Report all things on Phabricator!
AutoWikiBrowser (AWB) has migrated all its bug and enhancement reporting to Phabricator. All new reports should be reported there. You do not need to create another account there, just log in with your normal MediaWiki-account. See this MediaWiki-guide on how to report tasks (bugs and requests) on Phabricator. The reason this migration has been done is because not all AWB users are able to edit Wikipedia (perhaps because of blocks and bans) and it's easier to collaborate for developers on Phabricator.