The unfortunate thing is not that Microsoft recently update Team Sites to 1TB of storage but it hasn’t as yet brought the ability to sync Team Sites to the Next Gen sync client.
You can find all the details on the Next Gen Sync client here:
Meet the OneDrive for Business Next Generation Sync Client
Getting Started wit the OneDrive for Business Generation Sync Client in Windows
Deploying the OneDrive for Business Next Generation Sync Client in an enterprise environment
This inability to sync Team Sites is causing a lot of frustration in the field and the inability to sync Team Sites has recently been announced in the roadmap map, but for many it can’t come soon enough.
If you want to do something more than simply shake with rage about this and other issues you are experiencing with the sync client I suggest you visit the OneDrive User Voice:
https://onedrive.uservoice.com/
and vote up the items you want given priority. Also don’t be shy about leaving a comment as to the impact this is having for your business.
If you want the new sync client to support Team Sites then throw as much of your votes here:
Once you voted, pass the link onto others and get them to vote.
This is the most effective method of effecting change with the Next Gen sync client because just being frustrated doesn’t. You need to take action to effect change.
So if you want to fix the Next Gen Sync client, take action and encourage others to do the same. Vote,comment and then share this post.