This is the second release candidate for Matplotlib 3.4.0.

This is the first release candidate for Matplotlib 3.4.0.

This is the fourth bugfix release of the 3.3.x series.

This release contains several critical bug-fixes:

• Fix WebAgg initialization.
• Fix parsing QT_API setting with mixed case.
• Fix build with link-time optimization disabled in environment.
• Fix test compatibility with NumPy 1.20.
• Fix test compatibility with pytest 6.2.

This is the third bugfix release of the 3.3.x series.

This release contains several critical bug-fixes:

• Fix calls to Axis.grid with argument visible=True.
• Fix fully masked imshow.
• Fix inconsistent color mapping in scatter for 3D plots.
• Fix notebook/nbAgg figures when used with ipywidgets in the same cell.
• Fix notebook/nbAgg/WebAgg on older (e.g., Firefox ESR) browsers.
• Fix pcolormesh with datetime coordinates.
• Fix performance regression with datetimes.
• Fix singular ticks with small log ranges.
• Fix timers/animations on wx and notebook backends.
• Remove certifi as a hard runtime dependency.

This is the second bugfix release of the 3.3.x series.

This release contains several critical bug-fixes:

• fix Axis scale on twinned Axes
• fix auto-close of Figures in nbagg
• fix automatic title placement if Axes is off the Figure
• fix autoranging of log scales with barstacked histogram
• fix extra redraws when using Button or TextBox widgets
• fix imshow with LogNorm and large vmin/vmax ranges
• fix plotting Pandas DataFrame with string MultiIndex
• fix scatter with marker=''
• fix scatter3d color/linewidth re-projection
• fix state of mode buttons in TkAgg backends
• include license files in built distribution
• reduce Visual C++ runtime requirements on Windows

This is the first bugfix release of the 3.3.x series.

This release contains several critical bug-fixes:

• fix docstring import issues when running Python with optimization
• fix hist with categorical data, such as with Pandas
• fix install on BSD systems
• fix nbagg compatibility with Chrome 84+
• fix ordering of scatter marker size in 3D plots
• fix performance regression when plotting Paths
• fix reading from URL in imread
• fix several regressions with new date epoch handling
• fix some bad constrained and tight layout interactions with colorbars
• fix use of customized toolbars in TkAgg and WXAgg backends

Highlights of this release include:

• Provisional API for composing semantic axes layouts from text or nested lists
• New Axes.sharex, Axes.sharey methods
• Turbo colormap
• colors.BoundaryNorm supports extend keyword argument
• Text color for legend labels
• Pcolor and Pcolormesh now accept shading='nearest' and 'auto'
• Allow tick formatters to be set with str or function inputs
• New Axes.axline method
• Dates use a modern epoch
• Improved font weight detection
• Axes3D no longer distorts the 3D plot to match the 2D aspect ratio
• More consistent toolbar behavior across backends
• Toolbar icons are now styled for dark themes
• Cursor text now uses a number of significant digits matching pointing precision
• Functions to compute a Path's size
• savefig() gained a backend keyword argument
• Saving SVG now supports adding metadata
• Saving PDF metadata via PGF now consistent with PDF backend
• NbAgg and WebAgg no longer use jQuery & jQuery UI

For the full details please see the What's New and API changes in the documentation.

This is the second bugfix release of the 3.2.x series.

This release contains several critical bug-fixes:

• support fractional HiDPI scaling with Qt backends
• support new Python and fix syntax errors in legacy Python
• support new Qt 5 and fix support for Qt 4
• fix animation writer fallback
• fix figure resizing
• fix handling of large arcs
• fix issues with tight layout
• fix saving figures after closing windows or under certain size conditions
• fix scatter when specifying a single color
• fix several memory leaks
• fix unexpected autoscaling behavior
• fix various issues with usetex
• various minor bug and documentation fixes

This is the first bugfix release of the 3.2.x series.

This release contains several critical bug-fixes:

• fix Quiver.set_UVC calls with scalar inputs
• fix bezier.get_parallels failure from floating point rounding errors
• fix markers specified as tuples (polygons, stars, or asterisks)
• fix saving PNGs to file objects in some places
• fix saving figures using the nbAgg/notebook backend
• fix saving with tight layout using the PGF backend
• fix setting custom datapath in rcParams (note: it is still deprecated)
• fix various issues running setup.py in non-CI environments
• fix xpdf distiller
• various minor bug and documentation fixes