ggridges 0.4.1
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- Skip vdiffr visual tests when compiling on CRAN

ggridges 0.4.0
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- Initial import of code base from ggjoy, and renaming:
  geom_joy -> geom_density_ridges
  stat_joy -> stat_density_ridges
  theme_joy -> theme_ridges

ggjoy 0.3.0.9000
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- Added an option to center axis labels to `theme_joy()`.

ggjoy 0.3.0
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- Added cyclical scales that make it easy to alternate between fill colors
  and other aesthetics.

ggjoy 0.2.0
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Numerous improvements:
- New stat `binline` that can be used to draw histogram joyplots.
- Various improvements in `stat_joy`. In particular, it now works properly
  with multiple panels. It also now has parameters `from` and `to` to limit the
  range of density estimation, just like `density()`.
- Improvements in the vignettes
- New geoms `geom_ridgeline_gradient` and `geom_joy_gradient` that can handle gradient fills.

ggjoy 0.1.0
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First complete implementation ready for initial release
