- New `parallel_use_psexec` command-line Windows-specific option for parallel local clusters: when `true` (the default), use `psexec` to spawn processes; when `false`, use `start` (!1843)
- The `xls_sheet` option now takes a quoted string as value. The former unquoted syntax is still accepted, but no longer recommended (preprocessor#67)
- :warning: minimal required MATLAB version is now R2014a (8.3) (#1713)
- :warning: 32-bit support has been dropped under Windows (#1713)