There are quite a number of enhancements and new things in this
patch. Here are a few noteworthy ones: 
      
        - Fixed bug where copying to swap and copying alpha to swap
didn't refresh layers panel.
 
        - Basic painting with internal brushes/default mode falls
back to simple model of internal engine.  Now supports painting
with alpha.
 
        - Optimized inner loop of simple model (internal brushes).
 
        - Optimized large model (internal brushes) so that opacity
for paper, brush, and alpha is done with one calculation.
 
        - Minor code cleanup.
 
        - bug fix:  Couldn't shrink a window with "Ctrl -" when
the program first started because scale wasn't initialized.
 
        - Added SmudgeStick filter
plugin.
 
        - removed titlebar refresh while drawing.
 
        - Added option for mouse
caching.  Should help with segmenting on older/slower
systems.
 
        - Made a number of changes to the mouse handling system,
reworking the stroke recorder to better work with the caching system,
and general cleanup.
 
        - Made a small adjustment to dynamic range compensation, so
it ignores image borders, since convolution operations often leave
incorrect borders.
 
        - added 'cold lava' plugin
 
        - When resizing buffer, Brush settings panel was accounted
for when it wasn't visible.
 
        - Added support for pressure
to stroke recorder.
 
        - Made sobel filter faster
 
        - Added color sobel filter
 
        - Merging layers didn't clear the merge layers checkbox after
merging, even though mixing was turned off.
 
        - Added Quilt plugin
 
         
        - added Error diffusion
plugin
 
         
        - Fixed mosaic to center the blocks.  made a bit faster
 
       
Come back soon to see some illustrations and images too. 
       
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