Extract update details into a partial
Style with CSS
Add update editing feature
Add Cancel button on Edit page
Allow image upload when updating issues
Refactor code for handling uploaded images
Extract layout for issue/edit and update/edit
Extract @issue/@update assignment
Fix field label
Attach Images to Updates
Prevent guests from accessing issues/new

They wouldn't be able to create the issue if they tried which would
provide bad UX.
Assign update images to Update after upload
Display only original images on issue page