Hi ,Property Picker(and auto suggestions) in search forms use metadata fields defined in metadata schemas. If i define a new field in metadata schema that points to jcr:content/metadata/dummyField then this field will be visible in property picker for search form.Do note that if property is not visi...

nandand81957514​ Setting contentFragment value under jcr:content to false should revert asset to txt file from content fragment.To edit this asset again you will have to set contentFragment value to true again.

You can apply different schema when bulk editing from settings > select schema Feature available from AEM 6.3

Read permission on home/users should be sufficient to see and share with users.Can you check rep:policy for /content/dam/collections node ? For reference you can check dam-users group permission