• New frozen rule format available for Property Manager users: v2024-08-13.
• You can now use the Request Method match criteria with Object Delivery.
• New Mutual TLS Origin Keystore behavior.
• New token authentication additions for DASH in the Segmented Media Protection behavior. You can specify to pass tokens in the query string.
• Optimizations to the Read Timeout behavior, including new First Byte Timeout option. For new Ion properties, Property Manager no longer adds the Read Timeout and Connect Timeout behaviors by default.

• New frozen rule format available for Property Manager users: v2024-05-31.
• TLS version 1.3 within the Origin Server behavior is now in General Availability. TLS version 1.3 offers significant improvements over earlier versions in both performance and security. See the Property Manager guide and PAPI documentation for more details.
• New PAPI rate limit to protect PAPI resources from being exhausted by single users. The limit specifies maximum sustainable number of request allowed each minute per account. PAPI also provides a burst limit that specifies how many requests you can make in excess of the imposed rate limit. For details, see Rate and resource limiting.

New Early Hints behavior supported for use with ​Akamai​'s Ion and Dynamic Site Accelerator products. With Early Hints, you can send an HTTP 103 status code with preliminary HTTP headers at the client request stage, so that a browser can preload critical website resources or preconnect to a specific domain while waiting for the final HTML response. You can configure this behavior in Property Manager or use EdgeWorkers to dynamically calculate the most optimal resources to send as Early Hints at the edge.

The FIPS mode - origin behavior ensures Federal Information Process Standards (FIPS) 140-2 compliance for a connection to an origin server.

New frozen rule format available for Property Manager users: v2024-02-12. No changes to behavior and criteria options, minor metadata updates.

New frozen rule format available for Property Manager users: v2024-01-09.

Client Hints is an effort by Google to replace the legacy User-Agent HTTP header. Use the new Request Client Hints behavior to request specific client hints data for the host, and Permissions Policy behavior to delegate access to the same data to documents that are accessible to the host.

• New frozen rule format available for Property Manager users: v2023-10-30.
• Origin IP ACL behavior is now in General Availability, accessible for Adaptive Media Delivery, Download Delivery, Object Delivery, Dynamic Site Accelerator, Ion Standard and Ion Premier. If you are using PAPI with the latest rule format, Origin IP ACL requires that you specify the ipVersion option in the Origin Server behavior. This additional field is required only if you are using Origin Type - CUSTOMER or EDGE_LOAD_BALANCING_ORIGIN_GROUP.

Secure the connection between the ​Akamai​ edge network and your origin server, using transport layer security (TLS).

New frozen rule format available for Property Manager users: v2023–09–20.