[ferenz]

Previously, everything was fine until the changed navigation ... Gather bot

There's nothing that's changed that would cause navigation to fail now. I've been running the bot on every mesh imaginable for the previous 48 hours and if anything it now performs better on some meshes that it had navigation problems on before. Perhaps you should post your mesh and the map info so that someone else can independently verify these problems. Also, if you enable random pathing, the bot is going to run to the left or right of the optimal path, creating what you're calling "zig zagging". If you don't want that to happen then just untick randomize paths and use the optimal path instead. You can't have it both ways.