For instance, I would play around Swift 4.2, but I don't want to use Xcode 10 beta version, I have Xcode 9.4.1.
I wonder if there is any way do it, is it possible?
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2 Answers
I figured it out that Yes it is possible. You can achieve it by installing the latest Snapshot:
Development Snapshots are prebuilt binaries that are automatically created from mainline development branches.
Snapshot is a toolchain that you can install into Xcode which contains the latest compiler, leading to let you able to build your app on the latest tools.
How to setup a snapshot into Xcode?
1- Download the latest snapshot (Xcode) from Swift website.
2- Install the downloaded snapshot .pkg file.
3- Run Xcode and then go to: Xcode -> Toolchains -> Manage toolchains.
4- After selecting "Components" - "Toolchains" options, you should see:
Select "Swift Developer Snapshot" and thats it! You might need to reset Xcode after doing the above steps.
Reminder: You should reselect "Xcode 8.3.3" option after done playing around Swift 4, as mentioned in Swift - Using Downloads section:
To submit to the App Store you must build your app using the version of Swift that comes included within Xcode.
7 Comments
mfaani
Just to double check, you can do this with ANY Xcode8 version or there is a certain requirement?
Ahmad F
@Honey I'm using Xcode 8.3 and it works for me, I assume it should work for any Xcode 8 version...
mfaani
And your last line kinda translates to: "No Swift4--Xcode8 apps in appstore". It's available for local development right?
mfaani
In doing so did you run into any issues? I guess you have to switch this everytime you want to go back to Swift3 and also delete all your derived data...anything else I would need to do?
Shradha
I tried this solution, however I am still facing a strange issue. My question is posted here stackoverflow.com/questions/48073482/… . Please help
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