Last modified: 2013-01-18 00:41:37 UTC
Toolbar tooltips should also suggest key-commands - e.g. the bold button's tooltip should be "Bold (Cmd+B)". Not hard-coded but created live, though there may be i18n issues.
Patched in https://gerrit.wikimedia.org/r/#/c/44347/
Now merged, will go out in 2013-02-04 release cycle.