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1. Xcode Simulator Download Slow
2. Xcode Download Slow App Store
3. Xcode Beta Download Slow
4. Xcode Simulator Download Slow
5. Xcode Download Slow

Download from the Mac App Store is incredibly slow and sometimes not even available for days after release (like 11.2.1). The place to go is the Apple Developer Portal where you can find all the Xcode versions, including the betas. Faster download with aria2.

1. I had the same issue downloading Xcode 7.2. The download was drastically slow compared to my internet download speed. Try this fix it worked for me: Go to the app store/ Updates and pause the download; Go to the app store/ Purchased and log in if you are not already logged in; Restart the download.
2. Most slow downloads can be fixed by cleaning out the 'registry'. The registry is where all the settings for your PC are kept, and is where Windows looks for a series of 'download settings' each time you want to download a file.

Everything worked perfect on Xcode 9. But after updating to Xcode 10, Simulator started to get huge lags. Super simple animation is working on 2 fps and whole Mac OS is super slow while animation on Simulator is working. Anybody know what happens and how to fix that? Any app or any standard iOS app is the same terrible slow.

Explanation — it is NOT about slow motion that I can switch with Command⌘ + T. I am talking about huge lags. When UIView is flying it appears in another position jerkily. Not smooth slow animation. 2 fps is not slow motion. It is the same fast motion but in 2 FPS!

download iOS11.4 simulator and try it. The downside is you cannot test iOS12. But at least you can work on Xcode 10 and get the App released. Note: don’t bother to get Xcode 9.4.1. Or other versions. It won’t fix the problem. The trick is after you run Xcode 10 the first time, it installed the new coresimulator framework to your root folder.

Why is XCode running slow?, But after updating to Xcode 10, Simulator started to get huge lags. Super simple animation is working on 2 fps and whole Mac OS is super slow while animation Simulator on Xcode 10 became terribly slow. Everything worked perfect on Xcode 9. But after updating to Xcode 10, Simulator started to get huge lags. Super simple animation is working on 2 fps and whole Mac OS is super slow while animation on Simulator is working.

What worked for me was switching the values in Debug >Graphics Quality Override of the Simulator menu.Surprisingly, after setting to 'Low' from 'Device Default', lag was gone, and now any value works like a charm.

How to speed up the iPhone simulator in Xcode, Since upgrading to XCode 10 my iOS simulators have become really slow. There's My simulators have also slowed down by a large degree. Hello! I've been running my iOS 11 simulator on a fairly powerful machine. A 2010 Mac Pro with 64GB of RAM, GTX770 with 2GB of VRAM, and 2x2.66 6-core CPUs. No slouch. The iOS 11 simulator was noticably choppier than iOS 10's simulator. I tested on a lesser machine, a 2011 MacBook with 16GB of RAM, Radeon HD 6750M with 1GB of VRAM, and a 2.2GHz i7.

iPhone Simulator suddenly started running very slow, Simulator so slow it's unusable after download xcode 10. at least 100 hours spent and 5 review processes later, it finally went through to the App Store! Windows 10 Running Slow all of a Sudden 'I've had this PC for about 1.5 years now, and it's always worked fine and fast. Then about a week ago, it started being very slow suddenly; whether it's opening an app or right-clicking, it's just very slow.

I had same problem and this fixed it:

Where X is:

0 = auto

1 = Metal

2 = OpenCL

3 = OpenGL

Does Xcode use GPU to build? |Apple Developer Forums, iOS Simulator gradually becomes very slow & unusable #36839 Xcode 10.2.1, Build version 10E1001 • CocoaPods version 1.7.4 [✓] iOS MacOS 10.11.6 XCode 8.2.1. Find the Download URL. The first thing you have to do is find the file that you need to download. To do this, open up XCode and click on “Preferences > Components” to see a list of available simulators to download. Click the down arrow next to the simulator you want to download to begin the normal download process.

Yes, it is NOT about slow motion as you said. Xcode simulator has extremely low performance in global. It is Apple's bug. I have reported it via Feedback Assistant. I have created demo with code demonstrating that simulator is 200 times slower than any old real device. I have found that JavaScript code with Date object executed in WKWebView is pain for simulator. See jsfiddle https://jsfiddle.net/kjms16cw/ I hope Apple will fix it soon!

ios - Simulator on Xcode 10 became terribly slow, I restarted XCode and didn't use the simulator and it seems to be running fine. I have a MacBookPro late 2011 with 16GB RAM running Sierra -. The apps I work on have one, visible from the start, and it takes about 10 seconds for it to render the map. While it's doing that, it's painfully slow. But once it's finished, performance feels pretty normal.

XCode 10 simulator slow |Apple Developer Forums, I've found that if you go under Debug, make sure you don't have Slow Animation turned on, also I Answered Feb 10, 2018 · Author has 72 answers and 68.1k answer views Her credit score went from 588 to 781 with this 5 minute trick. Nitin Gohel, I am working in iOS app Development so i know about xcode very well. Learn how to Delete Old Simulators in Xcode 10.2! Swift 5 is out and with it Xcode 10.2. I'm sure that most of you have already updated to the latest version. But you may notice that the old iOS

Simulator so slow it's unusable after download xcode 10. Tried , But the simulators run really slow, much slower than It seems to be a problem with iOS11 simulator (IOS10 work fine). See also Source: https://stackoverflow.​com/questions/31378232/xcode-simulator-extremely-slow Laptop became slow on Windows 10 Hi Windows, I have an ASUS A10 X550Z laptop that I just bought in June of this year and that had Win 8.1 installed on it. It was

iOS Simulator gradually becomes very slow & unusable · Issue , As projects grow, build times can become problematic. With reports that Xcode 11 builds are up to 50% slower, Xcode build speed has become an even hotter topic. ‍The Apple iOS test simulator lets you test across different software tests from slowing down simulating pixels that no one will ever see.

