Prevents certain browser events from reaching official ChatGPT code. Otherwise, with chat history turned off, the conversation may be reset after 10 min of inactivity or even spontaneously while being active. The script is designed to only affect official ChatGPT code and to avoid interfering with other userscripts or browser extensions.
If you're using Greasemonkey in Firefox, see this discussion.
Notable facts for other developers (2023-10-05):
staleTime:6e5 or, prettified, staleTime: 600000 (10 min).v4-2023-04-27 can be seen whenever a reset occurs. Searching for this in the official code with the dev tools revealed a code location that, when halted on, had an association to a focus event in its stack trace. This focus event really is a combination of multiple browser events, though.