We would like a folder structure for Target Audience list to organize large number of segments.

The search function in Adobe Target is very limited. It doesn't dynamically search as you type and it cannot do a string of text unless it's exact.

  Need the ability to give users read-only access within workspaces

Need the ability to build audience segments in AAM and select which ones go to the  Target destination

You may only have 100 profile scripts in one Target Instance

Target Standard created an extra step that wasn’t in Target Classic.  Target Classic allowed for editing of HTML offers within the campaign (activity). In Standard, you need to exit the activity and go into a different section to search for and edit your offers.

When utilizing A4T, the user may only select ONE report suite to push the data to. As an example, this makes reporting by device a bit more convoluted as segments will be needed to cut the data in such a way.

Inability to create more than one Target Instance within an Org ID. For Example, if we have multiple business units or regions under one org ID, we would like to have a target instance for each business unit - North America Org ID - which includes, US, Canada, Mexico - each of these regions should h...

When utilizing A4T as a reporting source, users are unable to apply Target Goal Settings. ie. Bar from entry; allow re-entry; keep user in activity etc.  

Since A4T data collection is done server side as opposed to client side, we are unable to see the variables fire within the debugger - makes for QA-ing our impression and clicks tags impossible.