# What's new in Jekyll 4?

**URL:** <https://talk.jekyllrb.com/t/whats-new-in-jekyll-4/3286>\
**Category:** Share\
**Created:** [September 4, 2019, 5:24pm UTC](https://talk.jekyllrb.com/t/whats-new-in-jekyll-4/3286 "2019-09-04T17:24:47Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mikeneumegen](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.jekyllrb.com/mikeneumegen/32/823_2.png) [@mikeneumegen](https://talk.jekyllrb.com/u/mikeneumegen)\
**Post date:** [September 4, 2019, 5:24pm UTC](https://talk.jekyllrb.com/t/whats-new-in-jekyll-4/3286/1 "2019-09-04T17:24:47Z")

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Hey Jekyllers,

We just released a post of all the awesome new things in Jekyll 4 - [https://cloudcannon.com/jekyll/2019/09/03/whats-new-jekyll-4/](https://cloudcannon.com/jekyll/2019/09/03/whats-new-jekyll-4/). Did I miss anything?

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**Author:** ![ashmaroli](https://avatars.discourse-cdn.com/v4/letter/a/df705f/32.png) [@ashmaroli](https://talk.jekyllrb.com/u/ashmaroli)\
**Post date:** [September 8, 2019, 7:36am UTC](https://talk.jekyllrb.com/t/whats-new-in-jekyll-4/3286/2 "2019-09-08T07:36:37Z")

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First of all, a huge thanks for Cloud Cannon’s continuing patronage.

> [@mikeneumegen](#):
>
> Did I miss anything?

- Gemfile, its lockfile, `node_modules/` and certain subdirectories inside `vendor/` are always excluded from the build irrespective of the `exclude:` configuration at source. Power users will have to explicitly `include` a path (or glob) if they wish to include certain file(s) from within those directories.
- `jekyll-sass-converter-2.0.0` (and higher) which is installed along with Jekyll 4.0 generates sourcemaps for the Sass partials by default.
- Theme developers can now bundle a `_config.yml` in their gems to provide theme-specific configuration. (New users need not have to copy those settings from the theme’s source repository unless they wish to override those settings)

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**Author:** ![lexoyo](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.jekyllrb.com/lexoyo/32/1850_2.png) [@lexoyo](https://talk.jekyllrb.com/u/lexoyo)\
**Post date:** [September 28, 2019, 12:20pm UTC](https://talk.jekyllrb.com/t/whats-new-in-jekyll-4/3286/3 "2019-09-28T12:20:38Z")

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Nice article !  
And thx for sponsoring 🙂