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* Added: Python 3 is now supported (Issues 744, 745, 780, 788, 811, 814)
* Added: The code-block's language attribute is now optional (Issue 823)
* Added: Inkscape 1.x is now supported by the inkscape extension (Issue 821)
* Added: Units can now be specified in spaceBefore/spaceAfter for stylesheets (Issue 754)
* Added: Frame padding can now be specified in stylesheets (Issue 753)
* Changed: Migrated from svg2rlg to svglib, which is maintained and supports python 3 (Issue 745)
* Changed: We now use docutils math directive instead of rst2pdf's (Issue 722)
* Fixed: Internal links now work when using ReportLab 3.5.19+ (Issue 772)
* Removed: Support Psyco has been removed (Issue 756)
* Removed: Support for PythonMagick, GFX and SWFTools has been removed (Issue 756)