Air-light - A minimalist WordPress starter theme

Air-light (or simply Air) is designed to be a ultra minimal starting point for a WordPress project at Digitoimisto Dude Oy, a Finnish boutique digital agency in the center of Jyväskylä. Theme is originally based on _s. We welcome all happy contributors with open arms! See roadmap.

Demo | Usage

CSS gzipped: 12 KB (113 KB original)
JS gzipped: 3.4 KB (10.8 KB original)
Front page HTML: 7.4 KB (29.4 KB original)

Top contributors

This theme is constantly kept up to date by the following persons and a bunch of awesome contributors. Wanna join in development? Read the instructions for contributing and let us know about your first PR!


Roni Laukkarinen	Timi Wahalahti	Niku Hietanen	Michael Bourne

Mission & vision

Air-light is built to be very straightforward, backwards compatible, front-end developer friendly and modular by its structure. Following Underscores and WordPress Theme Coding Standards best practices and most of the changes in _s are implemented as soon as they are committed.

Our mission and goal is minimalism and simplicity. Our vision is to build a theme that will not implement its own wrappers or functions, will not use any templating languages that would take things further from traditional PHP or CSS, will contain nothing that people will not use or need. Air-light will be free of weird "app-like" folder structures or odd syntaxes that nobody else uses. We love WordPress as it was and as it is.

Air was renamed to air-light in version 3.7.8 (March 20th, 2018), because air was already taken in the official WordPress theme directory.

Official, approved, accessibility-ready!

Air-light v. 4.2.2 was approved to official WordPress theme directory on June 4, 2018. But please note, all changes you do to the theme without generating your own or changing textdomain will be overridden in theme updates - so if you use this theme as a starting point, please follow instructions and/or replace the textdomain with your own.

Air is a development theme, so it has updates very often. By using this starter theme, you agree that the anything can change to a different direction without a warning when you look at this dev-git the next time. Please note this theme has no updates inside WordPress by design. Use this theme to hack it to pieces and create your new awesome theme based on Air! Please also see Debuggers!

Air is not meant to be "a theme for everyone", which means it doesn't have all the parts that are generally included in multi-purpose themes for non-technical people (please see Disabled features).

If you want to use this theme as starter for your new theme, please note the theme won't necessarily be that much fun or won't look good by default and needs work from you. We recommend using Sage if you need something more extended.

License

Air is licensed with The MIT License (MIT) which means you can freely use this theme commercially or privately, modify it, or distribute it, but you are forbidden to hold Dude liable for anything, or claim that what you do with this is made by us.

Theme structure

We try to achieve as classic WordPress theme structure as possible to make it possible for wider audience to use and understand and to go with official WordPress Theme Coding Standards.

