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Lets-Plot v2.5.1 Release Notes

• ➕ Added

  • geom_text(), geom_label():

    • the 'newline' character (\n) now works as line break ([#605])
    • lineheight aesthetic ([#324])
    • nudge_x, nudge_y parameters ([#324])
    • special text alignments (vjust and hjust): "inward" and "outward" ([#324])

  See: example notebook.

  • vjust parameter in position_stack() and position_fill() [#323].

  See: example notebook.

  • use_crs parameter in geom_map() and other geoms, working with GeoDataFrame

  See: example notebook.

  • geom_imshow() (former geom_image()):

    • extent parameter

    See: example notebook.

    • vmin, vmax, cmap parameters

    See: example notebook.

  • image_matrix():

    • vmin, vmax, cmap parameters

    See: example notebook.

  🔄 Changed

  • geom_image() renamed to geom_imshow()

  See updated examples: image 101, Fisher's boat.

  • 0️⃣ geom_boxplot(): default value for parameter whisker_width is 0.5.

  • ⬆️ Upgraded Kotlin version to 1.7.20 (was 1.6.21).

  🛠 Fixed

  • element_blank() has no effect in theme legend_title [#608].
  • 👍 geom_livemap(): add support of geom_label parameters [#601].
  • Tooltip: different formats for same aesthetic Y [#579].
  • Positioning with "constant" x/y doesn't work on axis with log10 transform [#618].
  • Positional "constant" doesn't honor axis limits [#619].
  • Parameter norm in geom_imshow().
  • Several issues leading to crush in Swing/Batik apps. Related to [discussions]
  • Text labels got trimmed occasionally, when symbols -, /, \ or | present.
  • 🔒 geom_livemap() doesn't load vector tiles inside iframe with certain security policies.

Previous changes from v2.5.0

• ➕ Added

  • 🆕 New theme: theme_bw() [#554].

  See: example notebook.

  • Color schemes (flavors) applicable to existing themes:
    • flavor_darcula()
    • flavor_solarized_light()
    • flavor_solarized_dark()
    • flavor_high_contrast_light()
    • flavor_high_contrast_dark()

  See: example notebook.

  • Viridis color scales: scale_color_viridis(), scale_fill_viridis().

  See: example notebook.

  • 🆕 New parameters in element_text() [#562]:

    • size, family (example notebook)
    • hjust, vjust for plot title, subtitle, caption, legend and axis titles (example notebook)
    • margin for plot title, subtitle, caption, axis titles and tick labels (example notebook)

  • The 'newline' character (\n) now works as line break in axis title.

  See: example notebook.

  • Parameter whisker_width in geom_boxplot() [#549].

  See: example notebook.

  • 🆕 New geometry geom_label() [#557].

  See: example notebook.

  • Auto-detection of Databricks and NextJournal environments [#602].

  • 🐧 Python wheels for manylinux arm64 architecture [#581].

  🔄 Changed

  • 🆕 New tooltip style after applying coord_flip() [#580].

  See: example notebook.

  • ⬆️ In Lets-Plot for Java/Swing, Apache Batik upgraded to v.1.15 [#604]

  🛠 Fixed

  • Density and area geoms: preserve the z-order when grouping [#552].
  • 👍 Allow to import all 'bistro' functions just by '*' [#551].
  • 0️⃣ Boxplot, violin, crossbar: position dodge width=0.95 should be used by default [#553].
  • Tooltip is shown not for the nearest object [#574].
  • Tooltip is not displayed for the object on the plots border [#575].
  • The plot caption overlaps with the legend [#587].
  • Unclear size unit of width [#589].
  • 📄 Specify size units in docstrings [#597].
  • No tooltips for geom_boxplot with zero height [#563].
  • geom_text: wrong label alignment with hjust 0 and 1 [#592].
  • Error when using lets-plot in streamlit [#595].
  • 📚 Documentation for the breaks parameter in scales [#507].

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