Users can now specify the theme an image is displayed for in Markdown. Appending #gh-dark-mode-only
or #gh-light-mode-only
to the end of an image url will define whether it's only shown to viewers using a light or a dark GitHub theme. For example:
The GitHub logo in the above screenshots uses the following Markdown to specify the theme context:
![GitHub-Mark-Light](https://user-images.githubusercontent.com/3369400/139447912-e0f43f33-6d9f-45f8-be46-2df5bbc91289.png#gh-dark-mode-only)![GitHub-Mark-Dark](https://user-images.githubusercontent.com/3369400/139448065-39a229ba-4b06-434b-bc67-616e2ed80c8f.png#gh-light-mode-only)