![]() With this release we're introducing a Smart CDN. Similarly for deleted images - the cache will continue serving the deleted image until the cache expires. If you update an image in S3, users will continue to see the old, stale image for one hour. This approach introduces the possibility of a “stale” image. This parameter is configurable (for example, you can make it one day, or one year). After this header expires, we re-check the origin (S3), to see if an image is still available. Our Basic CDN works by adding a 1-hour cache header to every request. We already provide a “basic” CDN for all projects (including Free-tier), so the important update here is some smarter cache invalidation whenever there are changes. Resizing images can get expensive, so before this release we knew we needed a better caching system. While in Beta, it is only enabled for Pro-tier and Enterprise customers. We support the contain, cover and fill modes.
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