[Improvement] IPv6 is included on all plans

[Improvement] The cause for email bounces is displayed in the CSV export

[Improvement] IP Access Control updates take effect immediately

[Improvement] IP Access Control supports IPv6

[Improvement] The Twilio SMS integration now supports manual account set up with the ability to purchase your own number from Twilio

[Fix] Handling of variables in notification previews has been fixed

[Fix] Invoice PDF downloads are working in all browsers

[Improvement] Major improvements to the web caching engine to eliminate stale cache issues and increase performance

[Improvement] SSL certificate upload enhancements

[Improvement] Added Arizona MST timezone

[Improvement] Added new AWS and Azure data centers

[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.

[Improvement] Updated the PagerDuty integration to handle v3 webhooks

[Improvement] Updated the verification process for custom email sending domains

[Fix] Fixed notification log bug for API methods when using integers instead of strings