- Update to 2.13.4
* Bugfixes
- Fix a race-condition involving object attribute updates that could result in a crash. #9395
- After a host recovered, only send problem notifications for services after they have been
rechecked afterwards to avoid false - notifications. #9348
- Speed up config validation by avoiding redundant serialization of objects. #9400
- Add a separator attribute to allow using arguments like --key=value as required by some
check plugins. This fixes the --upgrade and --dist-upgrade arguments of check_apt. #9397
- Windows: Update bundled versions of Boost and OpenSSL. #9360 #9415
* Icinga DB
- Add an icingadb CheckCommand to allow checking if Icinga DB is healthy. #9417
- Update documentation related to Icinga DB. #9423
- Fix a bug where history events could miss the environment ID. #9396
- Properly serialize attributes of command arguments when explicitly set to null. #9398
- Rename some attributes to make the database schema more consistent. #9399 #9419 #9421
- Make the error message more helpful if the API isn't set up #9418