Unofficial Oblivion Patch

There are also a number of tags in the LOOT masterlist, namely:

UOP: Actors.RecordFlags, Actors.Spells, C.RecordFlags, Graphics, Invent.Change, NPC.Eyes, NPC.FaceGen, NPC.Hair, NPC.Race, Sound, SpellStats, Text
Oblivion Citadel Door Fix: Graphics
USIP: Actors.RecordFlags, Actors.Skeleton, Actors.Spells, C.Music, Graphics, NPC.Class, NPC.Eyes, NPC.Hair, Sound, SpellStats, Text
DLCHorseArmor - Unofficial Patch: Actors.ACBS, Actors.AIPackages
DLCOrrery - Unofficial Patch: Graphics
DLCVileLair - Unofficial Patch: Actors.ACBS, Actors.AIData, Actors.AIPackages, Actors.RecordFlags, C.Water, NPC.Eyes, NPC.Hair, SpellStats, Stats, Text
DLCMehrunesRazor - Unofficial Patch: C.Light, Graphics, Text
DLCSpellTomes - Unofficial Patch: SpellStats, Text
DLCThievesDen - Unofficial Patch: Actors.RecordFlags, Invent.Change, NPC.Class, NPC.Eyes, Scripts, Text
DLCBattlehornCastle - Unofficial Patch: Actors.ACBS, Actors.AIPackages, Actors.RecordFlags, C.Light, Graphics, NPC.Eyes, Names, Stats, Text
DLCFrostcrag - Unofficial Patch: Actors.RecordFlags, Actors.Spells, C.Light, Scripts, Sound
Knights - Unofficial Patch: Actors.AIData, Actors.Stats, C.Light, C.Music, C.Name, Graphics, NPC.Class, NPC.FaceGen, Scripts, Sound, SpellStats, Stats, Text. The Relations tag can just be replaced by Relations.Change since it was split into Relations.Add & Relations.Change, but the plugin doesn't add any relations to any factions.

There are also a number of deprecated tags that can be replaced, a list can be found in WB's docs.