REL: v3.0.1 This is the first bug fix release for the 3.0 series which fixes several - Fix failure to import bug when used with backend-fallback on Python 3.6.7 and 3.7.1 - Fixed a number of failure to import bugs around finding fonts - Fix Qt4 backend - Fix bug on OSX that recursively searched current directory for fonts - Fix bouncing-rocket on OSX when doing backend fallback and not selecting OSX - Temporarily restore several private APIs to unbreak cartopy - Make pyplot more tolerant of varying signatures in 3rd-party sub-classe - Improve datetime64 unit handling - Fixed several poor interactions with tight_layout