I’m investigating a user who can’t see the site’s front page (a different issue).
In doing so, I ran my site’s source through the w3’s validator. This returned many errors of the form:
An img element with no alt attribute must not have any aria-* attributes other than aria-hidden.
While obviously not site breaking, I thought it should be tidied up at some point.
Sorry, I’m not in a position to produce a PR at this time.