Last modified: 2012-04-19 21:22:18 UTC
There used to be color coding for Special:AllMessages. it seems that with the RL'ification of the Special page CSS, this has gotten lost somewhere.
The styles seem to be there, but the table cells are missing the am_default and am_actual classes which trigger the background colors.
Regression in r90334's change to SpecialAllmessages's AllmessagesTablePager::getCellAttrs.
Fixed in r99021 on trunk, r99023 for 1.18 branch. Marking for 1.18wmf1 merge.