Hi all, We are pleased to announce the release of 3.5.3. This is the third bug fix release of the 3.5.x series. Pre-built wheels are available for most major platforms, and can be installed using `pip install matplotlib==3.5.3`. Other packages may also be available already; please check with your preferred source. We thank the 20 authors for the 66 pull requests that comprise the 3.5.3 release. This release contains several bug-fixes and adjustments: * Fix alignment of over/under symbols * Fix bugs in colorbars: o alpha of extensions o |drawedges=True| with extensions o handling of |panchor=False| * Fix builds on Cygwin and IBM i * Fix contour labels in |SubFigure|s * Fix cursor output: o for |imshow| with all negative values o when using |BoundaryNorm| * Fix interactivity in IPython/Jupyter * Fix NaN handling in |errorbar| * Fix NumPy conversion from AstroPy unit arrays * Fix positional /markerfmt/ passed to |stem| * Fix unpickling: o crash loading in a separate process o incorrect DPI when HiDPI screens For further details, please see the Release notes for Matplotlib 3.5.3: https://matplotlib.org/3.5.3/users/release_notes.html#version-3-5 and the milestone on GitHub: https://github.com/matplotlib/matplotlib/milestone/71?closed=1 Note for packagers: This release pins setuptools-scm to be <7. This is due to an incompatibility with setuptools-scm-git-archive. However, the release is compatible with setuptools-scm 7 and you may remove the pin if you wish, but you should also remove the setuptools-scm-git-archive depenency as well. Please see the following PR for further details and a patch: https://github.com/matplotlib/matplotlib/pull/23387 This release is signed by my GPG key, which is also used to sign this email. The fingerprint is: 23CA B59E 3332 F94D 26BE F037 8D86 E7FA E5EB 0C10