Davin Studer Expert

Please be more specific. Your question is very vague.

When you add an image to a page you can put alt text on the image. They don't force you to, but you can put it in.

First, of all probably becasue Atlassian is not a US company. Secondly, 508 is only mandatory to federal agencies. Thirdly, it actually does have most of if not all of the features in that JIRA ticket. What part of that JIRA ticket are not seeing in Confluence?

You can go to https://translations.atlassian.com/and get the translation for your language. Any missing translations you can enter in directly on the website.