M365 Change Tracker

← All changes · api-change

API changebeta

Added the vapidPublicKey property to the subscription resource.

3 added
Added vapidPublicKey, webPushEncryptionP256dhPublicKey, write

Added the vapidPublicKey property to the subscription resource. Specifies the application server's VAPID public key (RFC 8292) used to bind a Web Push subscription to a server identity. Added the webPushEncryptionP256dhPublicKey property to the subscription resource. Specifies the subscriber's ECDH public key used to derive the per-message content encryption key for RFC 8291 Web Push payload encryption. Added the write-only webPushEncryptionSecret property to the subscription resource. Specifies the subscriber's auth secret used as the HMAC-SHA-256 salt for HKDF key derivation in RFC 8291 Web Push payload encryption.

Source last updated 2026-07-08

Affected: Microsoft Graph, Change notifications

Related changes

Change history

2026-08-24 · First captured by tracker

View at Microsoft →