Last modified: 2014-05-08 07:33:01 UTC
How to reproduce: # Go to https://commons.wikimedia.org/wiki/Special:UploadWizard # Proceed until the "describe" step # Enter an invalid title, e.g. containing a "[" # UploadWizard will throw: Error: Unable to parse title https://bits.wikimedia.org/commons.wikimedia.org/load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.triggerQueueCallback%2CloadingSpinner%2CmwEmbedUtil%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20140505T003542Z Line 206 Expected: Error message in UI and not in JS console :P
https://gerrit.wikimedia.org/r/131595/ has a related patchset uploaded by me.