DC/OS™ 2.0.5 was released on 30 June, 2020.

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Release Summary

DC/OS is a distributed operating system that enables you to manage resources, application deployment, data services, networking, and security in an on-premise, cloud, or hybrid cluster environment.

DC/OS

Components

DC/OS 2.0.5 includes the following component versions:

• Apache® Mesos® 1.9.1-dev
• OpenSSL 1.1.1g

DC/OS Fixed and Improved Issues

• Fixed a critical error in Metronome where existing jobs appear to be lost after upgrade. (COPS-6174)
• Fixed an issue with unmounting external persistent volumes in Mesos. (COPS-5920, D2iQ-65497)
• Zookeeper log messages are now being forwarded to syslog. (COPS-6128, D2iQ-68394)
• Additional logging has been added to the installation scripts to aid in debugging installation issues. (COPS-5428)
• Fixed an issue where frameworks could interfere with Marathon pods by launching tasks on resources reserved to Marathon. (D2iQ-68800)
• Fixed an issue where the DC/OS UI sometimes did not report the correct DC/OS version due to browser caching. (D2iQ-69682)

Mesos Fixed and Improved Issues

For a detailed description on updates to Mesos, see the changelog

Marathon Fixed and Improved Issues

For a detailed description on updates to Marathon, see the changelog.

Metronome Fixed and Improved Issues

For a detailed description on updates to Metronome, see the changelog.