This changelog was taken from upstream homepage.

v1.2
    A variety of accumulated fixes from several contributors. No longer uses
    deprecated strstream class.

v1.1
    Added even more Nikon tags (thanks to Jeremie Rostand for an initial list),
    as well as cleaning up some error handling. Also added fixes from Vladimir
    Kondratiev for cleaner compilation in gcc 3.

v1.0
    Largely re-engineered TIFF reading engine, and cleaned up output formatting
    logic somewhat. Added basic XML output as well as normal output format.
    Added support for new Nikon D100 Maker Data layout. Added a fair number of
    Exif 2.2 tags which were previously missing.

v0.6
    Added support (by Pat Tullman, thanks also to Jan Niehusmann) for Casio
    cameras. Some cleanup (thanks to Holm Sieber, and again to Geoff Kuenning).
    Also overhauled Exif finding in JPG files (Thanks to Geoff Kuenning and
    Jeremie Rostand for suggesting this and providing their solutions).

v0.5
    Added extra light-source type (Overcast) for Olympus D-510Z (thanks to Geoff
    Kuenning for the patch). Removed a number of compile warnings under more
    recent g++ versions too.

v0.4
    Added support (by Jan Brittenson) for some Canon cameras. (It's been tested
    against the Canon S100 and G1)

v0.3
    Added remainder of documented Olympus fields.

v0.2
    Removed uses of 'round()'.

v0.1
    First public release.