Left4Info/TrinityCore — comment on commit 7876c077fafc1e3efc8eca4c15e7bee07e00b866
File:  line 0
By Vasago:

In version 3.3.5a on offy was not any cooldown after dungeons - It even not had locks for heroics (you could go heroics over and over again - but reward only first of course) - I played there ...

Also it very often do not give any rewards like XP or bags with items on low lvl dungeons - i.e. - maraudon or scarlet monastery