GitHub is similarly bad (A bit smaller though), but at least their images provide somewhat useful information (Who created it, when, their avatar, how many comments)

Gitlab is nice and compact

The important information to be seen is the issue title, thats what we need in the embed.
A bit of the description can also be useful, but everything else is just wasteful, and makes people want to turn off embeds, which means information isn't visible at all.