# Weekly Virtual Machine / Stack Updates - 2019.08.26
**URL:** https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2019-08-26/10028
**Category:** Changelog
**Created:** [August 26, 2019, 8:09am UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2019-08-26/10028 "2019-08-26T08:09:46Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@fehersanyi-bitrise](https://discuss.bitrise.io/u/fehersanyi-bitrise)
#### Post date: [August 26, 2019, 8:09am UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2019-08-26/10028/1 "2019-08-26T08:09:46Z")
## Highlights
Bitrise CLI update to 1.33.0
#### Xcode 11.0 beta6 Available
> [@Xcode 11 beta6 is now available!](http://discuss.bitrise.io/t/xcode-11-beta6-is-now-available/9998):
>
> Xcode 11 beta6 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 11.0.x option and your next build will start on the Xcode 11 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 11.0.x configuration, so if you’ve already s…
### Android/Linux stacks
Build tools added:
29.0.1
29.0.2
### Xcode stacks
Flutter 1.7.8+hotfix.4
### Visual Studio for Mac stacks
Flutter 1.7.8+hotfix.4
Ionic: 5.2.3
## This week’s changes (diffs)
>
## Stack System Reports
You can find the full system report of all of the available Stacks on GitHub: [bitrise.io/system\_reports at master · bitrise-io/bitrise.io · GitHub](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)._
All stacks passed our tests and scheduled to be deployed on Saturday.
**Happy Building!**
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### Author:  [@fehersanyi-bitrise](https://discuss.bitrise.io/u/fehersanyi-bitrise)
#### Post date: [November 24, 2019, 8:09am UTC](https://discuss.bitrise.io/t/weekly-virtual-machine-stack-updates-2019-08-26/10028/2 "2019-11-24T08:09:48Z")
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