One of the useful features of Jira 7.12 is granting edit rights for filters and dashboards. Why? Because filters allow you to quickly display popular search results and share them with other team members. You can choose viewers and editors of the filters, allowing them to make changes whenever it is needed.
The problem you will likely face is from already having thousands of filters in your system and this feature won't just go ahead and make them editable by others. So how are you ever going to share the burden of editing them all?
An Atlassian Marketplace App called Scriptrunner can help. We have observed that most clients write a pattern in their filter names to help sort them. In a particular example one of our client used "NA" to distinguish filters for users in the North America region. So we were required to write a short script that will:
Using a helpful script that Jonny Carter shared on the Atlassian Community forum we came up with this:
Here's a similar solution for dashboards. You can change it to search based on a dashboard name rather than specify the dashboard IDs.