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# Description Removes the `NU_DISABLE_IR` option and some code related to evaluating blocks with the AST evaluator. Does not entirely remove the AST evaluator yet. We still have some dependencies on expression evaluation in a few minor places which will take a little bit of effort to fix. Also changes `debug profile` to always include instructions, because the output is a little confusing otherwise, and removes the different options for instructions/exprs. # User-Facing Changes - `NU_DISABLE_IR` no longer has any effect, and is removed. There is no way to use the AST evaluator. - `debug profile` no longer has `--exprs`, `--instructions` options. - `debug profile` lists `pc` and `instruction` columns by default now. # Tests + Formatting Eval tests fixed to only use IR. # After Submitting - [ ] release notes - [ ] finish removing AST evaluator, come up with solutions for the expression evaluation.
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.