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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 3.4 product.
2.1. Component Versions
Red Hat Container Development Kit 3.4 is shipped with the following versions of the main components:
| Component | Version |
|---|---|
| Docker | 1.13.1 |
| Docker API | 1.26 |
| Kubernetes | 1.9.1 |
| OpenShift Container Platform | 3.9.14 |
2.2. VirtualBox Compatibility
Red Hat Container Development Kit 3.4 has been tested with VirtualBox 5.1.14 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.
2.3. New Features
This section highlights some of the new features offered by Red Hat Container Development Kit 3.4. The new version also contains a number of bug fixes.
Red Hat Container Development Kit 3.4 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
Red Hat Container Development Kit 3.4 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
- xhyve (default)
- VirtualBox
- Linux
- KVM (default)
- VirtualBox
- Windows
- Hyper-V (default)
- VirtualBox
2.3.2. New Features
- The CDK VM can be assigned a static IP address when run using the Hyper-V hypervisor. See Assign IP Address to Hyper-V for more information.
- CDK now includes command line tab completion.
2.3.3. Technology Previews
Support for these features falls under the Technology Preview Features Support Scope.
-
The CDK VM can now be forced to reuse the IP address it was assigned during the first run of
minishift start. This will help users who experience IP address changes between theminishift stopandminishift startcommands which make the CDK instance unusable. See Set Fixed IP Address for more information. - Host folder mounting now supports using SSHFS. See Host Folders for more information.
2.3.4. Usability Improvements
-
Add-on commands can now ignore the error generated by command execution. Commands starting with the
!character ignore execution failure, allowing commands to be executed multiple times without changing the final behavior of the add-on. See Add-ons for more information.
2.4. Other Notable Changes
-
The
--metricsand--loggingflags for theminishift startcommand have been moved behind the experimental flag. See Enabling Experimental oc cluster up Flags for more information.
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