message: Update the outdated parts of README
diff: @@ -82,18 +82,24 @@ fn main() -> hdf5::Result<()> {
  ### Platforms
  -`hdf5` crate is known to run on these platforms: Linux, macOS, Windows (tested on Travis
  -CI and AppVeyor, HDF5 1.8 and 1.10, system installations and conda environments).
  +`hdf5` crate is known to run on these platforms: Linux, macOS, Windows (tested on:
  +Ubuntu 16.04, 18.04, and 20.04; Windows Server 2019 with both MSVC and GNU
  +toolchains; macOS Catalina).
  ### Rust
  -`hdf5` crate is tested continuously for all three official release channels, and requires
  -a modern Rust compiler (e.g. of version 1.40 or later).
  +`hdf5` crate is tested continuously for all three official release channels, and
  +requires a reasonably recent Rust compiler (e.g. of version 1.40 or newer).
  ### HDF5
  Required HDF5 version is 1.8.4 or newer. The library doesn't have to be built with
  -threadsafe option enabled.
  +threadsafe option enabled in order to make the user code threadsafe.
  +
  +Various HDF5 installation options are supported and tested: via package managers
  +like homebrew and apt; system-wide installations on Windows; conda installations
  +from both the official channels and conda-forge. On Linux and macOS, both OpenMPI
  +and MPICH parallel builds are supported and tested.
  The HDF5 C library can also be built from source and linked in statically by
  enabling `hdf5-sys/static` feature (CMake required).
  