I recently got frustrated with JSDSERVER-357 and this feature request not being implemented for four year, so I've decided to hack around it.
Disclaimer: this is not a general solution, but a highly tailored to our needs.
Our customer portal is not public and I very well know each customer as they are explicitly allowed for a SD project.
Customers want to sort by columns, nothing more. I've hacked a solution using scriptrunner's REST and a userscript which loads all issues and renders a datatable - sortable, filterable, searchable.
I want to ask the community for a feedback regarding security consideration, other considerations., general feedback. Maybe you can join and help improve the "solution" and make it more general.
This is the REST groovy: https://gist.github.com/weboholic/bf5aa4f6242389033859498f11e8889f
And this is the userscript: https://gist.github.com/weboholic/e2d7d0d190bcf0839aa950dc9040b01f
Edit: this is how it looks
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