The change of from "tags" to "tag" in its URL affects my Discourse since they are linked in many posts. How can I automatically change them?

[JammyDodger]

I thought that inline onebox example worked, but then it didn’t, and then it did again. And it does if you refresh the ‘oops’ page as well. I’ve done a bit of digging and found this existing #bug topic on what seems to be the same thing:

Switch from TAGS to TAG broke links in posts and "Delete Unused Tags"

Our forum software was updated to version 2.8.0.beta6 about two weeks ago. Previously tags was used in the URL for the overview as well as for individual tags. But now the latter requires tag in the URL, so all links in existing posts take you through to the Oops! That page doesn’t exist or is private. page. I made extensive use of such links in this table. I could have updated the URLs, but that would reset the click counters. By pure luck I noticed today, that there is a redirect in place, …

The OP in that report renamed their tags to get around the issue, though I’m not sure if they went the manual route or used Replace a string in all posts?