- update to 2.10.3
* Bugfixes:
- Stalled TLS connections on reload/Director deployments (#6816 #6898 ref/NC/588119)
- 'Connection: close' header leading to unstable instance, affects Ruby clients (#6799)
- Server time in the future breaks check result processing (#6797 ref/NC/595861)
- ScheduledDowntimes: Generate downtime objects only on one HA endpoint (#2844 ref/IC/9673 ref/NC/590167 ref/NC/591721)
- Improve activation & syncing for downtime objects generated from ScheduledDowntimes (#6826 ref/IC/9673 ref/NC/585559)
- Generate a runtime downtime object from already running ScheduledDowntime objects (#6704)
- DB IDO: Don't enqueue queries when the feature is paused in HA zones (#5876)
- Crashes with localtime_r errors (#6887)
* Documentation updates:
- Ephemeral port range blocking on Windows agents (ref/NC/597307)
- Technical concepts for the check scheduler (#6775)
- DB IDO cleanup (#6791)
- Unified development docs (#6819)
Details see: https://github.com/Icinga/icinga2/blob/master/CHANGELOG.md#2103-2019-02-26