The new versionHistory JSP can be found here - /libs/cq/gui/components/coral/common/admin/timeline/events/version/version.jsp The preview button invokes com.day.cq.wcm.core.impl.servlets.VersionPreviewServlet in AEM. 1673 TIMER_START{ResourceResolution} 1882 TIMER_END{208,ResourceResolution} URI=/mnt/overlay/wcm/core/content/sites/versionhistory/_jcr_content.txt resolves to Resource=MergedResource [path=/mnt/overlay/wcm/core/content/sites/versionhistory/jcr:content, resources=[/libs/wcm/core/con...

You can start with one Experience Fragment Template and call it as CaaS API template. It will have a single container where authors can drop the components and refer content fragments. You will have to do a discovery exercise to find out how many content fragment models you need to create. As the content fragment models will be derived from the different CaaS use cases in your project. Regarding your second question regarding using Sling models. Yes that will work as well but you should also thi...

Adobe uses Fastly CDN and it comes with DDOS protection. AEM as a Cloud Service also offers reliable protection against (distributed) denial-ofservice (DDoS) attacks on three different levels:• Edge filtering all non-HTTP/HTTPS traffic to block disruptive Layer 3 and Layer 4attacks• Protection against generic Layer 7 threats enforced by logic running on the CDNs cachenodes• Additional Layer 7 filtering throughout the network stack to mitigate AEM specificattack vectors For more details please se...

Adobe uses Fastly CDN with AEM as a Cloud service. You also have an option to use your own CDN if you already have one. In case you prefer to use your own CDN then the requests are just passed through Fastly without Fastly doing anything with your request,

If you plan to use MSM (Multi Site Manager) feature then there are certain best practices which you should follow while designing your content hierarchy. You can find those best practices here- https://experienceleague.adobe.com/docs/experience-manager-65/administering/introduction/msm.html?lang=en#live-copies Apart from the above you should keep in mind following things while designing your content hierarchy- 1. Create your hierarchy as per your site taxonomy. 2. If you have any pages which are...