To celebrate Primer's 10th birthday, here's a blog post blog post from @colebemis about a color tool we built to work on dark mode and other themes, which we've open-sourced so you can check it out for yourselves 🤩

10 years ago today a ruby gem named Primer was created, which later became a CSS framework, and continued to expand into Primer design system including Rails and React components. Design Systems are never done right? Happy Birthday Primer!🥳

Hey folks, we're looking for a Senior Manager to lead the Primer engineering team at GitHub! If you have a passion for design systems and want to lead the team that builds an important part of GitHub's front-end infrastructure, consider applying:

"If it's not documented, you're not going on vacation!" - check out @auareyou's #config2021 talk on being replaceable ✨

Primer started as a gem file of useful CSS & assets, later became a CSS framework, a React component library, and over the last year or so, components for Rails. Full circle, you now install Primer as a gem again! Interested in working on this? Apply here

See one of our systems designers @auareyou, who worked on dark mode and our visual redesign last year, speak at #config2021 very soon! 👀 https://t.co/MFH3EZc7vB

We're hiring engineers on our team! If you want to work on building design systems at scale, and build great internal developer experiences so hubbers can build great customer experiences, consider applying: https://t.co/FqZKzpb4FD More roles & locations:

This week dark & dimmed mode were made generally available 🚀 https://t.co/oV4leb3fwX We're working on more themes, such as high contrast and color blind friendly themes. Here's a sneak peak of a tool the team is building to make developing and testing new color themes easier 👀

You won't have to go it alone, we're building a team of experts specializing in accessibility, and you'll work alongside designers and engineers working on UI engineering and design systems. More roles here:

Hey folks, we're looking for a designer to join our team to focus on accessibility - we believe building and maintaining accessible user experiences will be more successful if delivered through our design system. Job description & application:

Hey folks we're hiring for designers on our team! Check out the careers page for more listings. We'll be opening up more roles in accessibility, eng, & management soon too. Designer, Design Systems: https://t.co/Ew7E5vjYkE Careers page:

What are the best documentation sites you've interacted with and what made them great? 📚

We’re experimenting with introducing CSS encapsulation to Rails (with View Components). What parts of CSS Modules, and Styled Components or Emotion etc. would you want to take with you to another framework?

Did you know we have components in Rails? Check out this post from @joelhawksley who has been developing ViewComponent and bringing encapsulation to our views

We're so happy to be able to give you a dark theme finally! We'll share more on the how soon, and will be shipping this to all parts of Primer (CSS, React, ViewComponents, design guidelines) in the near future!

I am extremely proud of my team. It's been months in the making, and though there's much more to do, today's ship is a big milestone. The updates to GitHub's design and repo homepage are the result of thoughtful incremental work by the @githubprimer team💖

@githubprimer @BinaryMuse @emplums @dmarcey @shaunkirkwong @AlbinGroen Here are the release notes for v19.0.0, if anyone's interested:

In case you missed it, our awesome systems designer @simurai shipped a beautiful GitHub theme for @code, in light and dark modes 🤩 which you'll be able to use in the browser with Codespaces on GitHub in future ✨ https://t.co/lZUsALrnqt

This got buried under all the other recent GitHub news 😉, but @BinaryMuse & @emplums shipped Primer Components v19! Includes improvements to Box & Flex components, new "sx" prop & more! Thanks to contributors @dmarcey @shaunkirkwong @albingroen Andrew Hill, & Tiaan du Plessis 💓

Props to @colebemis for leading this work, and continued improvements from the rest of the team 🙌