(! means necessary / blocker for releasing v3)
# General changes:
! Update all files with new license info
# Github:
! Update branch names on Github (rc3 -> v3)
# Website:
! Update website:
o Finalize changelog
o Post announcement
o Update installation instructions
o Update news
o Update code samples of DMRG and contraction on the main page
o Remove " ITensor version 3 has not been released yet. This documentation is a preview only."
! Send email
# Final Release Checks
! Fresh install with new options.mk file compiles
! Jenkins is passing
! All sample codes compile and run and are up to date