- Release 0.5.3 - "Photon" - 2013-08-28
* Move file name of image thumbnails to tooltip popup
* Add --disable-schemas-compile configure arg to
disable schema compilation
* Remove "Encoding" key from desktop file
* Fix massive memory leak in pixbuf loading
* Fix thread safety in camera control updates which caused
hangs in GTK
* Fix updating of control readonly state when camera modes
change

- Release 0.5.2 - "Graviton" - 2013-08-17
* Split histogram into RGB colour channels
* Fix aperture / shutter speed calculations in status bar
* Only import files with known image extensions
* Use case insensitive file extension check to detect raw files
* Set saner defaults for processing raw files to fix Canon
raw display
* Set preferences before loading session to fix settings
for initial image load
* Apply orientation from EXIF images if image file has none
* Remove left over debug prints
* Add support for linear histogram display mode
* Support 'h' key to toggle linear/log histogram mode
* Ensure all events are emitted in main thread
* Remove use of deprecated GDK thread APIs
* Use GtkGrid instead of deprecated GtkTable
* Ensure status bar is constant size when scaling image
* Preserve scrollbar offsets when switching images
* Make metadata extraction more robust wrt missing fields