Last modified: 2014-02-12 23:52:59 UTC
To reproduce, login to your account on en.m.wikipedia.org, tap 'watchlist' from the navigation, and then tap 'modified' from the watchlist view.
*** Bug 46574 has been marked as a duplicate of this bug. ***
I believe this patchset from Reedy fixed it please update if I'm wrong: https://gerrit.wikimedia.org/r/#/c/55930/