Jira Accessibility: Cannot tab-navigate to fields in the issue view screen

Summary

Fields in the view issue screen cannot be navigated to using the Tab key if their values are not links.

Environment

This is reproducible in all browsers.

Steps to Reproduce

1. Go to an issue
2. Keep hitting tab to go from one field to the next

Expected Results

All fields should be focused so screen-readers can read the values in them.

Actual Results

Fields such as issue type, priority, ... are not skipped, thus a screen reader cannot read the values.

Notes

Impacted fields will become navigable if they have hyperlink values such as Labels, Component/s, ...

Workaround

By default, only hyperlinks, buttons and form fields are tab navigable. More items can be added if they have the HTML property tabindex set to a 0+ value.
A workaround would be to run extra JavaScript on the issue view screen to the tabindex value. For example:

document.getElementById("customfield_10880-val").tabIndex=0