Are these bugs or not?

https://codeigniter4.github.io/CodeIgniter4/extending/events.html#event-points

• pre_system Called very early during system execution. Only the benchmark and events class have been loaded at this point. No routing or other processes have happened.
• post_system Called after the final rendered page is sent to the browser, at the end of system execution after the finalized data is sent to the browser.