM processors isn’t the hard part

Mark Gurman at Bloomberg has the confirmation we’ve all be waiting for: Apple will reportedly use a 12-core 5nm ARM processor in a 2021 Mac. There’s plenty of time to work out the details, but getting both the rollout and the technical side of this transition right won’t be easy. We watched a generation of pretty bad Windows 10 ARM laptops come out. Then we got the excellent Surface Pro X, which still has very aggravating software compatibility gotchas.

The forthright and direct way Apple handled the last Mac processor architecture switch — from PowerPC to Intel — went really well. Though I’ll admit it’s easy to say that now that the complications of that switch are so far behind us. Still, as I remember it everybody knew what to expect, knew it would take a minute, and was so eager for the switch that they were willing to deal with the hassles it caused.

If you haven’t ever watched Steve Jobs’ 2005 announcement of the Intel switch for Macs, I highly recommend it. He makes a strong case for the transition’s necessity, lays out the benefits for users, details how it’s going to happen, and makes some jokes in the process. He’s not trying to hide the rabbit, he just explains that Apple hadn’t been able to make the computers it wanted to make on the old PowerPC chips.

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Making these new ARM chips that Gurman has detailed must be a huge, multi-year effort, but it will all be for naught if the software doesn’t run well — or at all — on them. And even then, the truth is that just porting macOS and Apple’s own apps over to ARM isn’t the hard part.

The hard part is clearly communicating to users and developers what the change will mean to them — and providing them with tools to deal with it. What software will work, won’t work, and will work slowly via emulation? What will developers need to do in order to port their apps over? Will porting an app to ARM even be worth the effort and cost?

Apple does not like pre-announcing anything, but I’m not sure how you effectuate a whole damn processor transition without giving developers a heads up. In fact, I think it would be utter madness to not give developers a heads-up as early as possible. Apple was willing to pre-announce and share some basic information on its Mac Pro plans well ahead of that release, so there’s recent precedent for pre-announcing.

This year’s WWDC would have been a great time to do it, but who knows if the online-only version of it will change that plan (if it was, you know, the plan). Certainly many developers would benefit from one-on-one time with Apple’s engineers once the transition is official.

That’s just the communication and release strategy. When it comes to the actual technical solutions, I am sure that there are no easy answers, either. Windows on ARM has performance issues with emulated apps and straight-up availability issues with apps that don’t work with its emulation. It’s entirely possible that Mac on ARM could face similar problems.

And while I am sure Apple was hoping Catalyst apps would be a piece of the puzzle, to date they’ve been quite disappointing. Even with a massive turnaround, they would be need to be just one of many strategies for getting fast apps on the new ARM-based macOS. There will surely need to be some sort of emulation layer for Intel-based apps. And I have to assume that the many developer tools Apple has been pushing lately (like Swift) will smooth the transition for app makers.

Even so, there’s a lot of work ahead for Apple and also for app developers, who will have to contend with this new processor architecture at some point. Hopefully that work will also come with new opportunities. I would love nothing more than to not hear anybody (including myself) complain that Adobe apps are either unavailable or painfully slow because there are so many great, native-ARM alternatives.

There are more questions than answers, and until we get a better sense of what Apple is planning for software compatibility it’s hard to even say what the right answers would be in the first place.

So the best I can do is offer some some very unsolicited advice: don’t be afraid to Osborne your current Macs, Apple. You’ve got the cash. Announce as early as you can and go all-out to support developers big and small. If you want to avoid the stigma Windows faced (and still faces) with its ARM version, make sure that macOS on ARM absolutely flies. Then take whatever investment you’re making in developer tools and developer relations and double it.

There’s a marketing term called “surprise and delight.” I’m sure you’ve heard it. When it comes to switching the Mac to ARM, I’d suggest forgetting about the surprise part — it’ll make it that much harder to get everybody to the delight part.

Motorola returns to flagship phones with the Edge Plus.. Chaim Gartenberg has a first look at Motorola’s newest, biggest phone. The standout feature is the screen that wraps around the sides. I’ve yet to see anybody really nail that idea in a way that didn’t ultimately end up being annoying. But Motorola has always had non-annoying software interventions on Android, so here’s hoping it got it right.

The result is the $999 Edge Plus, which has a 6.7-inch, FHD+ OLED panel, a Snapdragon 865 processor, 5G support with mmWave radios, a 90Hz refresh rate, 12GB of RAM, 256GB of internal storage, a 5,000mAh battery, and even a 3.5mm headphone jack. There’s also a triple rear camera system, which is led by a 108-megapixel sensor that looks to compete (at least, on paper) with phones like Samsung’s Galaxy S20 Ultra or Xiaomi’s Mi Mix Alpha.

The Verizon exclusivity is dumb, though. I was hoping the Razr exclusivity would be a one-off, but there’s clearly some kind of deal here. I wouldn’t begrudge Moto that deal if it needs it, but as we enter an era of only three big US carriers, I fear we’ll also get another era of locked phones and exclusives.

