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And yet, it has been done in the past. To name just a few examples:In the late days of the Amiga, there were expansions boards with 68k and PPC CPUs,and Nintendo regularly releases gaming systems which are backward compatible to their predecessors due to dual types of CPUs.
That wasn't one computer with two different CPUs. It was two completely separate computers with the tiniest bit of communications going on between them.
 
The Marzipan apps included with Mojave are flat out terrible.

My biggest issue with Apple software is that every significant change is tied to a yearly release.

When they ship crap, you are stuck with it for at least a year (unless there's massive outrage that makes them look bad). They almost never ship iterative improvements (which these awful Marzipan apps could use).

There's no reason they can't do a monthly iterative releases with regular improvements.
 
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The need to submit an app multiple times is silly.

Because there will always be iOS apps not running on macOS, and there will always be macOS apps not running on iOS. You would want macOS users with an Android phone to find your app, wouldn't you?

Not actually valid reasoning. Akin to having separate online stores for physical books, versus digital versions. Filtering is simple.
 
This is a day late & a dollar short, why does it take this long for Apple to deliver on this?!
I feel the same.

Apple would have saved almost a decade of developer effort if they did something like this sooner.

By 2021 why would I want to deploy to only iOS and macOS, when alternatives exist NOW that allow me deploy to macOS, iOS, Windows, Android, and Linux?

Anything that skips Windows is a hard pill to swallow.
 
This is funny. When MS came out with universal apps (and despite having touchscreens on full OS devices), it still failed miserably. This might sounds great in a boardroom meeting, and even great for many programmers. In practice, not a single successful implementation of the concept. Maybe Apple can build enough smarts into the interface builder that they can pull it off, but judging by their recent software releases and all the issues, I very much doubt it.
 
Then they're going to cripple the Mac to the iPhone level. Touch interface without a touch screen, no file system, all photos in a single directory, unorganized, no external drive support, all files must be on the cloud... horrible idea. Unless they fix the iPad first.
 
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Almost every keynote I comment how I think that Apple is slowly merging all of their operating systems. And I usually get mocked for it. So, now what?
 
This is a day late & a dollar short, why does it take this long for Apple to deliver on this?!

Ok, WHO has delivered this yet?

Has Microsoft done this with their (now-defunct) phones and Windows? Nope.
Has Google done this with Android and Google OS? Nope.

Tell me who is at the party that Apple is late and a dollar short to.

It's a hard problem, which is why it hasn't happened yet.
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By 2021 why would I want to deploy to only iOS and macOS, when alternatives exist NOW that allow me deploy to macOS, iOS, Windows, Android, and Linux?

Please name one.

Anything that skips Windows is a hard pill to swallow.
I haven't used Windows for the past 10 years. Don't miss it at all.
 
I have been writing Mac software professionally since 1987 and this sounds like a terrible idea. Neither of my company's two major products can adapt well to iOS and a universal app makes no sense at all.
 
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I use GoodNotes on the ipad and needed the desktop version to open their proprietary files. It works well on macOS but does look like a larger ipad version.
 
TO ALL STAFF HERE AND ALL READERS: from high up sources at apple: all late 2018 mac os releases (and beyond) are not actually mac os anymore. it's ios with a mac emulator on top. apple has already transitioned the mac to ios without you even knowing.
 
TO ALL STAFF HERE AND ALL READERS: from high up sources at apple: all late 2018 mac os releases (and beyond) are not actually mac os anymore. it's ios with a mac emulator on top. apple has already transitioned the mac to ios without you even knowing.

Hahahaha. lol.

I'm a developer. This is 100% fake news.
 
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TO ALL STAFF HERE AND ALL READERS: from high up sources at apple: all late 2018 mac os releases (and beyond) are not actually mac os anymore. it's ios with a mac emulator on top. apple has already transitioned the mac to ios without you even knowing.

Exactly like how Kraft changed the mac and cheese to all natural ingredients and didn't tell anyone until a year had passed and nobody noticed that the cheesy goodness was any different.

It's exactly the same thing.
 
The existing Marzipan apps in Mojave are pretty bad. Even John Gruber who typically heaps praise upon Apple had this to say about them:

…the new “Marzipan” apps — Home, News, Stocks, Voice Memos — range from “not great and a little weird” (Home) to “downright terrible” (the other three).

