Docker v1.12.1 RC 2 发布了，这是 Docker v1.12.1 的候选版本，Docker v1.12.1 将于 2016-08-18 发布。

详情：https://github.com/docker/docker/releases/tag/v1.12.1-rc2

下载地址：

• Source code (zip)

• Source code (tar.gz)

部分更新内容：

Client

• Add Joined at information in node inspect --pretty #25512

• Fix a crash on service inspect #25454

• Fix issue preventing service update --env-add to work as intended #25427

• Fix issue preventing service update --publish-add to work as intended #25428

• Remove service update --network-add and service update --network-rm flags because this feature is not yet implemented in 1.12, but was inadvertently added to the client in 1.12.0#25646

Contrib

• Official ARM installation for Debian Jessie, Ubuntu Trusty, and Raspbian Jessie #24815#25591

• Add selinux policy per distro/version, fixing issue preventing successful installation on Fedora 24, and Oracle Linux #25334 #25593

Networking

• Fix issue that prevented containers to be accessed by hostname with Docker overlay driver in Swarm Mode #25603 #25648

• Fix random network issues on service with published port #25603

• Fix unreliable inter-service communication after scaling down and up #25603

• Fix issue where removing all tasks on a node and adding them back breaks connectivity with other services #25603

• Fix issue where a task that fails to start results in a race, causing a network xxx not founderror that masks the actual error #25550

• Relax validation of SRV records for external services that use SRV records not formatted according to RFC 2782 #25739

Plugins (experimental)

• Make daemon events listen for plugin lifecycle events #24760

• Check for plugin state before enabling plugin #25033

• Remove plugin root from filesystem on plugin rm #25187

• Prevent deadlock when more than one plugin is installed #25384

Runtime

• Mask join tokens in daemon logs #25346

• Fix docker ps --filter causing the results to no longer be sorted by creation time #25387

• Fix various crashes #25053

Security

• Add /proc/timer_list to the masked paths list to prevent information leak from the host#25630

• Allow systemd to run with only --cap-add SYS_ADMIN rather than having to also add --cap-add DAC_READ_SEARCH or disabling seccomp filtering #25567

Volume

• Persist local volume options after a daemon restart #25316

• Fix an issue where the mount ID was not returned on volume unmount #25333

• Fix an issue where a volume mount could inadvertently create a bind mount #25309

• docker service create --mount type=bind,... now correctly validates if the source path exists, instead of creating it #25494