Wi-Fi is getting its biggest upgrade in 20 years. It’s called “Wi-Fi 6E,” and the difference from Wi-Fi 6 is that it will support the 6GHz band, not just 2.4 and 5. That’s all great news, but I have a particular beef with calling it “6E.” The whole point of Wi-Fi 6 is that it got rid of the alphabet soup of a/b/g/etc. I understand that technically adding another band doesn’t technically expand the spec in the way we’ve been thinking, but I understand even better that it doesn’t matter. They should have just called it Wi-Fi 7. And given what a big deal this extra band could be, it certainly deserves a number.

Google Duo video calls are about to look a whole lot better.

Apple iPhone SE review: everything you need. Here’s my iPhone SE review, in case you missed it. My hunch about it being a great value has borne out: it is. Whatever knocks I have against it (low-light photography and merely average battery life) are vastly outweighed by the plusses: fast processor, updates for years, quality build.

The iPhone SE sets a new high-bar for sub-$500 phones, one that Android phone makers are soon going to try to clear. Samsung is making a big, somewhat belated push with its new A-series phones. In the US market, at least, all its marketing heat has been behind the S and Note series, but the A series does huge volume. There are new ones coming soon. Then there’s also the upcoming Pixel 4A, which like all Pixels has been so thoroughly leaked there isn’t much mystery left to it.

Those Android phones will likely beat the iPhone SE in certain categories, but whether or not they can beat it overall remains to be seen. It won’t be easy.

Logitech’s Combo Touch is the Magic Keyboard for everyone else. Phil Esposito leads our tech video team, but in his spare time he now reviews iPad keyboard cases. This one in particular looks pretty good! If it were available for newer-generation iPad Pros, I’d seriously consider it over the Magic Keyboard.

Sennheiser Momentum True Wireless 2 review: great sound, now with noise cancellation. Jon Porter reviews:

The double whammy of excellent sound quality and ANC performance makes the Sennheiser Momentum True Wireless 2 a formidable pair of earbuds. Then again, at $300, you’d hope for as much, especially since that makes them more expensive than other noise-canceling earbuds like the AirPods Pro ($249) or Sony WF-1000XM3 ($229.99). Sennheiser’s earbuds just about earn this price premium in terms of raw quality, but it’s a shame to see them missing out on features like wireless charging.

Apple’s new $399 iPhone SE 2 releases today, and believe it or not, there are a few deals you can check out. Of course, you can pay full price for the unlocked version through Apple or Best Buy, but if you’re planning to upgrade your phone or add a line through your carrier, there are plenty of ways to save. We’ve pulled them all together right here.

Vox Media has affiliate partnerships. These do not influence editorial content, though Vox Media may earn commissions for products purchased via affiliate links. For more information, see our ethics policy. Prices displayed are based on the MSRP at time of posting.

The jury is still out on Zoom trials. Zoe Schiffer looks at the issues that arise when trying to hold court (literally, not figuratively) on Zoom.

Moving the justice system online has had unexpected consequences for the decorum typically expected in a courtroom. Dennis Bailey, a judge in Florida, wrote a public letter calling on lawyers to dress more appropriately, after seeing a male lawyer show up shirtless and a female attorney make an appearance while still in bed. “And putting on a beach cover-up won’t cover up you’re poolside in a bathing suit,” the letter reads. “So, please, if you don’t mind, let’s treat court hearings as court hearings, whether Zooming or not.”

NASA administrator urges people not to travel to Florida to watch historic SpaceX launch. Loren Grush:

The flight will be the first time that American astronauts have launched on US-made space vehicles from American soil since the end of the Space Shuttle program in 2011.

Bird: careless leadership, high turnover, and inappropriate office behavior. Julia Black has a deep, inside look at a company in utter disarray. How many times do we have to learn the lesson that “grow at all costs” is a recipe for terrible company politics and decisions?

“When you put that crown on a company,” says one former employee, “they owe it to investors and to themselves to grow at all costs. … And when you only focus on growth, you stop focusing on people. … Once that snowball started rolling down the hill, there was no stopping it.”

Apps aren’t a reliable way to measure blood oxygen levels. I can’t imagine Apple, Google, and Samsung leaving these apps in their stores for too much longer. They’re wildly irresponsible, providing “normal” readings even to those whose levels are low. Nicole Wetsman reports:

Schrading and colleagues evaluated three iPhone pulse oximetry apps in a study published in 2019, and found that they couldn’t reliably identify people who did not have enough oxygen. Their findings were consistent with other studies, which also found that pulse oximetry apps were inaccurate. A recent analysis from the Centre for Evidence-Based Medicine at the University of Oxford, which reviewed the research on apps in the context of the COVID-19 pandemic, also concluded that they are unreliable. “Oxygen saturation levels obtained from such technologies should not be trusted,” the authors of the analysis wrote.

This Article was first published on theverge.com

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