Looks like "Assigned To" field should change from 'freedesktop-bugs #18651' to 'freedesktop-bugs #19304' since 19304 is not a duplicate of 18651 anymore.
Looks like "Assigned To" field should change from 'freedesktop-bugs #18651' to 'freedesktop-bugs #19304' since 19304 is not a duplicate of 18651 anymore.