@@ -5,6 +5,43 @@ All notable changes to this project will be documented in this file.
55The format is based on [ Keep a Changelog] ( https://keepachangelog.com/en/1.0.0/ ) ,
66and this project adheres to [ Semantic Versioning] ( https://semver.org/spec/v2.0.0.html ) .
77
8+ ## [ 4.0.1] - 2023-09-13
9+
10+ ### Added
11+
12+ - ` plot_message ` parameter in ` theme(...) ` [[ #863 ] ( https://github.com/JetBrains/lets-plot/issues/863 )] .
13+ See: [ example notebook] ( https://nbviewer.jupyter.org/github/JetBrains/lets-plot/blob/master/docs/f-23d/theme_plot_message.ipynb ) .
14+
15+
16+ - Add ` geom_count() ` /` stat_sum() ` [[ #821 ] ( https://github.com/JetBrains/lets-plot/issues/821 )] .
17+ See: [ example notebook] ( https://nbviewer.org/github/JetBrains/lets-plot/blob/master/docs/f-23d/geom_count.ipynb ) .
18+
19+ ### Changed
20+
21+ - If layer transparency is set via the alpha-channel in the colors RGBA specification and via the ` alpha ` aesthetic, \
22+ then the ` alpha ` aesthetic overrides the alpha-channel in the color. Previousely it was the opposite.
23+
24+
25+ - ` geom_pie() ` defaults:
26+ - "stroke" is visible and ` stroke_side='both' ` (was ` stroke_side='outer' ` ).
27+ - the "hole" is not created automatically when ` stroke_side = 'both'/'inner' ` (was created automatically).
28+
29+ - ` geom_bar() ` now has solid outline color by default (was transparent).
30+
31+ - ` geom_tile() ` , ` geom_bin2d() ` now have solid outline color by default (was transparent).
32+ - however, by default the ` size ` is 0 (i.e. tiles outline initially is not visible).
33+
34+
35+ ### Fixed
36+
37+ - ` geom_tile() ` , ` geom_bin2d() ` : the ` alpha ` aesthetic is applied to the tiles outline.
38+ - ` scale_x_datetime() ` : error building plot for early dates [[ #346 ] ( https://github.com/JetBrains/lets-plot/issues/346 )] .
39+ - ` geom_livemap() ` : theme/flavor plot background is not shown [[ #857 ] ( https://github.com/JetBrains/lets-plot/issues/857 )] .
40+ - ` geom_livemap() ` : in AWT dragging a map in a facet moves maps in all facets.
41+ - ` geom_livemap() ` : support rectangle 'linetype' [[ #307 ] ( https://github.com/JetBrains/lets-plot/issues/307 )] .
42+ - ` theme_void() ` + ` flavor_xxx() ` : no expected plot background [[ #858 ] ( https://github.com/JetBrains/lets-plot/issues/858 )] .
43+ - Inconsistent color in legend when using ` paint_a/paint_b/paint_c ` [[ #867 ] ( https://github.com/JetBrains/lets-plot/issues/867 )] .
44+
845## [ 4.0.0] - 2023-08-17
946
1047### Added
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