hugo-theme-relearn/exampleSite/content/basics/migration/_index.en.md at 25cef423b76e5288df215ae3923b2a629465414a

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GitHub Actions Bot 8f520e7bd8 Ship tag 5.14.0

2023-05-19 22:08:55 +00:00

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+++ disableToc = false title = "What's New" weight = 2 +++

This document shows you what's new in the latest release. For a detailed list of changes, see the [history page]({{%relref "basics/history" %}}).

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.95.0{{% /badge %}} The minimum required Hugo version.

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} A change that requires action by you after upgrading to assure the site is still functional.

{{% badge style="note" title=" " %}}Change{{% /badge %}} A change in default behavior that may requires action by you if you want to revert it.

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Marks new behavior you might find interesting or comes configurable.

5.14.0 (2023-05-19)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The taxonomy pages received some love in this release, making them better leverage available screen space and adding translation support for the taxonomy names.

Hugo's default taxonmies tags and categories are already contained in the theme's i18n files. If you have self-defined taxonomies, you can add translations by adding them to your own i18n files. If you don't provide translations, the singualar and plural forms are taken as configured in your config.toml.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} To give you more flexibility in customizing your article layout a new partial content-header.html is introduced.

This came out of the requirement to customize the position of article tags, which by default are displayed above the title. A second requirement was to also show additional taxonomies not supported by the theme natively. While Hugo supports tags and categories by default, the theme only displays tags.

So how to adjust the position of tags starting from the theme's default where tags are only shown above the title?
1. Hide tags above title: Overwrite content-header.html with an empty file.
2. Show tags between title and content: Overwrite heading-post.html and add {{- partial "tags.html" . }} to it.
3. Show tags below content: Overwrite content-footer.html and add {{- partial "tags.html" . }} to it.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The new parameter breadcrumbSeparator is now available in your config.toml to change the - well - separator of the breadcrumb items. An appropriate default is in place if you do not configure anything.

5.13.0 (2023-05-17)

{{% badge style="note" title=" " %}}Change{{% /badge %}} The swagger shortcode was deprecated in favor for the [openapi shortcode]({{% relref "shortcodes/openapi" %}}). You don't need to change anything yet as the old name will be used as a fallback. It is planned to remove the swagger shortcode in the next major release.

Additionally, the implemantion of this shortcode was switched from RapiDoc to SwaggerUI.

5.12.0 (2023-05-04)

{{% badge style="note" title=" " %}}Change{{% /badge %}} In the effort to comply with WCAG standards, the implementation of the collapsible menu was changed (again). While Internet Explorer 11 has issues in displaying it, the functionality still works.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Support for the great VSCode Front Matter extension which provides on-premise CMS capabilties to Hugo.

The theme provides Front Matter snippets for its shortcodes. Currently only English and German is supported. Put a reference into your frontmatter.json like this
```
{
  ...
  "frontMatter.extends": [
      "./vscode-frontmatter/snippets.en.json"
  ]
  ...
}
```
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Support for languages that are written right to left (like Arabic) is now complete and extended to the menu, the top navigation bar and print. You can experience this in the [pirate translation]({{%relref path="basics/migration" lang="pir" %}}). This feature is not available in Internet Explorer 11.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The scrollbars are now colored according to their variant color scheme to better fit into the visuals.

5.11.0 (2023-02-07)

{{% badge style="note" title=" " %}}Change{{% /badge %}} The theme removed the popular jQuery library from its distribution.

In case you made changes to the theme that are dependend on this library you can place a copy of jQuery into your static/js directory and load it from your own layouts/partials/custom-header.html like this:
```
<script src="{{"js/jquery.min.js"| relURL}}" defer></script>
```
{{% badge style="note" title=" " %}}Change{{% /badge %}} [Mermaid]({{% relref "shortcodes/mermaid#parameter" %}}) diagrams can now be configured for pan and zoom on site-, page-level or individually for each graph.

