A huge  number of tweaks and bugfixes. New options:
smarttabs. To see what they do, refer to the docs.
Many thanks to our awesome contributors who participated in this release: Wolfgang Kluge, Josh Perez, Ben Blank, Rob Friesel, Matt, Nicholas Zakas, dionyziz, Ed Lui, Felix Gnass, Tom Rix, Dominic Barnes, Nick Goris, Nicolas Ferrero, Ron DeVera, Sean Carpenter, shahyar, Aparajita Fishman, ckknight, Jakub Suder and Dylan Smith.
 — Since it's been a few months this release is too big to summarzie. Future releases will be smaller and easier to summarize.