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The canvas, the gradient chips and the SVG, PDF, EPS and EMF writers mixed freeform points in display RGB, while Object > Expand and Create Gradient Mesh mixed them in the model the points share. Points that are all CMYK, Gray, Lab or RGB now mix in that model in those places too. Points in different models mix as before: in display RGB, and on ink planes as the inks of each point. This changes how existing art looks: - CMYK and Lab points. With the default Generic CMYK working space and no ink planes, halfway between C100 and K100 the canvas drew (17, 106, 139) and now draws (54, 118, 143). - RGB points in a working RGB space other than sRGB mix in that space. - On ink planes (a CMYK document that shows transparency), RGB and Lab points mix first and then separate. Gray mixes keep their values, and CMYK and Gray points on ink planes draw as before. RGB points in an sRGB working space draw as before except on ink planes. - PDF and EPS write a gradient whose points are all CMYK, or all Gray in a CMYK file, as a CMYK image. PDF's Output settings convert it as they convert any CMYK image. - Darkening applies to the points before they mix. - With Appearance of Black set to Rich, the canvas mixes a gradient with a pure CMYK black point in display RGB, and the point fades from RGB black.