themes/your-theme-name/             # → Root of your air-light based theme
├── 404.php                         # → Default "not found" page
├── archive.php                     # → Default archive template
├── bin/                            # → Scripts
│   ├── air-move-in.sh              # → A script for moving all dev files back to the theme
│   ├── air-move-out.sh             # → A script for moving all dev files out of the theme for testing with Theme Check plugin
│   ├── air-pack.sh                 # → A script that makes a package for WordPress Theme Directory
│   ├── newtheme.sh                 # → The start script for creating YOUR own theme out of air-light
├── comments.php                    # → Default comments template (can be deleted if not needed)
├── css/                            # → CSS files for production (never edit)
│   ├── global.css                  # → Unminified, stylefmtd CSS file
│   └── global.min.css              # → Minified theme CSS, this file is called in scripts-styles.php
│   └── gutenberg.min.css           # → Minified Gutenberg CSS for editor, this file is called in gutenberg.php
├── fonts/                          # → Your webfont files
├── footer.php                      # → Site footer
├── front-page.php                  # → Demo front-page template (not included in wordpress.org version)
├── functions.php                   # → Set up your theme basic settings
├── gulpfile.js                     # → Gulpfile for air-light development
├── header.php                      # → Site header
├── images/                         # → Your theme images, for example default featured images and placeholders
├── inc/                            # → Theme core PHP
│   ├── hooks/                      # → Hook functions
│   ├── includes/                   # → Non-template features
│   ├── template-tags/              # → Template functions and helpers
│   ├── post-types/                 # → Custom Post Types
│   ├── taxonomies/                 # → Custom Taxonomies
│   ├── hooks.php                   # → All hooks the theme runs are here
│   ├── includes.php                # → Include non-template features
│   ├── template-tags.php           # → Include template functions and helpers
├── js/                             # → JavaScript files for production (never edit)
│   ├── dist/front-end.js           # → Obfuscated, concatted, minified file that contains all site JS
│   ├── src/                        # → JavaScript files for development
│   │   ├── navigation.js           # → Accessible multi-level navigation (from 3.4.5)
│   │   ├── scripts.js              # → Theme core JavaScript file (from 1.0.0)
│   │   └── sticky-nav.js           # → Sticky nav functionality (optional)based themes
├── node_modules/                   # → Node.js packages (never edit)
├── package.json                    # → Node.js dependencies and scripts
├── page.php                        # → Default page template
├── phpcs.xml                       # → PHPCodeSniffer/WordPress Theme Coding Standards settings
├── sass/                           # → CSS files for development
│   ├── base/                       # → Theme base styles
│   │   ├── _accessibility.scss     # → Accessibility
│   │   ├── _normalize.scss         # → Browser reset
│   │   └── global.scss             # → Core CSS file that calls all the modular files
│   │   └── gutenberg.scss          # → Core CSS file for Gutenberg editor and blocks
│   ├── components/                 # → Add your style components to this folder
│   ├── features/                   # → Fuctionality styles
│   │   ├── _breadcrumbs.scss       # → Styles for hybrid breadcrumbs
│   │   ├── _gallery.scss           # → Default WordPress gallery feature styles
│   │   ├── _gravity-forms.scss     # → Defaults for Gravity Forms + WCAG 2.0 form fields for Gravity Forms
│   │   ├── _lazyload.scss          # → Styles for air-helper lazyload feature (lazyload.js needed)
│   │   ├── _magnific-popup.scss    # → Defaults for magnific popup
│   │   ├── _top.scss               # → Back to top styles
│   │   ├── _pagination.scss        # → Numbered pagination styles
│   │   ├── _sticky-nav.scss        # → Sticky nav styles (not included by default)
│   │   └── _slick.scss             # → Styles for slick-carousel (not included by default)
│   ├── helpers/                    # → Helper mixins and functions
│   │   ├── _animations.scss        # → Animations and effects
│   │   ├── _aspect-ratio.scss      # → A mixin for aspect ratio
│   │   ├── _general.scss           # → Mixins for general use, or helpers of other mixins
│   │   ├── _grid.scss              # → CSS Grid helper mixin
│   │   └── _typography.scss        # → Typography style mixins
│   ├── layout/                     # → Fuctionality styles
│   │   ├── _demo-content.scss      # → Styles for demo, start script will delete this file
│   │   ├── _forms.scss             # → Styles for general forms and Gravity Forms
│   │   ├── _site-footer.scss       # → Footer styles
│   │   ├── _site-header.scss       # → Header styles
│   │   ├── _typography.scss        # → Defaults for typography and fonts
│   │   └── _gutenberg.scss         # → Site-side styles for Gutenberg (pratically for single.php)
included by default)
│   ├── navigation/                 # → Navigation styles
│   │   ├── _burger.scss            # → Burger styles and animations
│   │   ├── _nav-core.scss          # → Styles for both desktop and mobile navigation
│   │   ├── _nav-desktop.scss       # → Desktop navigation styles and dropdowns
│   │   └── _nav-mobile.scss        # → Navigation styles for mobile and touch devices
│   ├── variables/                  # → Configurations
│   │   ├── _breakpoints.scss       # → Widths from mobile to TV screens
│   │   ├── _colors.scss            # → All the colors of the theme
│   │   ├── _fonts.scss             # → Font settings
│   │   └── _spacings.scss          # → Margins and paddings
│   ├── views/                      # → Templates, archives, pages and views go here
│   │   ├── _blog.scss              # → General blog archive and post styles
│   │   ├── _comments.scss          # → Comment styles (optional)
│   │   ├── _front-page.scss        # → Front page styles (demo content, optional)
│   │   └── _page.scss              # → Default single page styles
├── screenshot.png                  # → Theme screenshot for WP admin
├── search.php                      # → Default search view
├── sidebar.php                     # → Default sidebar (optional)
├── single.php                      # → Default single article or CPT view
├── style.css                       # → Theme meta information
├── svg/                            # → Your theme SVG graphics and icons
├── template-parts/                 # → WordPress template parts. Modules go under this folder.
│   ├── header/                     # → Header modules
│   │   ├── branding.php            # → Site branding
│   │   ├── navigation.php          # → Site navigation
│   ├── content-modular.php         # → ACF flexible content
│   └── hero.php                    # → Default hero

Features

Some features, WooCommerce support and personal preferences of Dude are moved to Air helper plugin.

