You are lucky, what I get from that plugin is:
(whether I try to call it in a script or use File/Export in the UI)
Now, I can't even find a HEIC image to download to attempt to open it.
Code:
/app/lib/gimp/2.0/plug-ins/file-heif/file-heif: fatal error: Segmentation fault
Terminating plug-in: '/app/lib/gimp/2.0/plug-ins/file-heif/file-heif'
(whether I try to call it in a script or use File/Export in the UI)
Now, I can't even find a HEIC image to download to attempt to open it.