# Weekly Virtual Machine / Stack updates - 2018.04.07 **URL:** \ **Category:** Changelog\ **Tags:** stack-updates\ **Created:** [April 6, 2018, 3:16pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2018-04-07/4736 "2018-04-06T15:16:22Z")\ **Posts on this page:** 3\ **Page:** 1
**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:** [April 6, 2018, 3:16pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2018-04-07/4736/1 "2018-04-06T15:16:22Z")
## Highlights > [@Xcode 9.4 beta arrived!](http://discuss.bitrise.io/t/xcode-9-4-beta-arrived/4703/1): > > Xcode 9.4 beta is now available! tada 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 9.4.x stack option, and your next build will start on the Xcode 9.4 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). You can find the Stack’s full system report at: [https://github.com/bitrise-io/bitrise.io/blo…](https://github.com/bitrise-io/bitrise.io/blob/master/system_reports/osx-xcode-9.4.x.log) > [@Xcode 9.3 (final) arrived!](http://discuss.bitrise.io/t/xcode-9-3-final-arrived/4666): > > Xcode 9.3 (final) is now available! tada 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 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 alre… ### Android/Linux stacks - **Android/Linux Latest** : - Go: updated to **1.10.1** - Ruby: updated to **2.5.1** ### Xcode stacks - **Xcode 9.4** : [Xcode 9.4 beta arrived!](http://discuss.bitrise.io/t/xcode-9-4-beta-arrived/4703/1) - **Xcode 9.3** : [Xcode 9.3 (final) arrived!](http://discuss.bitrise.io/t/xcode-9-3-final-arrived/4666) ### Visual Studio for Mac stacks - **Visual Studio for Mac, Stable channel** : [https://releases.xamarin.com/service-release-15-6-5/](https://releases.xamarin.com/service-release-15-6-5/) ### Hybrid stacks - No significant change ## This week’s changes (diffs) > ## Stack System Reports You can find the full system report of all of the available Stacks on GitHub: [https://github.com/bitrise-io/bitrise.io/tree/master/system\_reports](https://github.com/bitrise-io/bitrise.io/tree/master/system_reports). 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!** 🚀 ---
**Author:** ![viktorbenei](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/viktorbenei/32/18_2.png) [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\ **Post date:** [April 6, 2018, 3:22pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2018-04-07/4736/2 "2018-04-06T15:22:08Z")
All stacks passed our tests and scheduled to be deployed on Saturday 🚀 ---
**Author:** ![viktorbenei](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.bitrise.io/viktorbenei/32/18_2.png) [@viktorbenei](https://discuss.bitrise.io/u/viktorbenei)\ **Post date:** [April 7, 2018, 10:25am UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2018-04-07/4736/3 "2018-04-07T10:25:04Z")
New stacks deployed and are available in production 🎉