Found the following significant warnings:
  Rd warning: geom_arrow.Rd:183: missing link ‘aes_position’
  Rd warning: geom_arrow.Rd:184: missing link ‘aes_position’
  Rd warning: geom_arrow.Rd:185: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow.Rd:189: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow.Rd:190: missing link ‘aes_group_order’
  Rd warning: geom_arrow.Rd:191: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow.Rd:192: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_chain.Rd:181: missing link ‘aes_position’
  Rd warning: geom_arrow_chain.Rd:182: missing link ‘aes_position’
  Rd warning: geom_arrow_chain.Rd:183: missing link ‘aes_position’
  Rd warning: geom_arrow_chain.Rd:184: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_chain.Rd:188: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_chain.Rd:189: missing link ‘aes_group_order’
  Rd warning: geom_arrow_chain.Rd:190: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_chain.Rd:191: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_curve.Rd:196: missing link ‘aes_position’
  Rd warning: geom_arrow_curve.Rd:197: missing link ‘aes_position’
  Rd warning: geom_arrow_curve.Rd:198: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_curve.Rd:202: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_curve.Rd:203: missing link ‘aes_group_order’
  Rd warning: geom_arrow_curve.Rd:204: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_curve.Rd:205: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_segment.Rd:182: missing link ‘aes_position’
  Rd warning: geom_arrow_segment.Rd:183: missing link ‘aes_position’
  Rd warning: geom_arrow_segment.Rd:184: missing link ‘aes_position’
  Rd warning: geom_arrow_segment.Rd:185: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_segment.Rd:189: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_arrow_segment.Rd:190: missing link ‘aes_group_order’
  Rd warning: geom_arrow_segment.Rd:191: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_arrow_segment.Rd:192: missing link ‘aes_linetype_size_shape’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/ggarrow.Rcheck/00install.out’ for details.