* New ability to include velocities when creating an OPS trajectory from an MDTraj trajectory
* New default colors in visualizations (better visibility for the most common type of color blindness)
* Significant updates to the documentation
* Major improvements in Python 3 support
* Critical bug fix in the direct MD flux calculation
* Critical bug fix in two-way shooting
Details on all improvements below.
New features
* Add velocities as input to `trajectory_from_mdtraj` (750)
* Tools for converting flux to `pandas` structures (735)
Bugs fixed
* Allow unicode for string options in engine option check (757)
* Fix bug in `BackwardFirstTwoWayShooting` (752)
* Fix problem with `HistogramPlotter2D` limits (732)
* Fix bug in `snapshot.md box_vectors` (731)
* Fix bug in `DirectSimulation` flux (726)
Miscellaneous improvements
* Default path tree colors are better for color-blind (733)
* Improvements to documentation (751, 748, 744, 737, 729, 723)
* Improved Python 3 compatibility (743, 741, 739, 738)
* Improvements to examples (746, 743, 719 [by bolhuis])
* Behind-the-scenes upates to CI, testing, and deployment (758, 749, 747, 745, 742)
* Dev install for simple developer installs (728)
* Code readability updates (724)