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Release 2.4.0 (#2040)
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araffin authored Nov 18, 2024
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11 changes: 4 additions & 7 deletions docs/misc/changelog.rst
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Changelog
==========

Release 2.4.0a11 (WIP)
Release 2.4.0 (2024-11-18)
--------------------------

**New algorithm: CrossQ in SB3 Contrib, Gymnasium v1.0 support**
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.. warning::

Stable-Baselines3 (SB3) v2.4.0 will be the last one supporting Python 3.8 (end of life in October 2024)
and PyTorch < 2.0.
We highly recommended you to upgrade to Python >= 3.9 and PyTorch >= 2.0.
and PyTorch < 2.3.
We highly recommended you to upgrade to Python >= 3.9 and PyTorch >= 2.3 (compatible with NumPy v2).


Breaking Changes:
^^^^^^^^^^^^^^^^^
- Increase minimum required version of Gymnasium to 0.29.1
- Increased minimum required version of Gymnasium to 0.29.1

New Features:
^^^^^^^^^^^^^
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- Updated dependencies for read the doc
- Removed unnecessary ``copy_obs_dict`` method for ``SubprocVecEnv``, remove the use of ordered dict and rename ``flatten_obs`` to ``stack_obs``

Bug Fixes:
^^^^^^^^^^

Documentation:
^^^^^^^^^^^^^^
- Updated PPO doc to recommend using CPU with ``MlpPolicy``
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2 changes: 1 addition & 1 deletion stable_baselines3/version.txt
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2.4.0a11
2.4.0

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