This has been alluded to in a 5 year old comment from @clauswilke here.
To recap:
- They're obsolete, as title alignment can now be set using regular theme elements.
- Legend title alignment can currently be set in 4 (!) ways (same story for legend text):
theme(legend.title.align = ...)theme(legend.title = element_text(vjust = ..., hjust = ...)guide_legend(title.theme = element_text(hjust = ..., vjust = ...))guide_legend(title.hjust = ..., title.vjust = ...)
- They can only be used to control horizontal alignment and not even vertical alignment.
Arguably, we only need the theme(legend.title = ...) and guide_legend(title.theme = ...) solutions and can deprecate the guide_legend(title.hjust = ..., title.vjust = ...) settings as well as they're also redundant.
This has been alluded to in a 5 year old comment from @clauswilke here.
To recap:
theme(legend.title.align = ...)theme(legend.title = element_text(vjust = ..., hjust = ...)guide_legend(title.theme = element_text(hjust = ..., vjust = ...))guide_legend(title.hjust = ..., title.vjust = ...)Arguably, we only need the
theme(legend.title = ...)andguide_legend(title.theme = ...)solutions and can deprecate theguide_legend(title.hjust = ..., title.vjust = ...)settings as well as they're also redundant.