pip install hydra-core --upgrade Happy composing! Let us know in the comments if you have found the 1.2 resolver syntax tricky—I will be writing a deep dive on that next week.
April 14, 2026 Category: Developer Tools / MLOps hydra 1.2
If you have ever tried to manage a massive Python configuration file full of nested dictionaries, you know the pain. That is why the open-source community fell in love with (from Facebook Research). It allows you to compose dynamic configurations from multiple files and override anything from the command line. pip install hydra-core --upgrade Happy composing
This change allows for better type checking and allows you to run Hydra inside Jupyter Notebooks (finally!) without weird hacks. Yes, but carefully. If you are starting a new project today, use Hydra 1.2 . The new composition rules and Jupyter support are worth it. That is why the open-source community fell in
Last week, the team released , and it is not just a minor patch—it changes how we think about configuration composition.