# Weekly Virtual Machine / Stack updates - 2017.04.15

**URL:** <https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2017-04-15/1460>\
**Category:** Changelog\
**Tags:** stack-updates\
**Created:** [April 14, 2017, 2:24pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2017-04-15/1460 "2017-04-14T14:24:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**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 14, 2017, 2:24pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2017-04-15/1460/1 "2017-04-14T14:24:42Z")

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## Highlights

### All stacks

Bitrise CLI was upgraded to 1.5.6 on all stacks. Related CLI announcement:

> [@Monthly release of Bitrise CLI tools and summary of updates (April, 2017)](http://discuss.bitrise.io/t/monthly-release-of-bitrise-cli-tools-and-summary-of-updates-april-2017/1441):
>
> We ship a new bitrise cli version on the second Tuesday of every month. The new release will be available on the [bitrise.io](https://www.bitrise.io) virtual machines on the weekend after the CLI release, unless we discover any serious bug / regression. Read on to learn more about this month’s [Bitrise CLI](https://github.com/bitrise-io/bitrise) release and about the changes around bitrise tools and steps. New version of Bitrise CLI ([1.5.6](https://github.com/bitrise-io/bitrise/releases/tag/1.5.6)) Switch Bitrise Data Model’s (bitrise.yml) format\_version to one component version number. Added project\_type …

### Android/Linux stacks

- Go 1.8.1
- Ruby 2.4.1
- Node.js v7.9.0

### Xcode stacks

No significant change

### Xamarin stacks

- Xcode upgraded to 8.3.1 on all Xamarin stacks except on the LTS one
- Stable and Beta update: [https://releases.xamarin.com/security-update-for-libjpeg-for-mono-framework/](https://releases.xamarin.com/security-update-for-libjpeg-for-mono-framework/)
- Alpha update: [https://releases.xamarin.com/alpha-release-15-2-alpha-preview-2/](https://releases.xamarin.com/alpha-release-15-2-alpha-preview-2/)

## This week’s changes (diffs)

> <https://github.com/bitrise-io/bitrise.io/pull/135>

## 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!**

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<div class="post-metadata">

**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 14, 2017, 2:24pm UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2017-04-15/1460/2 "2017-04-14T14:24:58Z")

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All stacks passed our tests and ready for tomorrow’s deploy 🚀

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<div class="post-metadata">

**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 15, 2017, 9:58am UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2017-04-15/1460/3 "2017-04-15T09:58:41Z")

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New stacks deployed and are available in production 🎉