We use search by url ( https://myownjenkinsurl.io/search/?q=egvr ).

Since we updated 2.462.3 to 2.492.3 some of the links refer to a new search with "+" in it, which are broken.

Example search result from above:

If I click on the first search result entry I get a not found page:

Looking at the URL I see this:

search/?q=bk+»+bk_egvr

This remembers me of another issues I have seen which pops up again:
https://issues.jenkins.io/browse/JENKINS-29588
https://issues.jenkins.io/browse/JENKINS-66628