Update - We will begin the next phase of the PHP Runtime Generation 2 rollout today. Test and Live environments of Sandbox sites that are not opted out will be upgraded over the next several days.
On Thursday, October 16, we will begin upgrading Dev and Multidev environments for Basic sites.
Update - Scheduled maintenance is still in progress. We will provide updates as necessary.
Oct 07, 2025 - 21:54 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 2025 - 08:00 PDT
Scheduled - [Update: The beginning of the rollout has been moved to September 24]
PHP Runtime Generation 2 will begin rolling out on September 24 over a 60-day period, starting with dev environments of free sites then gradually moving through all site plans.
What’s New in PHP Runtime Generation 2: - Support for the latest PHP versions, including PHP 8.4 - Long-Term Support (LTS) editions for PHP - Updated PHP extensions and improved security features
For more details and instructions, visit our documentation (https://docs.pantheon.io/php-runtime-generation-2). Our support team is available to help if you have any additional questions or need assistance.
Sep 17, 202508:00 - Oct 27, 202508:00 PDT
Resolved -
This incident has been resolved. Dashboard Operations are back to normal.
Oct 14, 23:51 PDT
Monitoring -
A fix has been implemented and we are monitoring the results.
Oct 14, 22:53 PDT
Investigating -
We are currently investigating reports of Dashboard performance issues. At this time, we want to clarify that no site downtime has been reported in relation to this incident.
Our engineering team is actively working to identify the root cause and implement a resolution. If you require immediate assistance, please contact us via email: helpdesk@pantheon.io
We will provide the next update as soon as more information becomes available. Thank you for your patience and understanding.
Oct 14, 21:53 PDT
Completed -
The scheduled maintenance has been completed.
Oct 14, 19:00 PDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 14, 18:00 PDT
Scheduled -
In order to improve the customer experience and keep our systems updated with the latest scalable technologies, Pantheon will be performing scheduled maintenance on Tuesday, October 14, 2025.
During this maintenance window, there will be a temporary interruption of Workflows and the availability of the Dashboard. We apologize for any inconvenience this may cause and assure you that our team will work diligently to minimize any disruption.
We do not anticipate any impact to your site(s) uptime during this maintenance window.
We understand the importance of our services to your business, and we assure you that our team will complete the maintenance as quickly as possible. We will also keep you informed of any updates or changes during the maintenance process. Should you have any questions or concerns, please reach out to our customer support team via chat or email us at the Pantheon Helpdesk.
Oct 9, 05:45 PDT
Resolved -
This incident has been resolved. Dashboard operations are back to normal. Thank you for your patience throughout the process.
Oct 8, 19:48 PDT
Monitoring -
A fix has been implemented and we are monitoring the results.
Oct 8, 18:44 PDT
Identified -
The issue has been identified and a fix is being implemented.
Oct 8, 18:15 PDT
Investigating -
We are currently investigating reports of Dashboard performance issues. At this time, we want to clarify that no site downtime has been reported in relation to this incident.
Our engineering team is actively working to identify the root cause and implement a resolution. If you require immediate assistance, please contact us via email: helpdesk@pantheon.io
We will provide the next update as soon as more information becomes available. Thank you for your patience and understanding.
Oct 8, 17:52 PDT