Detailed introduction to the big changes of Xcode 14

stay WWDC2022 It introduces Xcode 14 after , The latest version you can download now is Xcode 14 beta2.

Apple For the latest version Xcode A lot of upgrades and improvements have been made .

below , Let's take a look at the new Xcode 14 What are the new features and enhancements .

The effect of volume weight loss is remarkable

new Xcode 14 The volume reduction is very obvious , Only 7GB A little more . Before Xcode 13 The volume is at least 10GB Upward .

Xcode 14 The volume is reduced by 3GB As much as , It is quite impressive .

The reduction in volume means that the download and installation speed have been greatly improved .

preview (Preview) Functional improvements

Xcode 14 in , about App The interface preview function has been greatly improved .

First , When you open the preview interface, it is in the running state by default , There is no need to manually click the run button .

in addition ,Xcode 14 Now provide a more convenient preview interface , Let's check different scenarios at once App All appearance of the interface .

These include ： Theme color 、 Device screen orientation 、 Font size, etc .

Enhance code completion

Xcode 14 Many enhancements have been made to the function of code editor .

Now? , The formal parameters of the custom structure or class initializer will also be automatically completed ：

If the formal parameter contains the default parameter , It will be marked with italic light text in the completion ：

It is also more convenient to find the call tree of methods ：

however , I think the most convenient point is ： Now? Xcode 14 Direct will SF The symbol display is integrated into the editor .

We no longer have to switch to SF Symbol viewer to find specific SF The symbol ：

The speed of compilation and linking has been greatly improved

Xcode 14 Changed the original compilation and link path , Now they can make better use of multicore cpu Significantly improve compilation and link speed .

Old compile link system ：

More concise new compilation link system ：

Apple call Xcode 14 Link speed in 2 times , Compile faster 25%, But the author has not yet verified ：

meanwhile ,Xcode 14 New compilation timeline (Build Timeline), Developers can find the performance bottleneck in the compilation process ：

Finding memory leaks is more accurate

Xcode 14 It is more accurate to find the memory topology of circular reference objects , It greatly improves the probability of directly locating the problem code ：

Add simulator and Scheme Filtering and recently used topping function

In order to choose common simulators and Scheme To configure ,Xcode Added simulator （ Include Scheme） The functions of common item topping and content filtering ：

Now? , We switch to common simulators faster ！

Integrate TestFlight user Feedback and Hang function

In order to further enhance the closeness between developers and test users ,Xcode 14 You will now TestFlight The function of testing user feedback is integrated , Now you can directly see the feedback problems of all tests , Be clear at a glance :

in addition ,Xcode 14 Added Hang Problem display interface , Can be App During operation, all due to improper operation Main The problems of slow or stuck threads are listed one by one , For inspection ：

App The icon creation process is greatly simplified

stay Xcode 14 Another very useful feature in is ： Now we only need to provide a high-resolution icon image , You can automatically generate icons of all other sizes , You deserve it .

Although now there are many tools to make it convenient for us to deal with different sizes App Icon , But isn't it better to reach the goal in one step ？

summary

In this blog post , The author preliminarily summarizes Xcode 14 Many performance enhancements and feature updates in . Although there are some small problems in the actual experience , But it doesn't stop Xcode 14 Overall, the overall improvement brings a good experience .

Xcode 14 There are more updates , You can go to WWDC 22 View in course .

Thanks for watching , farewell ！