[Fix] The status of external services could remain in the FAIL state after an incident was resolved.
[Fix] Notification emails containing newline characters in the message subject would fail to send.
[Fix] Webhooks for maintenances still showed “planned maintenance” as the current status when a maintenance was completed.
[Fix] In rare situations, the checked affected infrastructure would not be saved correctly when creating an incident or maintenance.
[Fix] The New Relic metric selector would fail to list all of the metrics available.