--------------------
Fixed
^^^^^
- Failure when getting parameters from a class created with
``class_from_function`` from a ``classmethod`` without parameter types (`454
<https://github.com/omni-us/jsonargparse/issues/454>`__).
- Subsubcommand parse failing when ``default_env=True`` (`465
<https://github.com/omni-us/jsonargparse/issues/465>`__).
- Optional callable that returns a class instance with a lambda default,
produces an invalid string default.
- dataclass single parameter change incorrectly resetting previous values (`464
<https://github.com/omni-us/jsonargparse/issues/464>`__).
- Add function signature failing when conditionally calling different functions
(`467 <https://github.com/omni-us/jsonargparse/issues/467>`__).