Comment 5 for bug 2042857

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Michael Schumacher (schumaml) wrote :

The messages

"Opening '[...].HEIC' failed: Unknown file type"

 and

"The given filename does not have any known file extension. Please enter a known file extension or select a file format from the file format list."

indicate that the file-heif plug-in of GIMP hasn't registered the file type and common file name extension, so GIMP doesn't know about them.

The file lists for the GIMP packages from https://packages.ubuntu.com/mantic/gimp shows that the plug-in is supposed to be packaged, so it seems to have been built.

Could be that something is preventing it from running when GIMP starts up - this is when plug-ins are queried about e.g. what file type they are supposed to handle.

When you run GIMP from a terminal window, are there any interesting error messages?