R/type_violin.R Adjust single-group fill default so theme palettes can drive fill via resolved border color. R/type_ridge.R Respect top-level col, add col.default fallback for single-group ridge outlines, and robustly resolve theme palettes to colors. R/type_histogram.R Removes hard-coded single-group border default (but see review comment about by/null_by handling). R/type_boxplot.R Adjust single-group fill default so theme palettes can drive fill via resolved border color. R/type_barplot.R Adjust single-group fill default so theme palettes can drive fill via resolved border color. R/tpar.R Document, register, validate, and initialize new col.default tpar option. R/tinytheme.R Introduce “no-black” palette variants and set per-theme col.default / palette tweaks to separate single vs grouped defaults. R/by_aesthetics.R Add col.default hook for single-group color resolution and make single-group fills track resolved border color for selected types. NEWS.md Document new single- vs multi-group default color behavior and theme palette adjustments. man/type_ridge.Rd Update docs to explain ridge outline color precedence and col.default fallback chain. man/tpar.Rd Document col.default. inst/tinytest/test-type_ridge.R Update/extend snapshot coverage for ridge gradient cases and outline color overrides. inst/tinytest/test-tinytheme.R Add snapshot loop for single-group plots across all built-in themes. inst/tinytest/_tinysnapshot/tinytheme_single_web.svg New snapshot for single-group default under web. inst/tinytest/_tinysnapshot/tinytheme_single_void.svg New snapshot for single-group default under void. inst/tinytest/_tinysnapshot/tinytheme_single_ridge2.svg New snapshot for single-group default under ridge2. inst/tinytest/_tinysnapshot/tinytheme_single_ridge.svg New snapshot for single-group default under ridge. inst/tinytest/_tinysnapshot/tinytheme_single_nber.svg New snapshot for single-group default under nber. inst/tinytest/_tinysnapshot/tinytheme_single_minimal.svg New snapshot for single-group default under minimal. inst/tinytest/_tinysnapshot/tinytheme_single_ipsum2.svg New snapshot for single-group default under ipsum2. inst/tinytest/_tinysnapshot/tinytheme_single_ipsum.svg New snapshot for single-group default under ipsum. inst/tinytest/_tinysnapshot/tinytheme_single_float.svg New snapshot for single-group default under float. inst/tinytest/_tinysnapshot/tinytheme_single_dynamic.svg New snapshot for single-group default under dynamic. inst/tinytest/_tinysnapshot/tinytheme_single_default.svg New snapshot for single-group default under default. inst/tinytest/_tinysnapshot/tinytheme_single_dark.svg New snapshot for single-group default under dark. inst/tinytest/_tinysnapshot/tinytheme_single_clean2.svg New snapshot for single-group default under clean2. inst/tinytest/_tinysnapshot/tinytheme_single_clean.svg New snapshot for single-group default under clean. inst/tinytest/_tinysnapshot/tinytheme_single_classic.svg New snapshot for single-group default under classic. inst/tinytest/_tinysnapshot/tinytheme_single_broadsheet.svg New snapshot for single-group default under broadsheet. inst/tinytest/_tinysnapshot/tinytheme_single_basic.svg New snapshot for single-group default under basic. inst/tinytest/_tinysnapshot/tinytheme_minimal.svg Update snapshot to reflect new grouped palette behavior under minimal. inst/tinytest/_tinysnapshot/tinytheme_linedraw.svg Update snapshot to reflect new grouped palette behavior under linedraw. inst/tinytest/_tinysnapshot/tinytheme_ipsum2.svg Update snapshot to reflect new grouped palette behavior under ipsum2. inst/tinytest/_tinysnapshot/tinytheme_classic.svg Update snapshot to reflect new grouped palette behavior under classic. inst/tinytest/_tinysnapshot/tinytheme_bw.svg Update snapshot to reflect new grouped palette behavior under bw. inst/tinytest/_tinysnapshot/tinytheme_broadsheet.svg Update snapshot to reflect new grouped palette behavior under broadsheet.