Layout base & grid

All good things from the latest Underscores
SASS-support (SCSS-syntax)
CSS reset with a combination with Nicolas Gallagher's normalize*css
Flexbox-ready
CSS Grid-ready
Section blocks and containers
Basic and minimal CSS framework for forms, commenting and typography
Inline SVG-ready

Typography

Responsive typography with viewport units with fallbacks, see more in sass/layout/_typography.scss and sass/base/_helpers.scss, default syntax is @include responsive-font($font-size-min, $font-size-max); (formerly Megatype, still recommended with blogs or text-only based sites, but not included by default after 1.5.0)
Web fonts file are preferred, helper included: Sass Boilerplate's fontFace-mixin. Put files in fonts/ directory, you'll need .odt, .ttf, .woff, .woff2. Then just @include fontFace('Proxima Nova', '../fonts/proximanova-regular-webfont', 400); in _typography.scss.

Development

BrowserSync for keeping multiple browsers and devices synchronized while testing, along with injecting updated CSS and JS into your browser while you're developing (included in devpackages)
gulp build script that compiles both Less and Sass, checks for JavaScript errors, optimizes images, and concatenates and minifies files (see Dude's devpackages)
npm for front-end package management

Navigation

WCAG 2.0 accessible with keyboard and screen readeres, aria roles and labels included
Custom navigation walker
Support for multi-level drop down submenus
Support for both absolute and relative navigation
Improved version of the accessible menu for WordPress themes, fully accessible and responsive multi-level navigation
Support for animations
Hover intent with minimal animations
Accessible mobile menu
Wide selection of tasty hamburger animations

WordPress & functions

Available for translation, full Polylang Pro support
Support for Post Thumbnails on posts and pages
Gutenberg support
HTML5 core markup for WordPress elements
Air specific: Hero template, section blocks

Custom Post Types

Air-light can register your CPT:s automatically.

Add your custom post type to theme settings under post_types, located in functions.php like this:

'post_types' => [
  'your-post-type' => 'Your_Post_Type'
]

Add a file inc/post-types/your-post-type.php
Extend Post_Type class with Your_Post_Type and define your post type in a public function called register(). See the example: inc/post-types/your-post-type.php.

Custom Taxonomies

Air-light can register your Taxonomies automatically.

Add your taxonomy to theme settings under taxonomies, located in functions.php like this:

'your-taxonomy' => [
  'name' => 'Your_Taxonomy'
  'post_types' => 'post, page'
]

Add a file inc/taxonomies/your-taxonomy.php
Extend Taxonomy class with Your_Taxonomy and define your taxonomy in a public function called register(). See the example: inc/taxonomies/your-taxonomy.php.

Namespaced PHP

Air-light uses namespaced PHP since 5.0.0. This means that we no longer need to prefix functions and hooks, because namespace Air_Light; takes care of that.

When old function format was:

// Pre_get_posts
add_action( 'pre_get_posts', 'dude_pre_get_posts' );
function dude_pre_get_posts( $query ) {
  // Do something
}

New format goes like this:

// Pre_get_posts
add_action( 'pre_get_posts', __NAMESPACE__ . '\pre_get_posts' );
function pre_get_posts( $query ) {
  // Do something
}

Accessibility

Creating accessible websites is really important and our goal is to make air as accessible-ready as possible. Theme fully supports navigating with keyboard and screen-readers. Other accessible features:

Navigation patterns
Skip to content link
Smart focus for keyboard users, what-input baked in
Valid HTML
Accessible SVG icons
Screen reader class
External link indicators
Underlined links
Content-aware back to top link
WCAG 2.0 AAA Accessible-ready Gravity Forms styles (needs WCAG 2.0 form fields for Gravity Forms, included in dudestack)

Lazy load

From 4.7.1 air-light has a lazy loading image features for background images and imgs. If you don't use this feature, remove it from scripts. This feature depends on air-helper, check out the documentation in air-helper for further instructions.

