Updates before 2022
The following table describes the important changes made to CloudFront documentation before 2022.
| Change | Description | Date |
|---|---|---|
|
New feature |
CloudFront adds support for response headers policies, which allow you to specify the HTTP headers that CloudFront adds to HTTP responses that it sends to viewers (web browsers or other clients). You can specify the desired headers (and their values) without making any changes to the origin or writing any code. For more information, see Adding or removing HTTP headers in CloudFront responses. |
November 2, 2021 |
|
New |
CloudFront adds support for a new header, |
October 25, 2021 |
|
Lambda@Edge supports new runtime version |
Lambda@Edge now supports Lambda functions with the Python 3.9 runtime. For more information, see Supported runtimes. |
September 22, 2021 |
|
CloudFront updated the CloudFrontReadOnlyAccess policy. For more information, see CloudFront updates to Amazon managed policies. |
September 8, 2021 |
|
|
New feature |
CloudFront now supports ECDSA certificates for viewer-facing HTTPS connections. For more information, see Supported protocols and ciphers between viewers and CloudFront and Requirements for using SSL/TLS certificates with CloudFront. |
July 14, 2021 |
|
New feature |
CloudFront now supports more ways to move an alternate domain name from one distribution to another, without contacting Amazon Web Services Support. For more information, see Moving an alternate domain name to a different distribution. |
July 7, 2021 |
|
New security policy |
CloudFront now supports a new security policy, TLSv1.2_2021, with a smaller set of supported ciphers. For more information, see Supported protocols and ciphers between viewers and CloudFront. |
June 23, 2021 |
|
New feature |
Amazon CloudFront now supports CloudFront Functions, a native feature of CloudFront that enables you to write lightweight functions in JavaScript for high-scale, latency-sensitive CDN customizations. For more information, see Customizing at the edge with CloudFront Functions. |
May 3, 2021 |
|
Lambda@Edge supports newer runtime versions |
Lambda@Edge now supports Lambda functions with the Node.js 14 runtime. For more information, see Supported runtimes. |
April 29, 2021 |
|
Remove documentation for RTMP distributions |
Amazon CloudFront deprecated real-time
messaging protocol (RTMP) distributions on December 31, 2020. |
February 10, 2021 |
|
New pricing option |
Amazon CloudFront introduces the CloudFront security savings
bundle, a simple way to save up to 30% on the CloudFront charges on your
Amazon bill. For more information, see the Savings Bundle FAQs |
February 5, 2021 |
|
New tutorial |
The Amazon CloudFront Developer Guide now includes a tutorial for using Amazon CloudFront to restrict access to an Application Load Balancer in Elastic Load Balancing. For more information, see Restricting access to Application Load Balancers. |
December 18, 2020 |
|
New option for public key management |
CloudFront now supports public key management for signed URLs and signed cookies through the CloudFront console and API, without requiring access to the Amazon account root user. For more information, see Specifying the signers that can create signed URLs and signed cookies. |
October 22, 2020 |
|
New feature – Origin Shield |
CloudFront now supports CloudFront Origin Shield, an additional layer in the CloudFront caching infrastructure that helps to minimize your origin’s load, improve its availability, and reduce its operating costs. For more information, see Using Amazon CloudFront Origin Shield. |
October 20, 2020 |
|
New compression format |
CloudFront now supports the Brotli compression formation when you configure CloudFront to
compress objects at CloudFront edge locations. You can also configure CloudFront to cache Brotli
objects using a normalized |
September 14, 2020 |
|
New TLS protocol |
CloudFront now supports the TLS 1.3 protocol for HTTPS connections between viewers and CloudFront distributions. TLS 1.3 is enabled by default in all CloudFront security policies. For more information, see Supported protocols and ciphers between viewers and CloudFront. |
September 3, 2020 |
|
New real-time logs |
CloudFront now supports configurable real-time logs. With real-time logs, you can get information about requests made to a distribution in real time. You can use real-time logs to monitor, analyze, and take action based on content delivery performance. For more information, see Real-time logs. |
August 31, 2020 |
|
API support for additional metrics |
CloudFront now supports enabling eight additional real-time metrics with the CloudFront API. For more information, see Turning on additional metrics. |
August 28, 2020 |
|
New CloudFront HTTP headers |
CloudFront added additional HTTP headers for determining information about the viewer such as device type, geographic location, and more. For more information, see Adding CloudFront request headers. |
July 23, 2020 |
|
New feature |
CloudFront now supports cache policies and origin request polices, which give you more granular control over the cache key and origin requests for your CloudFront distributions. For more information, see Working with policies. |
July 22, 2020 |
|
New security policy |
CloudFront now supports a new security policy, TLSv1.2_2019, with a smaller set of supported ciphers. For more information, see Supported protocols and ciphers between viewers and CloudFront. |
July 8, 2020 |
|
New settings to control origin timeouts and attempts |
CloudFront added new settings that control origin timeouts and attempts. For more information, see Controlling origin timeouts and attempts. |
June 5, 2020 |
|
