Redmine

+1 I have this need too. For example many issues are sometimes forgotten to be closed and closed much later. This makes it difficult to create proper "lead time" or other similar perfomance metrics

this feature is present in Redmine helpdesk plugin, where admin can decide the days tickets can be auto-closed if not updated since within a specific time frame (given in days). However the feature only works for helpdesk tickets, it is not generic for all trackers types.

https://github.com/jfqd/redmine_helpdesk

+1 We have a need to be able correct the "closed" date manually as well!

In our case after importing a bulk of historical data from another (proprietary) tracking system, as Redmine does not respect the "closed" field definitions in the file, but rather set it to the import date instead (which makes sense from the perspective of Redmine in a way, but in our cases it makes more sense to have imported issues keep their historical reality in-tact for retrospective reporting from Redmine purposes). It would be nice to be able to set the closed date manually similar to how we can so with other fields as well, as requested in this ticket.

Alternatively (for our case) it would be good to have the option to have Redmine respect the "closed" dates set in files when importing them (as requested in #42993).