1.5
Large images can now be saved as jpeg
Jpegs now have full 24-bit colour fading
Added more vector maths so slightly faster
Allow multithreads even when close to threshold pitch of very zoomed in fractals
Fixed occasional colour banding issue when colour cycling
Increased number of undos available
Quicker closing of app if closing whist still calculating
Aspect ratio maintained better when zooming
Adaptive maximum iterations so you shouldn't need to modify this as often
Misc GUI fixes
More rendering options (mainly binary modes)

1.4
Updated jpeg version to 9e

1.3 
High DPI support
Auto-updater added
Fix minor bugs with file open/save dialogs
Fix bad co-ordinate file

1.2
Zoom with mouse wheel
Jpeg support again
Large render-to-file added
More optimisations to render speed

1.1
Support for 64-bit
Support for SSE and AVX instructions
Now uses floats/doubles depending on how zoomed in
Better thread model
Optimised for mega-speed!
Better zooming in - more predictable speed
No Jpegs again though :-(

1.01
Specifiable number of threads to run
Save as jpeg now - much better than huge bitmaps!
window resize is neater
added stop button
fullscreen option at startup
WinXP style dialogs for XP users
Faster code

1.00
Initial Release