Version 6.09.07

• Added "errorband_x" and "errorband_y" to the plot types.
• Fixed a bug that the plot type "polygon_solid_fill" could not be drawn correctly when the plot type was logarithmic or reciprocal axis.
• Fixed a bug that some plotting functions could not draw correctly when logarithmic or reciprocal axis.
• Fixed a bug that "Save Data" sometimes terminated abnormally.
• Fixed a bug that dialog::button did not work correctly.
• Added -t and -C command option to ngp2.
• (Windows) Changed the compile environment of packages for 64 bit Windows to UCRT64.
• (macOS) Compiled with macOS Ventura.

Version 6.09.06

• Add bitwise operators to mathematical conversions.
• Add "fit_solve" function to mathematical conversion.
• Reorganize source package contents for easier cross-compilation.
• Zoom aspect ratio is set to 1 when only text or mark object is focused.
• Fix a bug that ruby plugin was not working on Ruby 3.0 or later.
• Fix a bug that spellcheck add-in is not available on Ruby 3.0 or later.
• (macOS) can be installed on Homebrew.

$ brew tap htrb/tap
$ brew install ngraph-gtk

Full Changelog: v6.09.05...v6.09.06

Version 6.09.05

• Added support for using the actual line width and color in the draft when creating a new legend or editing a part of it (semi-transparent display).
• Added support for using the actual drawing image when moving, enlarging, or reducing the selected object (semi-transparent display).
• Enabled to set the value of parameter object to the initial value at once.
• Added the ability to display the page setup dialog when creating a new graph.
• Changed the initial position of axes to match the paper size when creating a new graph.
• When creating a new graph, the size of the graph now follows the settings of the axis saved in "save as default (Graph)".
• When creating a new axis, some settings now follow the settings of the axis saved in "save as default (Graph)".
• The "Legend text default" dialog was reorganized.
• Added "Axis grid default" dialog.
• Improved the design of the page setup dialog.
• Added "wide display (16:10)" and "Executive" to the paper selection of the page setup dialog.
• Fixed a bug that the orientation of the paper for printing was wrong when "normal display", "wide display" or "Custom" was selected in the paper selection of the Page Setup dialog.
• Fixed a bug that the update flag of the graph was not set when the position or length of the axis was changed in the setting dialog of frame graph, grid graph, and intersection graph.
• Fixed a bug that the direction of the axis and text was wrong when performing operations such as zooming in, zooming out, rotating, and flipping when the direction of the axis and text was between 180 degrees and 270 degrees.
• Fixed a bug that when an error message was displayed during data drawing, drawing could not be performed properly.
• Fixed a bug where adding or deleting a font alias was not reflected in the font setting combo box when selecting an object.
• (macOS) Compiled under macOS Monterey.

Version 6.09.04

• Added the ability to select a dark theme.
• When dragging and dropping ngp files, the folder of the ngp file is now the current folder.
• The axis name is always used to specify and display the axis in the GUI.
• Returned to the original folder when canceled in the read graph dialog.
• GtkFileChooserButton is now used to specify the expand folder in the graph loading dialog.
• The destination of merge file now follows the specification of the expansion folder.
• (macOS) Fixed a bug where drag and drop of files was not accepted anymore (GTK).

Version 6.09.03

• check a circular reference of an axis.
• drop GtkSourcevie-3 support.

Version 6.09.02

Fix crashes when using "Fxxnn" type parameters in a mathematical transformation.

Version 6.09.01

fix the failure of the demonstration.

Version 6.09.00

Supports comma as a decimal separator.

• The decimal point symbol can be selected from "period" or "comma" in "Graph"-"Page setup".
  • When the decimal point symbol is selected as "period (.)", only the period is recognized as the decimal point symbol in the data file.
  • When the decimal point symbol is "comma (,)", both the comma and the period are recognized as the decimal point symbol in a data file.
• The following drawing depend on the setting of the decimal point symbol.
  • Axis scale numbering
  • Legend text formatting with %pf
  • The printf and related functions and conversion of numbers to strings in a formula conversion.
• The default value of the decimal point symbol can be specified in "Preference"-"Miscellaneous".
  • If the default value is "locale", it will be selected according to the system language setting.

Version 6.08.09

stack smashing on some architectures are fixed.

Version 6.08.08

support touch screen gestures.