The default setting of on, in effect since 1.1.0, changed back to off as there was interference with scrolling on mobile and big pages.
{{% badge style="note" title=" " %}}Change{{% /badge %}} The theme is now capable to visually [adapt to your OS's light/dark mode setting]({{%relref "basics/customization/#adjust-to-os-settings" %}}).

This is also the new default setting if you haven't configured themeVariant in your config.toml.

Additionally you can configure the variants to be taken for light/dark mode with the new themeVariantAuto parameter.

This is not supported for Internet Explorer 11, which still displays in the relearn-light variant.
{{% badge style="note" title=" " %}}Change{{% /badge %}} The JavaScript code for handling image lightboxes (provided by Featherlight) was replaced by a CSS-only solution.

This also changed the [lightbox effects]({{% relref "cont/markdown#lightbox" %}}) parameter from featherlight=false to lightbox=false. Nevertheless you don't need to change anything as the old name will be used as a fallback.
{{% badge style="note" title=" " %}}Change{{% /badge %}} In the effort to comply with WCAG standards, the implementation of the [expand shortcode]({{% relref "shortcodes/expand" %}}) was changed. While Internet Explorer 11 has issues in displaying it, the functionality still works.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Translation for Czech. This language is not supported for search.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} GitHub releases are also now tagged for the main version (eg. 1.2.x), major version (eg. 1.x) and the latest (just x) release making it easier for you to pin the theme to a certain version.

5.10.0 (2023-01-25)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The [attachments]({{% relref "shortcodes/attachments" %}}), [badge]({{% relref "shortcodes/badge" %}}), [button]({{% relref "shortcodes/button" %}}) and [notice]({{% relref "shortcodes/notice" %}}) shortcodes have a new parameter color to set arbitrary CSS color values.

Additionally the --ACCENT-color brand color introduced in version 5.8.0 is now supported with these shortcodes.

5.9.0 (2022-12-23)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} With this version it is now possible to not only have sections on the first menu level but also pages.

It was later discovered, that this causes pages only meant to be displayed in the More section of the menu and stored directly inside your content directory to now show up in the menu aswell.

To get rid of this undesired behavior you have two choices:
1. Make the page file for the More section a headless branch bundle (contained in its own subdirectory and called _index.md) and add the following frontmatter configuration to the file (see exampleSite's content/showcase). This causes its content to not be contained in the sitemap.
```
[_build]
  render = "never"
  list = "never"
  publishResources = false
```
2. Store the page file for the More section below a parent headless branch bundle and add the following frontmatter to the parent. In this case, the file itself can be a branch bundle, leaf bundle or simple page (see exampleSite's content/more/ and content/more/credits). This causes its content to be contained in the sitemap.
```
[_build]
  render = "always"
  list = "never"
  publishResources = true
```
{{% badge style="note" title=" " %}}Change{{% /badge %}} The required folder name for the [attachments shortcode]({{% relref "shortcodes/attachments" %}}) was changed for leaf bundles.

Previously, the attachments for leaf bundles in non-multilang setups were required to be in a files subdirectory. For page bundles and leaf bundles in multilang setups they were always required to be in a _index.<LANGCODE>.files or index.<LANGCODE>.files subdirectory accordingly.

This added unnessessary complexity. So attachments for leaf bundles in non-multilang setups can now also reside in a index.files directory. Although the old files directory is now deprecated, if both directories are present, only the old files directory will be used for compatiblity.
{{% badge style="note" title=" " %}}Change{{% /badge %}} Absolute links prefixed with http:// or https:// are now opened in a separate browser tab.

You can revert back to the old behavior by defining externalLinkTarget="_self" in the params section of your config.toml.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The theme now supports Hugo's module system.

