- N/A.
- Fix a problem with ggplot next release (thanks to @teunbrand).
- N/A.
- Fix a problem with checking R version in R-devel.
- N/A.
- Fix scale functions when aesthetics are specified (thanks to Alan O'Callaghan, https://github.com/Alanocallaghan)
- Remove deprecated dependencies.
- Fix CITATION issues.
- Fix check issues.
- N/A.
- Fix minor check warnings requested by CRAN.
- N/A.
- Include unemployment data in package to avoid CRAN check errors when original data is not accessible.
- Add 3 more color maps: mako, rocket, and turbo.
- Minor bug fixes and improvements here and there.