Hopefully this just means that it will present a Mac desktop UI but share a lot of the same code base, perhaps even with tools to help make the process go smoothly.
 
The end of the Mac as a platform for good UI then.

The Marzipan apps included with Mojave are flat out terrible.

Apple's arguments against a touchscreen Mac look pretty thin in light of this.
And these are the apps Apple shipped to showcase this new cross-platform design concept. I shudder to think how badly lazy or budget-starved third-party developers will approach this. Truly could be a race to the bottom.
 
And these are the apps Apple shipped to showcase this new cross-platform design concept. I shudder to think how badly lazy or budget-starved third-party developers will approach this. Truly could be a race to the bottom.
Keep in mind this was based on technology that is years before this is released to developers.
 
I've been thinking this too. Once you blur the lines between an OS X app and an iOS app to this extent, you're going to lose a lot of the advantage of Mac OS X applications. I can see developers watering down their applications so they're suitable for use on iPads, and hurting the ability to do more with a full-blown computer that has more RAM and SSD storage capacity.

This has even happened with Microsoft Office 365, since the focus was unifying features between iOS versions and Mac versions. When something was too difficult to implement for iOS, they just removed it from the Mac version to keep them in parity.


The end of the Mac as a platform for good UI then.

The Marzipan apps included with Mojave are flat out terrible.

Apple's arguments against a touchscreen Mac look pretty thin in light of this.
 
Honestly I hate this idea. I suspect we're going to get a lot of apps designed for mobile interfaces, and then just a few tweaks thrown in to make them work for desktop.
 
And these are the apps Apple shipped to showcase this new cross-platform design concept. I shudder to think how badly lazy or budget-starved third-party developers will approach this. Truly could be a race to the bottom.

It became a race to the bottom the moment Apple started removing features and calling that "upgrading" while simultaneously destroying their once-brilliant UIs with idiotic hipster minimalism, lack of skeuomorphism, low-contrast crapola. They've also obviously stopped any-kind of attempt to bring standardized, universal gestures to iOS apps and devs have followed by doing whatever-they-hell-they-want in terms of gesture control (notice how double-tapping on videos, which always used to zoom them to full screen, now does all kinds of different things across different video-player apps, some of which still adhere to double-tap-to-zoom while others hide invisible buttons like play/pause FF and RW on your screen). Apps made for MacOS also have glaring non-standard UI elements now that Apple doesn't give two flying effs about UI. Things like Chrome and Firefox "Preferences" being in freaking browser tabs instead of a standard Preferences window? That kind of lazy non-standard crap didn't used to fly in Macland. But when the only player that knew what they were doing and actually cared about the end-user experience decided that the one key-feature that made their products stand head-and-shoulders above the competition no longer mattered? Well, the new race-the-bottom commenced, full steam ahead.
 
Because not all apps work on all devices, and most never will.
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For the same reason man hasn't visited Mars yet.
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No. There's no such thing as a "Mac only" programmer. There are developers who know Swift and Objective-C, which are both used for iOS and MacOS apps.
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Did I miss the part of the article where it says iOS replacing MacOS? The ability to use the same app across both doesn’t suggest a merger or replacement of either.
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Did we miss a deadline that was established sometime back?
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Ummm no. The fact that an app works on multiple devices does not necessarily mean it is larger in size.
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Developers can only do so much within the APIs and development tools that Apple provides. AutoLayout is a nightmare, and creating layouts for all the different size classes is even worse.
I get it, you're pretending to be a developer. Poorly though.
 
That wasn't one computer with two different CPUs. It was two completely separate computers with the tiniest bit of communications going on between them.
At least the Amiga was one computer with two different CPUs. You booted into a single (68k based) OS and the machine used whatever CPU the application you started was compiled for. You could even run stuff on both CPUs at the same time.
 
This has even happened with Microsoft Office 365, since the focus was unifying features between iOS versions and Mac versions. When something was too difficult to implement for iOS, they just removed it from the Mac version to keep them in parity.

Huh? The mac version of office can do lots of things that the iOS version cannot.
 
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