With this version there are is a set of breaking changes change that must be considered when upgrading from a version before 11.1.
Mediahandler
In digizuite DAM 5.10 the transcode system has change DC 5.10 Breaking changes - Transcode system. What that means for the DFS connector is that, when requesting rendition that hadn’t been generated yet a fallback image will be returned and the statuscode is 202 (Accepted). The fallback image is of type svg and controlled by Digizuite. Once the rendition is ready in Digizuite is will be served to the mediahandler in Sitecore.
Resizing
The logic when resizing in the mediahandler has changed. In the previous version the resizing was done in code, first we downloaded the image into memory and resized the image. In this version the rezising har moved to Digizuite. We now call a new endpoint at Digizuite that handles the resizing. This also means that if the excact resized rendition requested hadn’t been generated yet a fallback image will be returned, as the above section.