# Elm-review 2.3.0 - "Just try it out"

**URL:** <https://discourse.elm-lang.org/t/elm-review-2-3-0-just-try-it-out/6260>\
**Category:** Show and Tell\
**Created:** [September 8, 2020, 11:05am UTC](https://discourse.elm-lang.org/t/elm-review-2-3-0-just-try-it-out/6260 "2020-09-08T11:05:17Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jfmengels](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.elm-lang.org/jfmengels/32/3124_2.png) [@jfmengels](https://discourse.elm-lang.org/u/jfmengels)\
**Post date:** [September 8, 2020, 11:05am UTC](https://discourse.elm-lang.org/t/elm-review-2-3-0-just-try-it-out/6260/1 "2020-09-08T11:05:17Z")

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This is an exciting release for `elm-review`, for both the CLI and the Elm package!

Highlights:

- Running elm-review without configuring it
- Being able to select which rules to run
- Performance improvements thanks to elm-serialize
- Having access to more data when running a rule
- New rule to detect unused arguments of custom type constructors

> **[2.3.0 - Just try it out](https://jfmengels.net/2.3.0-just-try-it-out/)**
>
> This is going to be another simultaneous release for both the CLI and the Elm package. Both bring what I think are very exciting features. Let’s start by…

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**Author:** ![MartinS](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.elm-lang.org/martins/32/3137_2.png) [@MartinS](https://discourse.elm-lang.org/u/MartinS)\
**Post date:** [September 8, 2020, 3:23pm UTC](https://discourse.elm-lang.org/t/elm-review-2-3-0-just-try-it-out/6260/2 "2020-09-08T15:23:36Z")

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I’m looking forward to trying this out. Having `withModuleNameLookupTable` seems quite handy. Previously I’ve just written rules with the assumption that the user won’t do anything unusual with module imports but now the rules I make can be more robust.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex035/uploads/elm_lang/original/1X/50a05e53677a2c3b47776d7abd0f113eb50193a1.png) [@system](https://discourse.elm-lang.org/u/system)\
**Post date:** [September 18, 2020, 3:23pm UTC](https://discourse.elm-lang.org/t/elm-review-2-3-0-just-try-it-out/6260/3 "2020-09-18T15:23:44Z")

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