Fmpy

- `FIXED` compilation of platform binary on Windows 32-bit
- `IMPROVED` support for FMI 3.0 Alpha 1
- `IMPROVED` output interval can now be set in the GUI
- `IMPROVED` output interval is now calculated based on stepSize attribute

- `FIXED` leading spaces in dependency list are now handled correctly
- `FIXED` input files with only one sample can now be handled
- `IMPROVED` errors during cleanup of temporary directories are now ignored
- `IMPROVED` "Relative Tolerance" input field is now enabled for Co-Simulation FMUs
- `IMPROVED` compilation of source code FMUs is now more robust
- `IMPROVED` combinations of causality and variability are now validated
- `IMPROVED` assertions for required start values have been added
- `IMPROVED` assertions for unique variable names have been added

- `FIXED` set start values before entering initialization mode
- `NEW` experimental FMI 3.0 support
- `NEW` FMI Cross-Check validation scripts to validate FMUs and results
- `IMPROVED` handling of reference signals with duplicate sample times

- `FIXED` handling of discrete inputs
- `FIXED` set continuous states after solver step
- `NEW` set tunable parameters via input
- `IMPROVED` disable inactive root warnings for CVode
- `IMPROVED` error and log messages
- `IMPROVED` plotting of discrete signals

A holiday release with bug fixes and improvements.

**NOTE**: Conda-Forge has [dropped support for Windows 32-bit](https://github.com/conda-forge/staged-recipes/issues/5640), so v0.2.7 is the last release that can be installed via conda on Windows 32-bit.

- `FIXED` Handle optional elements in ScalarVariable tag
- `FIXED` Handle null pointers in FMI logging
- `FIXED` Relax type of attribute "version" in fmiModelDescription.xsd to "normalizedString"
- `FIXED` Fix size of memory passed to fmi2DeSerializeFMUstate()
- `NEW` Validate modelDescription.outputs
- `NEW` Add compilation with Visual Studio 2017
- `NEW` Add missing attributes to ScalarVariable and validate derivatives and units
- `NEW` Change input extrapolation to "hold"

- `FIXED` Test files are now downloaded form GitHub
- `FIXED` Compilation of model exchange FMUs works now
- `NEW` --relative-tolerance parameter is now passed to FMI 2.0 co-simulation FMUs
- `NEW` Platform binary can now be compiled from within the GUI (Help > Compile Platform Binary)