You may click on "folder icon" the lab page or directly go to the link https://expleague.azureedge.net/labs/L767/resources.zip

I think if you create experience fragment with core components or develop your components using ComponentExporter, it should provide all the content in JSON format. Refer Enabling JSON Export for a Component  for details.

You need to create new configuration and apply the configuration on your project.1. Go to AEM > Tools > Configuration Browser2. Create  > Select ContextHub SegmentsThis will fix your first issue - In Audience section , you should be able to see your own project name as well.To fix the second issue ,...

@Rama FYI , AEM 6.4 has got new UI for Workflows , I will suggest you to have a quick look.

I think you should be able to trigger workflow from Angular UI Refer Interacting with Workflows Programmatically

You can refer following doc for supported formats Assets Supported Formats AFAIK , WebP is not supported OOTB.

In case you are using AEM 6.4 , Run AEM with dynamicmedia_scene7 runmode.

Use dynamicmedia_scene7 runmode to start AEM 6.4I think you can refer to /conf/global/settings/dam/ for image profiles /conf/global/settings/dam/imageserver for imageserver settings.     Refer doc for more detail Configuring Dynamic Media - Scene7 mode

ContextHub on page will load a few more js but the performance lag shouldn't be much visible. Could you please share some more information on this issue.Are you trying with custom contexthub store and modules ? If yes can you try with existing stores /modules on we-retail as well ?How many component...

sreenivasula​ I think you can use Client Context  instead of ContextHub to leverage personalisation feature.ContextHub is new version of client context in recent versions of AEM.