Disabled features

Widgets
Post formats
Jetpack support
(Threaded) comments
Underscores Template tags
Sidebar

Javascript

Structure

All .js files in /js/src/* is built to /js/dist/ with the same name. The main scripts file loaded in front end is /js/src/front-end.js.

If you want to add a piece of custom JS, create a file under /js/src/modules/ and import or require it in /js/src/front-end.js. If you need a admin-specific JS, add a /js/src/admin.js and then enqueue /js/dist/admin.js with enqueue_admin_scripts

Legacy support

Our build uses babel to translate scripts to ES2015 compatible JS, so you can use modern JS syntax without thinking about backwards compatibility. There is a /js/src/legacy.js file, which contains the needed polyfills for browsers not supporting the ES2015 syntax and is automatically loaded on the header when such browser is detected.

Linter

We use Airbnb es-lint presets spiced up with our own flavors.

Extra building blocks

Sticky navigation

Air has a sticky navigation baked in.

How to enable

You can enable the navigation by

Adding sticky-nav.js to your gulpfile (already included with Devpackages and bin/newtheme.sh start script)
Uncommeting sticky-nav import in global.scss
Restart gulp and save scripts.js once to compile working combined javascript file

Slick slider

Air includes sassified version, clean SCSS file for slick carousel.

How to enable

To enable Slick carousel support,

Run npm install slick-carousel --save in theme directory
Run npm update in theme directory
Uncomment // import slick from 'slick-carousel'; in scripts.js
Add slick init to document ready in scripts.js, like this, tweak to your needs:

$('.slider').slick({
  slidesToShow: 1,
  slidesToScroll: 1,
  arrows: true,
  dots: false,
  fade: true
});

Construct your slider like this:

<section class="block block-slider">
  <div class="container">
    <div class="cols slider">
      <div class="col item">
        <p><b>Slider item 1</b> Some other content. Lorem ipsum in proident deserunt nostrud. Lorem ipsum in proident deserunt nostrud.</p>
      </div><!-- .item -->

      <div class="col item">
        <p><b>Slider item 2</b> Something different to see the change. Lorem ipsum in proident deserunt nostrud culpa veniam sed esse aliqua ea velit aute.</p>
      </div><!-- .item -->
    </div>
  </div>
</section><!-- .block -->

Please note: If you want to change the background to lighter, you will need to edit the svg arrows accordingly.

WooCommerce support

Air had by default a basic WooCommerce support from version 1.9.2, and for a while it was been separated to its own repository, air-woocommerce since v2.5.6.

How to enable

Starting from v2.6.0 WooCommerce support comes with Air helper plugin and Air contains optional very basic WC styles. Air helper will add it's WC functionality when theme support for WooCommerce is added. To enable:

Get Air helper
Activate the plugin

Requirements

Requires at least: WordPress 4.7.1
Tested up to WordPress 5.6

Recommendations for development

macOS
Devpackages - Npm and Gulp + plugins
Dudestack - A toolkit for creating a new professional WordPress project with deployments. Heavily based on Bedrock by Roots.

Our way of building new themes

We use ACF and Gutenberg to build new websites on air-light. This is the default block structure we are used to have:

<section class="block block-something has-dark-bg">
  <div class="container">
    <div class="cols cols-two">
      <div class="col">
        <p><b>Column item 1</b> Some other content. Lorem ipsum in proident deserunt nostrud. Lorem ipsum in proident deserunt nostrud.</p>
      </div><!-- .col -->

      <div class="col">
        <p><b>Column item 2</b> Something different to see the change. Lorem ipsum in proident deserunt nostrud culpa veniam sed esse aliqua ea velit aute.</p>
      </div><!-- .col -->
    </div>
  </div>
</section><!-- .block -->

Usage

Option 1: Use in your own WordPress instance and with your own development environment like Docker, Local by Flywheel or MAMP

If you want to set up this your own way, install using the traditional way:

Clone repo with git clone https://github.com/digitoimistodude/air-light.git to your preferred location on command line or download zip
Run npm install in theme folder
Open project to Visual Studio Code (or to your preferred editor) and run following search & replaces (note: yourprojectname is should always be lowercase without special characters):

