Moves Signal connect() and disconnect() tracebacks under a dev flag. The remaining debug.traceback() calls will all immediately throw an error, so there's no point in calling them conditionally.
Coverage decreased (-0.7%) to 98.507% when pulling 47e39c1f908a6120a5226f3c0a524a7ec49f2887 on jkelaty-rbx:dev-mode-connect-traceback into a5002a39d94b17494d3481a9aae1583490b96aee on Roblox:master.
Moves Signal connect() and disconnect() tracebacks under a dev flag. The remaining debug.traceback() calls will all immediately throw an error, so there's no point in calling them conditionally.