The topics thumbs using a link are not resized/cropped resulting in weird issues. Is this something normal (like to have big backgrounds) or an actual bug ?
I think that in ACP since you can enter a max value it should be cropped like when you upload the file.
Underscores in links
Not if you use a named link, or embed the image. It's markdown, learn it.
It's a markdown thing
To be honest, it kind of sounds like a bug with the markdown parser...
If you can reproduce it here: https://markdown-it.github.io/
Then you can file it here: https://github.com/markdown-it/markdown-it/issues/new
Be nice though, Puzrin bites
This issue is discussed at length here: https://github.com/markdown-it/markdown-it/issues/38
It seems you'll just have to live with needing to wrap the url in