= Enzo Changelog = == Version 2.1.1 == _Release date - Oct 27, 2011_ * Enhancement: Test suite is now fully operational. See run/README for more details. * Enhancement: The “must refine” region can move with a user-defined, time-dependent refine region (parameter RefineRegionFile and refinement option 12) * Bugfix: Enzo now compiles with HDF5 v1.6.x (Michael Kuhlen) * Bugfix: User-defined time-dependent refine region now works with code time (David Collins) * Bugfix: Photon timesteps no longer go to tiny numbers (~1e-20) in certain situations when using the HII-restricted timestepping algortihm. == Version 2.1.0 == _Release date - Oct 17, 2011_ * New feature: Isotropic and anisotropic heat conduction * New feature: X-ray ionization and heating * New feature: Massive black hole particles * New feature: Testing suite * New feature: Shock tracking * New feature: Distributed stellar feedback across multiple cells * Enhancement: Improved molecular hydrogen chemistry at high densities * Enhancement: Fourth-order accurate gravity solver * Enhancement: HDF5 based hierarchy file (off by default) * Enhancement: Dust cooling -- Molecular hydrogen formation on dust grains * Enhancement: Time-dependent Lyman-Werner radiation backgrounds * Enhancement: Type Ia SNe and planetary nebulae feedback * Enhancement: HLLC and HLL Riemann solvers for HD (HydroMethod=0) * Enhancement: HLLD Riemann solver for MHD * Enhancement: Improved inline analysis with yt * Enhancement: Simplifed multi-mesh cosmological initial conditions with inits. * Enhancement: Improved and expanded documentation * Performance improvement: Load balancing on a space-filling curve * Performance improvement: Parallel ray tracing * Performance improvement: Ray tracing load balancing * Changed all FORTRAN files to .F instead of .src to remove the pre-processing step. * Various bugfixes over the past year.