5.8.0 (2022-12-08)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The new [badge shortcode]({{% relref "shortcodes/badge" %}}) is now available to add highly configurable markers to your content as you can see it on this page.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The new [icon shortcode]({{% relref "shortcodes/icon" %}}) simplyfies the usage of icons. This can even be combined with also new badge shortcode.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The theme now supports some of GFM (GitHub Flavored Markdown) syntax and Hugo Markdown extensions, namely [task lists]({{% relref "cont/markdown#tasks" %}}), [defintion lists]({{% relref "cont/markdown#defintions" %}}) and [footnotes]({{% relref "cont/markdown#footnotes" %}}).
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} A new color --ACCENT-color was introduced which is used for highlightning search results on the page. In case you simply don't care, you don't need to change anything in your variant stylesheet as the old yellow color is still used as default.

5.7.0 (2022-11-29)

{{% badge style="note" title=" " %}}Change{{% /badge %}} The Korean language translation for this theme is now available with the language code ko. Formerly the country code kr was used instead.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The [button shortcode]({{% relref "shortcodes/button" %}}) can now also be used as a real button inside of HTML forms - although this is a pretty rare use case. The documentation was updated accordingly.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The search now supports the Korean language.

5.6.0 (2022-11-18)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} This release introduces an additional dedicated search page. On this page, displayed search results have more space making it easier scanning thru large number of results.

To activate this feature, you need to [configure it]({{% relref "basics/configuration#activate-dedicated-search-page" %}}) in your config.toml as a new outputformat SEARCHPAGE for the home page. If you don't configure it, no dedicated search page will be accessible and the theme works as before.

You can access the search page by either clicking on the magnifier glass or pressing enter inside of the search box.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Keyboard handling for the TOC and search was improved.

Pressing CTRL+ALT+t now will not only toggle the TOC overlay but also places the focus to the first heading on opening. Subsequently this makes it possible to easily select headings by using the TAB key.

The search received its own brand new keyboard shortcut CTRL+ALT+f. This will focus the cursor inside of the the search box so you can immediately start your search by typing.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You are now able to turn off the generation of generator meta tags in your HTML head to hide the used versions of Hugo and this theme.

To [configure this]({{% relref "basics/configuration#global-site-parameters" %}}) in your config.toml make sure to set Hugo's disableHugoGeneratorInject=true and also [params] disableGeneratorVersion=true, otherwise Hugo will generate a meta tag into your home page automagically.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Creation of your project gets a little bit faster with this release.

This addresses increased build time with the 5.x releases. The theme now heavily caches partial results leading to improved performance. To further increase performance, unnecessary parts of the page are now skipped for creation of the print output (eg. menus, navigation bar, etc.).

5.5.0 (2022-11-06)

{{% badge style="note" title=" " %}}Change{{% /badge %}} The way images are processed has changed. Now images are lazy loaded by default which speeds up page load on slow networks and/or big pages and also the print preview.

For that the JavaScript code to handle the [lightbox and image effects]({{% relref "cont/markdown#further-image-formatting" %}}) on the client side was removed in favour for static generation of those effects on the server.

If you have used HTML directly in your Markdown files, this now has the downside that it doesn't respect the effect query parameter anymore. In this case you have to migrate all your HTML img URLs manually to the respective HTML attributes.

Old New

<img src="pic.png?width=20vw&classes=shadow,border"> <img src="pic.png" style="width:20vw;" class="shadow border">

Old	New
`<img src="pic.png?width=20vw&classes=shadow,border">`	`<img src="pic.png" style="width:20vw;" class="shadow border">`

5.4.0 (2022-11-01)

{{% badge style="note" title=" " %}}Change{{% /badge %}} [With the proper settings]({{% relref "basics/configuration#serving-your-page-from-the-filesystem" %}}) in your config.toml your page is now servable from the local file system using file:// URLs.

