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# Description Makes `polars unpivot` use the same arguments as `polars pivot` and makes it consistent with the polars' rust api. Additionally, support for the polar's streaming engine has been exposed on eager dataframes. Previously, it would only work with lazy dataframes. # User-Facing Changes * `polars unpivot` argument `--columns`|`-c` has been renamed to `--index`|`-i` * `polars unpivot` argument `--values`|`-v` has been renamed to `--on`|`-o` * `polars unpivot` short argument for `--streamable` is now `-t` to make it consistent with `polars pivot`. It was made `-t` for `polars pivot` because `-s` is short for `--short`
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.