# Xcode 9.3.1 arrived!

**URL:** <https://discuss.bitrise.io/t/xcode-9-3-1-arrived/5080>\
**Category:** Changelog\
**Tags:** stack-updates\
**Created:** [May 14, 2018, 4:00pm UTC](https://discuss.bitrise.io/t/xcode-9-3-1-arrived/5080 "2018-05-14T16:00:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ghaabor](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/ghaabor/32/1891_2.png) [@ghaabor](https://discuss.bitrise.io/u/ghaabor)\
**Post date:** [May 14, 2018, 4:00pm UTC](https://discuss.bitrise.io/t/xcode-9-3-1-arrived/5080/1 "2018-05-14T16:00:08Z")

</div>

Xcode 9.3.1 is now available! 🎉

**To select this Stack** you just have to **open your app** on [bitrise.io](https://www.bitrise.io),  
go to the `Workflow` tab (Workflow Editor), and on the `Stack` tab select the `Xcode 9.3.x`  
stack option, and your next build will start on the Xcode 9.3.1 stack. _Note: you can now select separate stacks for separate workflows! Read more at: [https://blog.bitrise.io/per-workflow-stack-selection-is-here](https://blog.bitrise.io/per-workflow-stack-selection-is-here)._

This new Virtual Machine replaced the previous Xcode 9.3 configuration,  
so **if you’ve already selected the Xcode 9.3.x stack for your app, you’re automatically using Xcode 9.3.1 now**.

**You can find the Stack’s system report** at:  
[https://github.com/bitrise-io/bitrise.io/blob/master/system\_reports/osx-xcode-9.3.x.log](https://github.com/bitrise-io/bitrise.io/blob/master/system_reports/osx-xcode-9.3.x.log),  
and the changes/updates compared to the Xcode 9.3 stack at:  
[https://github.com/bitrise-io/bitrise.io/pull/213/files](https://github.com/bitrise-io/bitrise.io/pull/213/files).

If you’d like to add additional tools to be pre-installed you can find the instructions on [GitHub](https://github.com/bitrise-io/bitrise.io#request-a-tool-to-be-pre-installed-on-a-build-machine), for both the Linux and for the macOS stacks.

_Information about **Stack types & update schedules** can be found here: [discuss.bitrise.io/t/281](http://discuss.bitrise.io/t/how-are-the-bitrise-io-stacks-updated-and-with-what-frequency/281)._

**Happy Building!** 🚀