There are limits to the amount of funnels that can be created.
Mastery members can create 25 total Funnels with 10 active...2 variations and 5 pages per variation.
University members can create 10 total with 3 active.....1 variation and 2 pages per variation.
Prior to the change if one exceeded the limit they would still have access to those funnels. As for any upgrades or if additional funnels will be allowed, we are not sure at this time.
With the new S1 variable this lessens the need for as many funnels. If you have not checked that out yet, there is training under the marketing strategies > funnelizer for this.