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Chapter 2. Release Notes

This section documents the most important features and bug fixes in the Red Hat Container Development Kit 3.7 product.

2.1. Component Versions
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Red Hat Container Development Kit 3.7 is shipped with the following versions of the main components:

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Table 2.1. Container Development Kit, Component Versions
ComponentVersion

Docker

1.13.1

Docker API

1.26

Kubernetes

1.11.0

OpenShift Container Platform

3.11.43

2.2. VirtualBox Compatibility
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Red Hat Container Development Kit 3.7 has been tested with VirtualBox 5.2.12 and higher, but is known to not work correctly with VirtualBox 5.1.11 or older. Ensure that you have VirtualBox 5.1.12 or higher if you intend to use VirtualBox as your virtualization provider. VirtualBox 5.2.12 is recommended.

2.3. New Features
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This section highlights some of the new features offered by Red Hat Container Development Kit 3.7. The new version also contains a number of bug fixes.

Red Hat Container Development Kit 3.7 contains the Minishift tool, a Red Hat Enterprise Linux 7 ISO, and the oc (OpenShift client) binary for interacting with OpenShift Container Platform.

2.3.1. Minishift
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Red Hat Container Development Kit 3.7 is based on Minishift, a command line tool to provision OpenShift locally for application developers. It supports all native hypervisors and some additional ones:

macOS
Linux
Windows

2.3.2. Technology Previews
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Support for these features falls under the Technology Preview Features Support Scope.

  • Container Development Kit now supports displaying a status icon in the system tray on Microsoft Windows and macOS. Users can start, check status, and stop the Container Development Kit instance through the system tray.

    By default, the system tray icon is automatically started when running minishift start. To disable the auto-start behaviour, use the following command: 

    $ minishift config set auto-start-tray false
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    For more information, see CDK System Tray.

2.3.3. Usability Improvements
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  • Container Development Kit now includes a time-zone feature, which automatically sets the time zone of the Container Development Environment virtual machine to the same time zone as on the host system. Users can control the feature using the new timezone sub-command: 

    $ minishift timezone --set <valid_time_zone>
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    For more information, see Timezone Setup.

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