Comments

• Try iOS 9.1 simulator. It shows at least 10fps for me when iOS 10 and 12 only 2-3fps
• Hey Paul. Thank you for suggestion. But unfortunately 11.4 Simulator has the same trouble as 12.0 Simulator now. I think the point might be in new Xcode(((
• I just tried. you are right. same problem. Some developer are saying after they roll back ~/Library/Developer/PrivateFrameworks/CoreSimulator.framework using Time Machine, they fixed the problem. I didn't have this option because I didn't backup my machine. Next Step will be reinstall the MacBook.
• This is what I did too and has defiantly sped things up drematically. Came here hoping for a better solution though :-( Hopefully Apple will patch soon.
• Are you running macOS Mojave (Version 10.14 Beta) by any chance? I'm running into the same problem and it is killing my productivity. Haven't found a fix for any of this yet but I'm scouring different forums and will post a working solution should I find one @Paul
• No, I am running the latest maxOS.
• I have try too without luck with some single lines i found but it was hard to find the X values that solves my problem. I give the list here to let people select a correct value that explain what the value mean.
• X = 3 did help, iOS sim 12
• He has explained that it has nothing to do with that.
• Right, very right. that solved my problem even though I have no idea how it was turned on. Might be set default in recent xCode

With an all-new design that looks great on macOS Big Sur, Xcode 12 has customizable font sizes for the navigator, streamlined code completion, and new document tabs. Xcode 12 builds Universal apps by default to support Mac with Apple Silicon, often without changing a single line of code.

Designed for macOS Big Sur.

Xcode 12 looks great on macOS Big Sur, with a navigator sidebar that goes to the top of the window and clear new toolbar buttons. The navigator defaults to a larger font that’s easier to read, while giving you multiple size choices. New document tabs make it easy to create a working set of files within your workspace.

Document tabs.

The new tab model lets you open a new tab with a double-click, or track the selected file as you click around the navigator. You can re-arrange the document tabs to create a working set of files for your current task, and configure how content is shown within each tab. The navigator tracks the open files within your tabs using strong selection.

Navigator font sizes.

The navigator now tracks the system setting for “Sidebar icon size” used in Finder and Mail. You can also choose a unique font size just for Xcode within Preferences, including the traditional dense information presentation, and up to large fonts and icon targets.

Code completion streamlined.

A new completion UI presents only the information you need, taking up less screen space as you type. And completions are presented much faster, so you can keep coding at maximum speed.

Redesigned organizer.

An all-new design groups all critical information about each of your apps together in one place. Choose any app from any of your teams, then quickly navigate to inspect crash logs, energy reports, and performance metrics, such as battery consumption and launch time of your apps when used by customers.

SwiftUI

SwiftUI offers new features, improved performance, and the power to do even more, all while maintaining a stable API that makes it easy to bring your existing SwiftUI code forward into Xcode 12. A brand new life cycle management API for apps built with SwiftUI lets you write your entire app in SwiftUI and share even more code across all Apple platforms. And a new widget platform built on SwiftUI lets you build widgets that work great on iPad, iPhone, and Mac. Your SwiftUI views can now be shared with other developers, and appear as first-class controls in the Xcode library. And your existing SwiftUI code continues to work, while providing faster performance, better diagnostics, and access to new controls.

Universal app ready.

Xcode 12 is built as a Universal app that runs 100% natively on Intel-based CPUs and Apple Silicon for great performance and a snappy interface.* It also includes a unified macOS SDK that includes all the frameworks, compilers, debuggers, and other tools you need to build apps that run natively on Apple Silicon and the Intel x86_64 CPU.

Updated automatically

When you open your project in Xcode 12, your app is automatically updated to produce release builds and archives as Universal apps. When you build your app, Xcode produces one binary “slice” for Apple Silicon and one for the Intel x86_64 CPU, then wraps them together as a single app bundle to share or submit to the Mac App Store. You can test this at any time by selecting “Any Mac” as the target in the toolbar.

Xcode Simulator Download Slow

Test multiple architectures.

On the new Mac with Apple Silicon, you can run and debug apps running on either the native architecture or on Intel virtualization by selecting “My Mac (Rosetta)” in the toolbar.

Multiplatform template

New multiplatform app templates set up new projects to easily share code among iOS, iPadOS, and macOS using SwiftUI and the new lifecycle APIs. The project structure encourages sharing code across all platforms, while creating special custom experiences for each platform where it makes sense for your app.

Improved auto-indentation

Xcode Download Slow App Store

Swift code is auto-formatted as you type to make common Swift code patterns look much better, including special support for the “guard” command.

StoreKit testing

Xcode Beta Download Slow

New tools in Xcode let you create StoreKit files that describe the various subscription and in-app purchase products your app can offer, and create test scenarios to make sure everything works great for your customers — all locally testable on your Mac.

Xcode Simulator Download Slow

Get started.

Xcode Download Slow

Download Xcode 12 and use these resources to build apps for all Apple platforms.