New documentation for getting started with CloudFront by creating a secure static website |
Get started with CloudFront by creating a secure static website using Amazon S3, CloudFront, Lambda@Edge, and more, all deployed with Amazon CloudFormation. For more information, see Getting started with a secure static website. |
June 2, 2020 |
|
Lambda@Edge supports newer runtime versions |
Lambda@Edge now supports Lambda functions with the Node.js 12 and Python 3.8 runtimes. For more information, see Supported runtimes. |
February 27, 2020 |
|
New real-time metrics in CloudWatch |
Amazon CloudFront now offers eight additional real-time metrics in Amazon CloudWatch. For more information, see Turning on additional CloudFront distribution metrics. |
December 19, 2019 |
|
New fields in access logs |
CloudFront adds seven new fields to access logs. For more information, see Standard log file fields. |
December 12, 2019 |
|
Amazon WordPress plugin |
You can use the Amazon WordPress plugin to provide visitors to your WordPress website an accelerated viewing experience using CloudFront. (Update: as of September 30, 2022, the Amazon for WordPress plugin is deprecated.) |
October 30, 2019 |
|
Tag-based and resource-level IAM permissions policies |
CloudFront now supports two additional ways of specifying IAM permission policies: tag-based and resource-level policy permissions. For more information, see Managing Access to Resources. |
August 8, 2019 |
|
Support for Python programming language |
You can now use the Python programming language to develop functions in Lambda@Edge, in addition to Node.js. For example functions that cover a variety of scenarios, see Lambda@Edge Example Functions. |
August 1, 2019 |
|
Updated monitoring graphs |
Content updates to describe new ways for you to monitor Lambda functions associated with your CloudFront distributions directly from the CloudFront console to more easily track and debug errors. For more information, see Monitoring CloudFront. |
June 20, 2019 |
|
Consolidated security content |
A new Security chapter consolidates information about CloudFront's features around and implementation of data protection, IAM, logging, compliance, and more. For more information, see Security. |
May 24, 2019 |
|
Domain validation is now required |
CloudFront now requires that you use an SSL certificate to verify that you have permission to use an alternate domain name with a distribution. For more information, see Using Alternate Domain Names and HTTPS. |
April 9, 2019 |
|
Updated PDF filename |
The new filename for the Amazon CloudFront Developer Guide is: AmazonCloudFront_DevGuide. The previous name was: cf-dg. |
January 7, 2019 |
|
New features |
CloudFront now supports WebSocket, a TCP-based protocol that is useful when you need long-lived connections between clients and servers. You can also now set up CloudFront with origin failover for scenarios that require high availability. For more information, see Using WebSocket with CloudFront Distributions and Optimizing High Availability with CloudFront Origin Failover. |
November 20, 2018 |
|
New feature |
CloudFront now supports detailed error logging for HTTP requests that run Lambda functions. You can store the logs in CloudWatch and use them to help troubleshoot HTTP 5xx errors when your function returns an invalid response. For more information, see CloudWatch Metrics and CloudWatch Logs for Lambda Functions. |
October 8, 2018 |
|
New feature |
You can now opt to have Lambda@Edge expose the body in a request for writable HTTP methods (POST, PUT, DELETE, and so on), so that you can access it in your Lambda function. You can choose read-only access, or you can specify that you’ll replace the body. For more information, see Accessing the Request Body by Choosing the Include Body Option. |
August 14, 2018 |
|
New feature |
CloudFront now supports serving content compressed by using brotli or other compression algorithms, in addition to or instead of gzip. For more information, see Serving Compressed Files. |
July 25, 2018 |
|
Reorganization |
The Amazon CloudFront Developer Guide has been reorganized to simplify finding related content, and to improve scanability and navigation. |
June 28, 2018 |
|
New Feature |
Lambda@Edge now enables you to further customize the delivery of content stored in an Amazon S3 bucket, by allowing you to access additional headers, including custom headers, within origin-facing events. For more information, see these examples showing personalization of content based on viewer location and viewer device type. |
March 20, 2018 |
|
New Feature |
You can now use Amazon CloudFront to negotiate HTTPS connections to origins using Elliptic Curve Digital Signature Algorithm (ECDSA). ECDSA uses smaller keys that are faster, yet, just as secure, as the older RSA algorithm. For more information, see Supported SSL/TLS Protocols and Ciphers for Communication Between CloudFront and Your Origin and About RSA and ECDSA Ciphers. |
March 15, 2018 |
|
New Feature |
Lambda@Edge enables you to customize error responses from your origin, by allowing you to execute Lambda functions in response to HTTP errors that Amazon CloudFront receives from your origin. For more information, see these examples showing redirects to another location and response generation with 200 status code (OK). |
December 21, 2017 |
|
New Feature |
A new CloudFront capability, field-level encryption, helps you to further enhance the security of sensitive data, like credit card numbers or personally identifiable information (PII) like social security numbers. For more information, see Using field-level encryption to help protect sensitive data. |
December 14, 2017 |
|
Doc history archived |
Older doc history was archived. |
December, 2017 |