- macro processor: allow for the definition of a variable without a value
- dragonfly: add new field to `options_.parallel_info`
- fix lookbehind to handle `-` sign in substitution of dates in native statements
- remove support for weekly dates
- dragonfly: support ProgramConfig config file option
- dragonfly: support ProgramPath config file option
- add undocumented `gui` option to preprocessor
- occbin: support occbin tags in equation tags, add occbin_likelihood and occbin_smoother as options to estimation
- make loop variables const
- Combine `DynareMain.cc` and `DynareMain2.cc`