Version 18.09.0 (September 19, 2018)

• Legion
  • Support for physical tracing, which can provide up to 7x improvement in
    loops with very small tasks. Can be enabled in the mappers that
    inherit from DefaultMapper using -dm:memoize 1
• Realm
  • Assorted minor bug fixes
  • Support for development snapshots of GASNet-EX (using GASNet-1
    compatibility interfaces for now)
• Regent
  • Breaking change: Changed precendence of logical operators (and, or) to match that of
    Lua and Terra (or is now lower-precendence than and)
  • Full support for accessing sparse multi-dimensional regions
  • Initial support for incremental compilation. Enable with
    REGENT_INCREMENTAL=1
  • Changes to make compilation entirely deterministic
  • Multiple compilation speed improvements
  • Support for CUDA scalar reductions
  • Experimental support for parallel prefix operators, including CUDA
• Python
  • Support for defining methods as tasks
  • Support for passing futures to tasks and index tasks
  • Support for explicit return types on extern tasks
  • Improved support for Futures with encodings other than pickle