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Docker 1.12.3
K8S  v1.6.6 
Rancher v1.6.5
 
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Node Components
Drop the support for docker 1.9.x. Docker versions 1.10.3, 1.11.2, 1.12.6 have been validated.
External Dependency Version Information
Continuous integration builds have used the following versions of external dependencies, however, this is not a strong recommendation and users should consult an appropriate installation or upgrade guide before deciding what versions of etcd, docker or rkt to use.
Docker versions 1.10.3, 1.11.2, 1.12.6 have been validated
Docker versions 1.10.3, 1.11.2, 1.12.6 have been validated
Docker versions 1.10.3, 1.11.2, 1.12.6 have been validated
Docker version 1.12.6 known issues
overlay2 driver not fully supported
overlay2 driver not fully supported
overlay2 driver not fully supported
live-restore not fully supported
no shared pid namespace support
Docker version 1.11.2 known issues
Kernel crash with Aufs storage driver on Debian Jessie which can be identified by the node problem detector
Leaked File descriptors
Additional memory overhead per container
Docker 1.10.3 contains backports provided by RedHat for known issues
Support for Docker version 1.9.x has been removed
rkt version 1.23.0+
known issues with the rkt runtime are listed in the Getting Started Guide
etcd version 3.0.17
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