Please note that the searchbox will only work for this if you reconfigure your outputformat for the homepage in your config.toml from JSON to SEARCH. The now deprecated JSON outputformat still works as before, so there is no need to reconfigure your installation if it is only served from http:// or https://.
{{% badge style="note" title=" " %}}Change{{% /badge %}} The [button shortcode]({{% relref "shortcodes/button" %}}) has a new parameter target to set the destination frame/window for the URL to open. If not given, it defaults to a new window/tab for external URLs or is not set at all for internal URLs. Previously even internal URLs where opened in a new window/tab.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The [math shortcode]({{% relref "shortcodes/math" %}}) and [mermaid shortcode]({{% relref "shortcodes/mermaid" %}}) now also support the align parameter if codefence syntax is used.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Support for languages that are written right to left (like Arabic). This is only implemented for the content area but not the navigation sidebar. This feature is not available in Internet Explorer 11.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Translation for Finnish (Suomi).

5.3.0 (2022-10-07)

{{% badge style="note" title=" " %}}Change{{% /badge %}} In the effort to comply with WCAG standards, the implementation of the collapsible menu was changed. The functionality of the new implementation does not work with old browsers (Internet Explorer 11).
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} [Image formatting]({{% relref "cont/markdown#add-css-classes" %}}) has two new classes to align images to the left or right. Additionally, the already existing inline option is now documented.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Printing for the [swagger shortcode]({{% relref "shortcodes/openapi" %}}) was optimized to expand sections that are usually closed in interactive mode. This requires [print support]({{%relref "basics/configuration#activate-print-support" %}}) to be configured.

5.2.0 (2022-08-03)

{{% badge style="note" title=" " %}}Change{{% /badge %}} If you've set collapsibleMenu = true in your config.toml, the menu will be expanded if a search term is found in a collapsed submenu. The menu will return to its initial collapse state once the search term does not match any submenus.

5.1.0 (2022-07-15)

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.95.0{{% /badge %}} This release requires a newer Hugo version.
{{% badge style="note" title=" " %}}Change{{% /badge %}} Because the print preview URLs were non deterministic for normal pages in comparison to page bundles, this is now changed. Each print preview is now accessible by adding a index.print.html to the default URL.

You can revert this behavior by overwriting the PRINT output format setting in your config.tomlto:
```
[outputFormats]
  [outputFormats.PRINT]
    name= "PRINT"
    baseName = "index"
    path = "_print"
    isHTML = true
    mediaType = 'text/html'
    permalinkable = false
```

5.0.0 (2022-07-05)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} The theme changed how JavaScript and CSS dependencies are loaded to provide a better performance. In case you've added own JavaScript code that depends on the themes jQuery implementation, you have to put it into a separate *.js file (if not already) and add the defer keyword to the script element. Eg.
```
<script defer src="myscript.js"></script>
```
{{% badge style="note" title=" " %}}Change{{% /badge %}} The way [archetypes]({{% relref "cont/archetypes" %}}) are used to generate output has changed. The new systems allows you, to redefine existing archetypes or even generate your own ones.

Your existing markdown files will still work like before and therefore you don't need to change anything after the upgrade. Nevertheless, it is recommended to adapt your existing markdown files to the new way as follows:
- for your home page, add the frontmatter parameter archetype = "home" and remove the leading heading
- for all files containing the deprecated frontmatter parameter chapter = true, replace it with archetype = "chapter" and remove the leading headings
{{% badge style="note" title=" " %}}Change{{% /badge %}} The frontmatter options pre / post were renamed to menuPre / menuPost. The old options will still be used if the new options aren't set. Therefore you don't need to change anything after the upgrade.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Adding new partials heading-pre.html / heading-post.html and according frontmatter options headingPre / headingPost to modify the way your page`s main heading gets styled.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The new shortcode math is available to add beautiful math and chemical formulae. See the [documentation]({{% relref "shortcodes/math" %}}) for available features. This feature will not work with Internet Explorer 11.

4.2.0 (2022-06-23)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} The second parameter for the [include shortcode]({{% relref "shortcodes/include" %}}) was switched in meaning and was renamed from showfirstheading to hidefirstheading. If you haven't used this parameter in your shortcode, the default behavior hasn't changed and you don't need to change anything.

