Add Jekyll 3.3 release post

site/_posts/2016-10-03-jekyll-3-3-0-released.markdown

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+---
+layout: news_item
+title: 'Jekyll 3.3 is here with better theme support, new URL filters, and tons more'
+date: 2016-10-03 17:08:38 -0700
+author: parkr
+version: 3.3.0
+categories: [release]
+---
+
+We have tons of new features for you in our latest release of Jekyll. Three
+key things you might want to give a whirl:
+
+### 1. Themes can now ship static & dynamic assets in an `/assets` directory
+
+We're really stoked about this one. In Jekyll 3.2, we shipped the ability
+to use a theme that was packaged as a gem. Due to security necessities and
+ease-of-use concerns, this initial ship only included support for includes,
+layouts, and sass partials. A theme couldn't write any CSS, JavaScript, or
+content to your site.
+
+In an effort to make theme management a bit easier, any files you put into
+`/assets` in your theme will be read in as though they were part of the
+user's site. This means you can ship SCSS and CoffeeScript, images and
+webfonts, JSON and other data. Same rules apply here as in a Jekyll site:
+if it has YAML front matter, it will be converted and renderd. No YAML
+front matter, and it will simply be copied over like a static asset. Neat,
+huh?
+
+See our [documentation on the subject](/docs/assets#assets-directory) for
+more info.
+
+### 2. `relative_url` and `absolute_url` filters
+
+Want a clean way to prepend the `baseurl` or `url` in your config? These
+new filters have you covered. When working locally, if you set your
+`baseurl` to match your deployment environment, say `baseurl: "/myproject"`,
+then `relative_url` will ensure that this baseurl is prepended to anything
+you pass it:
+
+{% highlight liquid %}
+{% raw %}
+{{ "/docs/assets/" | relative_url }} => /myproject/docs/assets
+{% endraw %}
+{% endhighlight %}
+
+A result of `relative_url` will safely always yield a link which is
+relative to the domain root. A similar principle applies to `absolute_url`.
+It prepends your `baseurl` and `url` values, making absolute URL's all the
+easier to make:
+
+{% highlight liquid %}
+{% raw %}
+{{ "/docs/assets/" | absolute_url }} => http://jekyllrb.com/myproject/docs/assets
+{% endraw %}
+{% endhighlight %}
+
+### 3. `site.url` is set by the development server
+
+When you run `jekyll serve` locally, it starts a web server, usually at
+`http://localhost:4000`, that you use to preview your site during
+development. If you are using the new `absolute_url` filter, or using
+`site.url` anywhere, you have probably had to create a development config
+which resets the `url` value to point to `http://localhost:4000`.
+
+No longer! When you run `jekyll serve`, Jekyll will build your site with
+the value of the `host`, `port`, and SSL-related options. This defaults to
+`url: http://localhost:4000`. When you are developing locally, `site.url`
+will yield `http://localhost:4000`.
+
+Note that this only applies when `JEKYLL_ENV` is equal to `development`. If
+you set `JEKYLL_ENV=production` and run `jekyll serve`, it will not
+overwrite the value of `url` in your config. And again, this only applies
+to serving, not to building.
+
+## A *lot* more!
+
+There are dozens of bug fixes and minor improvements to make your Jekyll
+experience better than ever. With every Jekyll release, we strive to bring
+greater stability and reliability to your everyday development workflow.
+
+As always, thanks to our many contributors who contributed countless hours
+of their free time to making this release happen:
+
+!! TODO: Add list of contributors for this release!
+
+[Full release notes]({{ "/docs/history/" | relative_url }}) are available
+for your perusal. If you notice any issues, please don't hesitate to file a
+bug report.
+
+Happy Jekylling!