* Homotopy with `extended_path` at `order=0` is broken (bug fixed in 6ed90b3dbff232e26122a8eeba2da7faf6a9c770)
* The command line option `parallel_use_psexec` will be ignored (bug fixed in 4fa6101456fa5b0cc141f34234b1568d78384ba2)
* With the `bytecode` option of `model` block, using the operators `abs()`, `cbrt()` and `sign()` will lead to a crash (bug fixed in 1622c74a53623aedb0bcfc2f958310aaa8a9efd2)
* With the `use_dll` option of `model` block, the expression `sign(x)` evaluates to ±1 instead of 0 if `x=0` (bug fixed in preprocessor@b1e4884237376fdce06265b7f96fb63e0bd8b224)