# Icinga 2 CHANGELOG
-Please make sure to always read our [Upgrading](https://icinga.com/docs/icinga2/latest/doc/16-upgrading-icinga-2/)
-documentation before switching to a new version.
+**The latest release announcements are available on [https://icinga.com/blog/](https://icinga.com/blog/).**
+
+Please read the [upgrading](https://icinga.com/docs/icinga2/latest/doc/16-upgrading-icinga-2/)
+documentation before upgrading to a new release.
+
+Released closed milestones can be found on [GitHub](https://github.com/Icinga/icinga2/milestones?state=closed).
+
+## 2.11.0 (2019-09-19)
+
+[Issue and PRs](https://github.com/Icinga/icinga2/issues?utf8=%E2%9C%93&q=milestone%3A2.11.0)
+
+### Notes
+
+Upgrading docs: https://icinga.com/docs/icinga2/snapshot/doc/16-upgrading-icinga-2/
+
+Thanks to all contributors: [Obihoernchen](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3AObihoernchen), [dasJ](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3AdasJ), [sebastic](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Asebastic), [waja](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Awaja), [BarbUk](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3ABarbUk), [alanlitster](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Aalanlitster), [mcktr](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Amcktr), [KAMI911](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3AKAMI911), [peteeckel](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Apeteeckel), [breml](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Abreml), [episodeiv](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Aepisodeiv), [Crited](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3ACrited), [robert-scheck](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Arobert-scheck), [west0rmann](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Awest0rmann), [Napsty](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3ANapsty), [Elias481](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3AElias481), [uubk](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Auubk), [miso231](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Amiso231), [neubi4](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Aneubi4), [atj](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Aatj), [mvanduren-itisit](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Amvanduren-itisit), [jschanz](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Ajschanz), [MaBauMeBad](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3AMaBauMeBad), [markleary](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Amarkleary), [leeclemens](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Aleeclemens), [m4k5ym](https://github.com/Icinga/icinga2/pulls?q=is%3Apr+author%3Am4k5ym)
+
+### Enhancements
+
+* Core
+ * Rewrite Network Stack (cluster, REST API) based on Boost Asio, Beast, Coroutines
+ * Technical concept: #7041
+ * Requires package updates: Boost >1.66 (either from packages.icinga.com, EPEL or backports). SLES11 & Ubuntu 14 are EOL.
+ * Require TLS 1.2 and harden default cipher list
+ * Improved Reload Handling (umbrella process, now 3 processes at runtime)
+ * Support running Icinga 2 in (Docker) containers natively in foreground
+ * Quality: Use Modern JSON for C++ library instead of YAJL (dead project)
+ * Quality: Improve handling of invalid UTF8 strings
+* API
+ * Fix crashes on Linux, Unix and Windows from Nessus scans #7431
+ * Locks and stalled waits are fixed with the core rewrite in #7071
+ * schedule-downtime action supports `all_services` for host downtimes
+ * Improve storage handling for runtime created objects in the `_api` package
+* Cluster
+ * HA aware features & improvements for failover handling #2941 #7062
+ * Improve cluster config sync with staging #6716
+ * Fixed that same downtime/comment objects would be synced again in a cluster loop #7198
+* Checks & Notifications
+ * Ensure that notifications during a restart are sent
+ * Immediately notify about a problem after leaving a downtime and still NOT-OK
+ * Improve reload handling and wait for features/metrics
+ * Store notification command results and sync them in HA enabled zones #6722
+* DSL/Configuration
+ * Add getenv() function
+ * Fix TimePeriod range support over midnight
+ * `concurrent_checks` in the Checker feature has no effect, use the global MaxConcurrentChecks constant instead
+* CLI
+ * Permissions: node wizard/setup, feature, api setup now run in the Icinga user context, not root
+ * `ca list` shows pending CSRs by default, `ca remove/restore` allow to delete signing requests
+* ITL
+ * Add new commands and missing attributes
+* Windows
+ * Update bundled NSClient++ to 0.5.2.39
+ * Refine agent setup wizard & update requirements to .NET 4.6
+* Documentation
+ * Service Monitoring: How to create plugins by example, check commands and a modern version of the supported plugin API with best practices
+ * Features: Better structure on metrics, and supported features
+ * Technical Concepts: TLS Network IO, Cluster Feature HA, Cluster Config Sync
+ * Development: Rewritten for better debugging and development experience for contributors including a style guide. Add nightly build setup instructions.
+ * Packaging: INSTALL.md was integrated into the Development chapter, being available at https://icinga.com/docs too.
+
-Released closed milestones can be found [here](https://github.com/Icinga/icinga2/milestones?state=closed).
## 2.11.0 RC1 (2019-07-25)
projects / icinga2 / commitdiff