The fix for this bug probably involves modifying BugTaskSet.search() to implement an additional "subscriber" option, and then creating a page very similar to +assignedbugs whose view constructs the BugTaskParams and calls the search appropriately.
The fix for this bug probably involves modifying BugTaskSet.search() to implement an additional "subscriber" option, and then creating a page very similar to +assignedbugs whose view constructs the BugTaskParams and calls the search appropriately.