Transmission

I shut it down, edited the file, and started it back up. Same result. It writes the file on startup.

I had exactly the same problem here, but I fixed it.

If the router's firmware can handle 60 conns but it is having trouble at 14, then maybe you are looking in the wrong direction.

I found that my ISP had begun employing traffic shaping when it saw a certain number of upload connections. The ...

I tried editing settings.json and found that the client was re-writing the file at startup to reset the upload-slots-per-torrent value back to 14.

You may want to check and see if the setting you made stuck in your config file.

I had to build the program from scratch to make it stop doing this.

The default setting of 14 upload slots per torrent is just too many for some routers. It is also high enough to trigger traffic shaping on some ISP's because that many upload connections makes it look like you are running a server.

The 14 connections were causing other applications on the same ...