If you've used the second boolean parameter, you have to rename it and invert its value to achieve the same behavior.
{{% badge style="note" title=" " %}}Change{{% /badge %}} Previously, if the [tabs shortcode]({{% relref "shortcodes/tabs" %}}) could not find a tab item because, the tabs ended up empty. Now the first tab is selected instead.
{{% badge style="note" title=" " %}}Change{{% /badge %}} The landingPageURL was removed from config.toml. You can safely remove this as well from your configuration as it is not used anymore. The theme will detect the landing page URL automatically.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} All shortcodes can now be also called from your partials. Examples for this are added to the documentation of each shortcode.

4.1.0 (2022-06-12)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} While fixing issues with the search functionality for non Latin languages, you can now [configure to have multiple languages on a single page]({{% relref "cont/i18n/#search-with-mixed-language-support" %}}).

4.0.0 (2022-06-05)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} The custom_css config parameter was removed from the configuration. If used in an existing installation, it can be achieved by overriding the custom-header.html template in a much more generic manner.
{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} Because anchor hover color was not configurable without introducing more complexity to the variant stylesheets, we decided to remove --MAIN-ANCHOR-color instead. You don't need to change anything in your custom color stylesheet as the anchors now get their colors from --MAIN-LINK-color and --MAIN-ANCHOR-HOVER-color respectively.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} All shortcodes now support named parameter. The positional parameter are still supported but will not be enhanced with new features, so you don't need to change anything in your installation.

This applies to [expand]({{% relref "shortcodes/expand" %}}), [include]({{% relref "shortcodes/include" %}}), [notice]({{% relref "shortcodes/notice" %}}) and [siteparam]({{% relref "shortcodes/siteparam" %}}).
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The [button]({{% relref "shortcodes/button" %}}) shortcode received some love and now has a parameter for the color style similar to other shortcodes.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} New colors --PRIMARY-color and --SECONDARY-color were added to provide easier modification of your custom style. Shortcodes with a color style can now have primary or secondary as additional values.

These two colors are the default for other, more specific color variables. You don't need to change anything in your existing custom color stylesheets as those variables get reasonable default values.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Translation for Polish. This language is not supported for search.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The documentation for all shortcodes were revised.

3.4.0 (2022-04-03)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} If you had previously overwritten the custom-footer.html partial to add visual elements below the content of your page, you have to move this content to the new partial content-footer.html. custom-footer.html was never meant to contain HTML other than additional styles and JavaScript.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} If you prefer expandable/collapsible menu items, you can now set collapsibleMenu=true in your config.toml. This will add arrows to all menu items that contain sub menus. The menu will expand/collapse without navigation if you click on an arrow.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You can activate [print support]({{%relref "basics/configuration#activate-print-support" %}}) in your config.toml to add the capability to print whole chapters or even the complete site.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Translation for Traditional Chinese.

3.3.0 (2022-03-28)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Introduction of new CSS variables to set the font. The theme distinguishes between --MAIN-font for all content text and --CODE-font for inline or block code. There are additional overrides for all headings. See the [theme variant generator]({{%relref "basics/generator" %}}) of the exampleSite for all available variables.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The new shortcode swagger is available to include a UI for REST OpenAPI specifications. See the [documentation]({{% relref "shortcodes/openapi" %}}) for available features. This feature will not work with Internet Explorer 11.

3.2.0 (2022-03-19)

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.93.0{{% /badge %}} This release requires a newer Hugo version.
{{% badge style="note" title=" " %}}Change{{% /badge %}} In this release the Mermaid JavaScript library will only be loaded on demand if the page contains a Mermaid shortcode or is using Mermaid codefences. This changes the behavior of disableMermaid config option as follows: If a Mermaid shortcode or codefence is found, the option will be ignored and Mermaid will be loaded regardlessly.

