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Changelog

All significant changes to this project will be documented here.

Unreleased

  • Add support for Python 3.10.

1.5

Release date: 2021-07-12

  • Add an AutoResetEnvironment that calls reset for you if the previous step was the last step.

1.4

Release date: 2021-02-12

  • Dropped support for Python versions < 3.6.

1.3

Release date: 2020-10-30

  • Added a StringArray spec subclass for representing arrays of variable- length strings.
  • Added a check to enforce that minimum <= maximum for BoundedArray.

1.2

Release date: 2019-11-12

Changed

  • test_utils.EnvironmentTestMixin can now be used to validate implementations of dm_env.Environment where actions, observations, rewards and/or discounts are arbitrary nested structures containing numpy arrays or scalars.

1.1

Release date: 2019-08-12

Added

  • Specs now have a replace method that can be used to create a new instance with some of the attributes replaced (similar to namedtuple._replace).

Changed

  • The BoundedArray constructor now casts minimum and maximum so that their dtypes match that of the spec instance.

1.0

Release date: 2019-07-18

  • Initial release.