Search: air-light
Replace with: yourprojectname

Search: Air-light
Replace with: yourprojectname

Search: air_light
Replace with: yourprojectname

Search: Air_light
Replace with: yourprojectname

Run gulp watch and start coding

Option 2: Use our WordPress stack and development environment

If you are using Dudestack and Devpackages, your project folder is located at ~/Projects, your macos-lemp-setup has been set up (preferred) OR marlin-vagrant box is up and running at 10.1.2.4, use the following instructions:

Open command line interface and cd into bin folder like cd /path/to/air-light/bin
Run sh newtheme.sh - the script takes care of the rest (updates textdomain with your project name, checks updates for air and npm packages, runs npm install, fetches devpackages, sets up gulp, cleans up the leftover files and activates the theme via wp-cli)
Cd back to theme dir cd .., run gulp watch and start coding

Contributing

If you have ideas about the theme or spot an issue, please let us know. Before contributing ideas or reporting an issue about "missing" features or things regarding to the nature of that matter, please read Please note section. Thank you very much.

If you want to contribute to the development, please follow these instructions:

Create a fork of this repository (or new branch if you have editor/maintainer permissions)
Make your changes
Create a pull request

Air development

Installation

If you want to improve air, you have two options.

1. Use dudestack

Air is originally built on dudestack. Install our development environment with these steps (unix only, sorry Windows!):

mkdir ~/Projects && git clone https://github.com/digitoimistodude/dudestack
cd ~/Projects/dudestack && sh setup.sh
Run createproject, name project after airdev when asked
Wait for the project to be created (get a coffee, first time can take couple of minutes)
Create a fork of air-light (press fork button on GitHub)
Go to the theme folder of your WordPress instance via Terminal (cd ~/Projects/airdev/content/themes)
Clone your fork with git clone git@github.com:yourusername/air-light.git (replace yourusername with your actual username)
Cd to your new cloned repository cd ~/Projects/airdev/content/themes/air-light
Get the dependencides by running npm install inside the theme folder (if you don't have npm installed, see here or just use homebrew)
Wait npm to get through files (get another cup of coffee)
Activate theme - if you are using the lightweight macos-lemp-setup: cd ~/Projects/airdev && vendor/wp-cli/wp-cli/bin/wp theme activate air-light if marlin-vagrant: ssh vagrant@10.1.2.4 "cd /var/www/$PROJECTNAME/;vendor/wp-cli/wp-cli/bin/wp theme activate air" (replace $PROJECTNAME with actual project name)
Open whole project to your preferred coding editor, for example when using Visual Studio Code that would be code ~/Projects/airdev/content/themes/air-light.
Go to back to air-light dir with cd ~/Projects/airdev/content/themes/air-light and then run gulp and start developing!

You may want to add alias wp='./vendor/wp-cli/wp-cli/bin/wp' for macos-lemp-setup or alias wp='ssh vagrant@10.1.2.4 "cd /var/www/"$(basename "$PWD")"; /var/www/"$(basename "$PWD")"/vendor/wp-cli/wp-cli/bin/wp"' for marlin-vagrant to be able to use wp-cli with simply wp.

2. Use your own stack

To install air-light to your own development environment, just clone your fork to your theme directory, activate the theme, and make changes. If you make changes to front-end (JS/SCSS), you'll need to use our gulpfile and npm dependencies, so make sure you go through steps 9-10 and 12 above.

When you make changes, commit them with clear describing commit messages and them make a pull request. We are happy to accept improvements!

Content and unit tests

Next you just need to add content and menu via airdev.test/admin, or you can use the ready-made content:

cd ~/Projects/airdev
wp plugin install wordpress-importer --activate
wget https://wpcom-themes.svn.automattic.com/demo/theme-unit-test-data.xml
wp import theme-unit-test-data.xml --authors=create

Debuggers

Air-light comes with PHP_CodeSniffer for PHP files, stylelint for SCSS/CSS files and eslint for JS files built inside gulpfile.js. Please note, you need to configure global versions of these separately! Here's how:

For gulp

PHP_CodeSniffer needs to be installed under /usr/local/bin/phpcs with WordPress-Coding-Standards for php-debuggers to work properly in gulp. If you don't want to use phpcs with gulp, you can disable it by commenting out or deleting line gulp.watch(phpSrc, ['phpcs']);.

