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Release notes

  • Apr 2026

    Section titled “Apr 2026”
    • feature

      New traffic and security controls

      Section titled “New traffic and security controls”

      This release introduces more granular control over the headers and security protocols of your distribution.

      • Strip response cookies: Enable the stripResponseCookies flag to remove Set-Cookie headers from origin responses. This prevents sensitive session data from leaking via the CDN, which is ideal for static content distributions.
      • Request Host header forwarding: Use the forwardHostHeader feature to pass the original client Host header through to your origin.
      • TLS 1.0 and 1.1 controls: Support for TLS 1.0 and 1.1 is now disabled by default to ensure high security. You can now explicitly enable these versions in your configuration if legacy clients must be supported.

      These features are currently available via the API and SDK. Support for Terraform and the Portal will be added in a future update.

    • announcement

      Image Optimizer is now available in STACKIT Content Delivery Network (CDN)

      Section titled “Image Optimizer is now available in STACKIT Content Delivery Network (CDN)”

      The STACKIT CDN Image Optimizer enhances your loading times and reduces bandwidth consumption automatically—without any manual code adjustments. The feature is now available via the Portal, API, and Terraform Provider.

      Highlights:

      • WebP conversion: Automatically uses efficient image formats for faster loading times with no loss in quality.
      • Smart resizing: Images are optimized to fit the user’s specific device.
      • Dynamic image API: Real-time image transformations directly via URL.
      • Code minification: JS and CSS files are automatically compressed to accelerate delivery.

      Image Optimizer is pre-configured to guarantee the perfect balance between performance and image quality.

      If you have any questions, feel free to contact us via support ticket.

  • Dec 2025

    Section titled “Dec 2025”
    • announcement

      STACKIT CDN general availability

      Section titled “STACKIT CDN general availability”

      We are delighted to announce the general availability of our new STACKIT Content Delivery Network (CDN) service.

      This product significantly speeds up your content loading times while increasing global availability and security.

      Key features:

      • Easy to use for STACKIT customers
      • Fast and stable content delivery through massive distribution
      • Region selection: Choose regions where your content will be distributed
      • Security features: Enhanced protection with features such as Web Application Firewall (WAF)

      For more information and detailed documentation, visit our documentation article.

      Our Help Center is always at your disposal if you have any questions.

  • Nov 2025

    Section titled “Nov 2025”
    • announcement

      STACKIT Content Delivery Network (CDN) now available in beta

      Section titled “STACKIT Content Delivery Network (CDN) now available in beta”

      From 6 May 2025 we can offer you a new service STACKIT Content Delivery Network (CDN). This is now available as a beta version and offers you the possibility to deliver your content and data with low latency and high bandwidth.

      STACKIT CDN key features:

      • Easy to use for STACKIT customers
      • Fast and stable provision of content through massive distribution
      • Regions: Customers are able to select regions where the content will be distributed
      • Custom domains: Customers are able to create custom domains, during beta up to three, without uploading their own certificate

      If you have any questions, please feel free to contact us via Support ticket

    • feature

      Web Application Firewall is now available in STACKIT CDN

      Section titled “Web Application Firewall is now available in STACKIT CDN”

      We are happy to announce the implementation of our new feature Web Application Firewall (WAF) in STACKIT CDN and STACKIT Portal.

      Increase your security by turning the WAF on and choose between two modes which fits best to your use case:

      • Block: Block and log incoming messages that were caught by the WAF
      • Log: Log incoming messages that were caught by the WAF without blocking

      Logged messages are accessible via STACKIT CDN Logs.

      For more information and detailed documentation, please visit our WAF documentation.

      Our Help Center is always at your disposal if you have any questions.