That's Spotlight, and it's become decreasingly useful over the years, including for the flaws you mention. People seem to be relying on 3rd party replacements.
‹digression›
Even those aren't helping me much at the moment because in my current macOS, system-global shortcuts — whether builtin, provide by an application, or configured by me — stop working after random uptime until I reboot.
Finder's a ruddy liar, though, happy to tell me 2+ GiB free, then apps unable to save a 16 KiB file because not enough disc space. Allegedly, macOS counts tosh like video screensavers and HEIC desktop images that aren't in-use and came from Apple as "free space", and should auto delete them if space is needed, but I've yet to see it do so. Instead, I'm left manually telling Steam to delete hundreds of MiB just to store that 16 KiB file…
. o O ( Yes, I'll be getting an external SSD. )
‹/digression›
That's Spotlight, and it's become decreasingly useful over the years, including for the flaws you mention. People seem to be relying on 3rd party replacements.
‹digression› Even those aren't helping me much at the moment because in my current macOS, system-global shortcuts — whether builtin, provide by an application, or configured by me — stop working after random uptime until I reboot.
Finder's a ruddy liar, though, happy to tell me 2+ GiB free, then apps unable to save a 16 KiB file because not enough disc space. Allegedly, macOS counts tosh like video screensavers and HEIC desktop images that aren't in-use and came from Apple as "free space", and should auto delete them if space is needed, but I've yet to see it do so. Instead, I'm left manually telling Steam to delete hundreds of MiB just to store that 16 KiB file… . o O ( Yes, I'll be getting an external SSD. ) ‹/digression›