I use graphModifier to modity the tag of the recast graph because I want to define different types of terrain such as glass or water.But I found when I use NavmeshCut the tag of the whole graph will be lost.I use tiles to build the graph and I think navmeshCut should only change the data of the tile which it belongs instead of the whole graph. I think navmeshCut and tag are both important func to build a map and they should work with each other in a better way.