The option is still useful in case you are using scripting to set up your graph. In this case no shortcode or codefence is involved and the library is not loaded by default. In this case you can set disableMermaid=false in your frontmatter to force the library to be loaded. See the [theme variant generator]({{%relref "basics/generator" %}}) of the exampleSite for an example.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Additional color variant variable --MERMAID-theme to set the variant's Mermaid theme. This causes the Mermaid theme to switch with the color variant if it defers from the setting of the formerly selected color variant.

3.1.0 (2022-03-15)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} [attachment]({{% relref "shortcodes/attachments" %}}) and [notice]({{% relref "shortcodes/notice" %}}) shortcodes have a new parameter to override the default icon. Allowed values are all Font Awesome 5 Free icons.

3.0.0 (2022-02-22)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} We made changes to the menu footer. If you have your menu-footer.html [partial overridden]({{%relref "basics/customization" %}}), you may have to review the styling (eg. margins/paddings) in your partial. For a reference take a look into the menu-footer.html partial that is coming with the exampleSite.

This change was made to allow your own menu footer to be placed right after the so called prefooter that comes with the theme (containing the language switch and Clear history functionality).
{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} We have changed the default colors from the original Learn theme (the purple menu header) to the Relearn defaults (the light green menu header) as used in the official documentation.

This change will only affect your installation if you've not set the themeVariant parameter in your config.toml. [If you still want to use the Learn color variant]({{%relref "basics/customization/#theme-variant" %}}), you have to explicitly set themeVariant="learn" in your config.toml.

Note, that this will also affect your site if viewed with Internet Explorer 11 but in this case it can not be reconfigured as Internet Explorer does not support CSS variables.
{{% badge style="note" title=" " %}}Change{{% /badge %}} Due to a bug, that we couldn't fix in a general manner for color variants, we decided to remove --MENU-SEARCH-BOX-ICONS-color and introduced --MENU-SEARCH-color instead. You don't need to change anything in your custom color stylesheet as the old name will be used as a fallback.
{{% badge style="note" title=" " %}}Change{{% /badge %}} For consistency reasons, we renamed --MENU-SEARCH-BOX-color to --MENU-SEARCH-BORDER-color. You don't need to change anything in your custom color stylesheet as the old name will be used as a fallback.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} With this release you are now capable to define your own dark mode variants.

To make this possible, we have introduced a lot more color variables you can use in [your color variants]({{%relref "basics/customization/#theme-variant" %}}). Your old variants will still work and don't need to be changed as appropriate fallback values are used by the theme. Nevertheless, the new colors allow for much more customization.

To see what's now possible, see the new variants relearn-dark and neon that are coming with this release.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} To make the creation of new variants easier for you, we've added a new interactive [theme variant generator]({{%relref "basics/generator" %}}). This feature will not work with Internet Explorer 11.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You can now configure multiple color variants in your config.toml. In this case, the first variant is the default chosen on first view and a variant switch will be shown in the menu footer. See the [documentation]({{%relref "basics/customization/#multiple-variants" %}}) for configuration.

Note, that the new variant switch will not work with Internet Explorer 11 as it does not support CSS variables. Therefore, the variant switcher will not be displayed with Internet Explorer 11.

2.9.0 (2021-11-19)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} This release removes the themes implementation of ref/relref in favor for Hugos standard implementation. This is because of inconsistencies with the themes implementation. In advantage, your project becomes standard compliant and exchanging this theme in your project to some other theme will be effortless.

In a standard compliant form you must not link to the *.md file but to its logical name. You'll see, referencing other pages becomes much easier. All three types result in the same reference:

Type	Non-Standard	Standard
Branch bundle	`basics/configuration/_index.md`	`basics/configuration`
Leaf bundle	`basics/configuration/index.md`	`basics/configuration`
Page	`basics/configuration.md`	`basics/configuration`

If you've linked from a page of one language to a page of another language, conversion is a bit more difficult but Hugo got you covered as well.

