Ubuntu 26.10 changes how the system choose which processes are killed when memory runs low, making a rogue browser tab is less likely to punt you back to the login screen. When your system runs out of memory, the kernel’s out-of-memory (OOM) killer kicks in, terminating processes to recover some. The issue is that doesn’t always kill the right things. By default, many apps and critical desktop services share the same priority score. When the OOM killer is choosing its victim target, it looks at their OOM scores, not “what’s using the most memory”. Firefox and GNOME Shell, for example, […]