Photosounder

Live Synthesis mode added, it makes any change to the image heard instantly with no interruption
Cursor-controlled playback
Option to dump/save live synthesis output to an audio file
Image rotation has been changed to make the image keep the same dimensions, can be applied on individual layers in multi-layer images
Layers and groups of layers can be disabled
Fixed layer list in menu in the Mac version to display more than just the names of the layers
Various bug fixes, improvements and optimisations

History/Scripting function: All actions done in Photosounder are saved to a human-readable history file (history.pha) which when opened redoes every action. It also allows for writing elaborate scripts interpreted by Photosounder.
Resume Last Session function
Option to suspend processing
Waits for synthesis to complete before saving sound to file
Changed the windows compiler, more optimisations, larger address space
4/4 rhythm overlay
Semitone overlay
Constant Time Resolution Analysis option
Linear knob control option
Added option to only view/edit/hear the current group of layers
Optional History menu to set history recording options
Fixed freeze when checking for updates (Windows)
logfile.txt always created in the Photosounder folder (Windows)
Fixed freezes on certain Macs
Added new View menu
Fixed crash in Group to Nearest Semitone
Made Escape key not quit but select the cursor instead
Remembers window size and tool size and intensity
Asks to save before opening a new file
Made drawing smoother, Gamma and Intensity knobs much more responsive
Improved harmonics drawing
Menus extend to the side when they reach the bottom of the screen (Windows)
Improved behavior of left/right arrow keys
Extended support for high precision slow mouse movement
Changed which layer is selected after a Merge Down operation

* New convolution/propagation blending modes
* New layer intensity knob
* New Fill to Left and Bottom, Horizontal/Vertical Normalisation and Horizontal/Vertical Curves operations to manipulate horizontal and vertical envelopes
* Layers can all be merged into one new layer
* Gamma knob has real-time preview
* Fixed spray tool offset issues
* Fixed minor bugs

* New "road roller" tool for smart erasure
* Faster (optimised) spray tools