Also, the old themes implementation allowed refs to non-existing content. This will cause Hugos implementation to show the error below and abort the generation. If your project relies on this old behavior, you can reconfigure the error handling of Hugos implementation.

In the best case your usage of the old implementation is already standard compliant and you don't need to change anything. You'll notice this very easily once you've started hugo server after an upgrade and no errors are written to the console.

You may see errors on the console after the update in the form:

ERROR 2021/11/19 22:29:10 [en] REF_NOT_FOUND: Ref "basics/configuration/_index.md": "hugo-theme-relearn\exampleSite\content\_index.en.md:19:22": page not found

In this case, you must apply one of two options:

Start up a text editor with regular expression support for search and replace. Apply the following conversions in the given order on all *.md files. This is the recommended choice.

Type Search Replace by

Branch bundle (ref\s+"[^"]*)/_index\.md" $1"

Leaf bundle (ref\s+"[^"]*)/index\.md" $1"

Page (ref\s+"[^"]*)\.md" $1"
Copy the old implementation files theme/hugo-theme-relearn/layouts/shortcode/ref.html and theme/hugo-theme-relearn/layouts/shortcode/relref.html to your own projects layouts/shortcode/ref.html and layouts/shortcode/relref.html respectively. This is not recommended as your project will still rely on non-standard behavior afterwards.

Type	Search	Replace by
Branch bundle	`(ref\s+"[^"]*)/_index\.md"`	`$1"`
Leaf bundle	`(ref\s+"[^"]*)/index\.md"`	`$1"`
Page	`(ref\s+"[^"]*)\.md"`	`$1"`

2.8.0 (2021-11-03)

{{% badge style="note" title=" " %}}Change{{% /badge %}} Although never officially documented, this release removes the font Novacento/Novecento. If you use it in an overwritten CSS please replace it with Work Sans. This change was necessary as Novacento did not provide all Latin special characters and lead to mixed styled character text eg. for Czech.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The theme now supports favicons served from static/images/ named as favicon or logo in SVG, PNG or ICO format [out of the box]({{% relref "basics/customization/#change-the-favicon" %}}). An overridden partial layouts/partials/favicon.html may not be necessary anymore in most cases.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You can hide the table of contents menu for the whole site by setting the disableToc option in your config.toml. For an example see [the example configuration]({{%relref "basics/configuration/#global-site-parameters" %}}).

2.7.0 (2021-10-24)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Optional second parameter for [notice]({{% relref "shortcodes/notice" %}}) shortcode to set title in box header.

2.6.0 (2021-10-21)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Your site can now be served from a subfolder if you set baseURL and canonifyURLs=true in your config.toml. See the [documentation]({{% relref "basics/configuration/#a-word-on-running-your-site-in-a-subfolder" %}}) for a detailed example.

2.5.0 (2021-10-08)

{{% badge style="note" title=" " %}}Change{{% /badge %}} New colors --CODE-BLOCK-color and --CODE-BLOCK-BG-color were added to provide a fallback for Hugos syntax highlighting in case guessSyntax=true is set. Ideally the colors are set to the same values as the ones from your chosen chroma style.

2.4.0 (2021-10-07)

{{% badge style="note" title=" " %}}Change{{% /badge %}} Creation of customized stylesheets was simplified down to only contain the CSS variables. Everything else can and should be deleted from your custom stylesheet to assure everything works fine. For the predefined stylesheet variants, this change is already included.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Hidden pages are displayed by default in their according tags page. You can now turn off this behavior by setting disableTagHiddenPages=true in your config.toml.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You can define the expansion state of your menus for the whole site by setting the alwaysopen option in your config.toml. Please see further [documentation]({{%relref "cont/pages/#override-expand-state-rules-for-menu-entries" %}}) for possible values and default behavior.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} New frontmatter ordersectionsby option to change immediate children sorting in menu and children shortcode. Possible values are title or weight.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Alternate content of a page is now advertised in the HTML meta tags. See Hugo documentation.