The golden rule here is to make sure the commands stylelint, eslint and phpcs work from command line.

How to install for Gulp

mkdir -p ~/Projects && cd ~/Projects && git clone -b master --depth 1 https://github.com/squizlabs/PHP_CodeSniffer.git phpcs
git clone -b master https://github.com/PHPCompatibility/PHPCompatibility
git clone -b master --depth 1 https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards.git wpcs
Please note: Replace yourusername name with your actual user name! sudo ln -s /Users/rolle/Projects/phpcs/bin/phpcs /usr/local/bin/phpcs
sudo chmod +x /usr/local/bin/phpcs
Please note: Replace yourusername name with your actual user name! phpcs --config-set installed_paths "/Users/rolle/Projects/wpcs","/Users/rolle/Projects/PHPCompatibility"
Test your standards with phpcs -i, it should display something like this:

The installed coding standards are PEAR, Zend, PSR2, MySource, Squiz, PSR1, PSR12, PHPCompatibility, WordPress, WordPress-Extra, WordPress-Docs and WordPress-Core

npm i stylelint eslint -g
Check that other linters work: stylelint -v, eslint -v

For your editor

It's also best to have all stylelint, eslint, phpcs living inside your editor. We think Visual Studio Code is best for this, check out the plugins inside vscode-settings repository to make sure everything is installed.

Releasing a new version on git and tagging principles (staff only)

Other than Dude staff should make pull requests, but the senior developers can push new versions directly. Whenever you have updates that are worthwile, commit them with clear commit messages and then do versioning. Every meaningful commit or bunch of commits that form a feature together make the version go up semantically 0.0.1.

The tag-release cycle:

Commit your changes
Search and replace version in style.css, functions.php, package.json, readme.txt. Remember update Tested up WordPress version as well.
Add a tag with git tag -a x.x.x commands
Add description for a feature or just name it by version name x.x.x if the changes are small
git push -u origin HEAD && git push --tags (or p && git push --tags if you use our term aliases)

That's it, you released a new version!

Releasing a new version on the demo site and WordPress.org (staff only)

After tagging and releasing version on GitHub, you need to complete these steps:

Release the dev version to the server with this magical command (you need to have pubkey auth on for auto-login): rsync -av -e ssh --exclude={"/node_modules/*","/bin/*","/sass/*"} ~/Projects/airdev/content/themes/* you@the_server:/var/www/dudetest.xyz/public_html/air/content/themes/ (consult your team's head developer for credentials)
cd ~/Projects/airdev/content/themes/bin
sh air-move-out.sh
Go to Theme Check and click "Check it!" button. Fix possible errors.
sh air-pack.sh
Upload ~/Projects/airdev/content/themes/air-light.zip to wordpress.org/themes/upload

Notes

Gzip file sizes tested with wc -c css/global.css and gzip -c css/global.css | wc -c commands.

Theme developers please note: if you use phpcs in SublimeLinter as custom standard on dudestack, you will need extra content/themes/air-light subfolders inside theme directory for it to work on both global projects and with air-light.

Known issues

See tool related issues in devpackages and air-light issue tracker.

Files

README.md

Latest commit

History

README.md

File metadata and controls

Air-light - A minimalist WordPress starter theme

Demo | Usage

Top contributors

Mission & vision

Official, approved, accessibility-ready!

Table of contents

Please note before using

License

Theme structure

Features

Layout base & grid

Typography

Development

Navigation

WordPress & functions

Custom Post Types

Custom Taxonomies

Namespaced PHP

Accessibility

Lazy load

Disabled features

Javascript

Structure

Legacy support

Linter

Extra building blocks

Sticky navigation

How to enable

Slick slider

How to enable

WooCommerce support

How to enable

Requirements

Recommendations for development

Our way of building new themes

Usage

Option 1: Use in your own WordPress instance and with your own development environment like Docker, Local by Flywheel or MAMP

Option 2: Use our WordPress stack and development environment

Contributing

Air development

Installation

1. Use dudestack

2. Use your own stack

Content and unit tests

Debuggers

For gulp

How to install for Gulp

For your editor

Releasing a new version on git and tagging principles (staff only)

Releasing a new version on the demo site and WordPress.org (staff only)

Notes

Known issues