I have Refind 0.11.2 installed at /Volumes/ESP/EFI/BOOT. My main system is macOS 10.13.1, and I have a Windows 10 and Ubuntu partitions.
Refind had been working very well so far (apart from the occasional boot coups after macOS updates), but today when trying to boot to my other partitions, it remains stuck on the "Scanning for bootloaders" message for 15+ minutes.
I tried running refind-install again and it completes without error. I also replaced my (slightly custom) configuration by the provided refind.conf-sample.
I am still able to access my macOS partition by keeping alt pressed when booting.