2.3.0 (2021-09-13)

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.81.0{{% /badge %}} This release requires a newer Hugo version.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Showcase multilanguage features by providing a documentation translation "fer us pirrrates". There will be no other translations besides the original English one and the Pirates one due to maintenance constraints.

2.2.0 (2021-09-09)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Hidden pages are displayed by default in the sitemap generated by Hugo and are therefore visible for search engine indexing. You can now turn off this behavior by setting disableSeoHiddenPages=true in your config.toml.

2.1.0 (2021-09-07)

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.69.0{{% /badge %}} This release requires a newer Hugo version.
{{% badge style="note" title=" " %}}Change{{% /badge %}} In case the site's structure contains additional *.md files not part of the site (eg files that are meant to be included by site pages - see CHANGELOG.md in the exampleSite), they will now be ignored by the search.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Hidden pages are indexed for the site search by default. You can now turn off this behavior by setting disableSearchHiddenPages=true in your config.toml.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} If a search term is found in an expand shortcode, the expand will be opened.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} The menu will scroll the active item into view on load.

2.0.0 (2021-08-28)

{{% badge style="note" title=" " %}}Change{{% /badge %}} Syntax highlighting was switched to the built in Hugo mechanism. You may need to configure a new stylesheet or decide to roll you own as described on in the Hugo documentation
{{% badge style="note" title=" " %}}Change{{% /badge %}} In the predefined stylesheets there was a typo and --MENU-HOME-LINK-HOVERED-color must be changed to --MENU-HOME-LINK-HOVER-color. You don't need to change anything in your custom color stylesheet as the old name will be used as a fallback.
{{% badge style="note" title=" " %}}Change{{% /badge %}} --MENU-HOME-LINK-color and --MENU-HOME-LINK-HOVER-color were missing in the documentation. You should add them to your custom stylesheets if you want to override the defaults.
{{% badge style="note" title=" " %}}Change{{% /badge %}} Arrow navigation and children shortcode were ignoring setting for ordersectionsby. This is now changed and may result in different sorting order of your sub pages.
{{% badge style="note" title=" " %}}Change{{% /badge %}} If hidden pages are accessed directly by typing their URL, they will be exposed in the menu.
{{% badge style="note" title=" " %}}Change{{% /badge %}} A page without a title will be treated as hidden=true.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} You can define the expansion state of your menus in the frontmatter. Please see further [documentation]({{%relref "cont/pages/#override-expand-state-rules-for-menu-entries" %}}) for possible values and default behavior.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} New partials for defining pre/post content for menu items and the content. See [documentation]({{% relref "basics/customization" %}}) for further reading.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Shortcode [children]({{% relref "shortcodes/children" %}}) with new parameter containerstyle.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} New shortcode [include]({{% relref "shortcodes/include" %}}) to include arbitrary file content into a page.

1.2.0 (2021-07-26)

{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Shortcode [expand]({{% relref "shortcodes/expand" %}}) with new parameter to open on page load.

1.1.0 (2021-07-02)

{{% badge style="warning" title=" " %}}Breaking{{% /badge %}} [Mermaid]({{% relref "shortcodes/mermaid" %}}) diagrams can now be panned and zoomed. This isn't configurable yet.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} [Mermaid]({{% relref "shortcodes/mermaid#configuration" %}}) config options can be set in config.toml.

1.0.0 (2021-07-01)

{{% badge color="fuchsia" icon="fab fa-hackerrank" title=" " %}}0.65.0{{% /badge %}} The requirement for the Hugo version of this theme is the same as for the Learn theme version 2.5.0 on 2021-07-01.
{{% badge style="info" icon="plus-circle" title=" " %}}New{{% /badge %}} Initial fork of the Learn theme based on Learn 2.5.0 on 2021-07-01. This introduces no new features besides a global rename to Relearn and a new logo. For the reasons behind forking the Learn theme, see this comment in the Learn issues.

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