Okay, so I know I already reported this to Randomouscrap and Lumage in the chat, but I'm posting it here as I've found more details and so that people don't report it again.
Priority: Low Browser: Microsoft Edge 2x OS: Windows 10 (before and after November Update) Device: Hewlett-Packard Stream 7 (Intel Atom processor, 32GB storage, 1GB RAM) Description: If you're on a low RAM device on Windows 10 (using MS Edge) and you attempt to multitask with tabs, you will be disconnected with the console error "The connection was rejected or terminated by the server". Cause: (constructive criticism) Poor site scripting, slow host performance, poor MSHTML memory usage.