Specify theme context for images in Markdown

Colorblind themes beta

GitHub dark high contrast theme for VS Code

Dark high contrast theme GA

Dark high contrast theme beta for github.com

Dark mode is now available on GitHub Docs. Manage your theme settings in the “Appearance” tab located in your profile settings, then navigate to docs.github.com. Share your feedback on this update with the GitHub Docs

Dark and dimmed themes are now generally available

New GitHub Themes for VS Code

Dimmed theme beta for GitHub.com