Here are the Release Notes for Update 21.2.3, released on Tuesday, October 31st.
News and Notes:
Crafting
Fragments of Gorgoroth Dungeons now have their proper plural names when stacked.
Items
To fix an issue that could prevent their use, the Poorly Hidden Chest, Out-of-Place Strongbox, Out-of-Place Lockbox, and Out-of-Place Chest in the haunted burrow will now disappear and respawn after each opening.
Level 105 Featured Instance Armour sets are once again Item Level 222.
Gorgoroth Scourge Spoils boxes no longer include Gondor Silver Pieces or Anórien Sealed Wax.
Quests and Adventure Areas
Dungeons of Naerband - Thraknul's and Flame-spirits' area-of-effect attacks have had their damage lowered.
Dungeons of Naerband - Boss fight gates should now always re-open when the fight resets.
Dungeons of Naerband - Some monster skills were adjusted to affect Lore-master and Captain pets.
All bosses in the Tier 2 Dungeons of Naerband and Tier 2 Court of Seregost instances have an increased chance of dropping incomparable gear.
The Court of Seregost has been adjusted to address incorrect boss resets. Lhaereth will now always reset when both Rangers are killed.
Rare spawns have been added in Agarnaith and Dor Amarth. This allows Hidden Threats of Gorgoroth to be able to be completed.
Some Gorgoroth swarm and basic mobs were inadvertently dropping loot, which has been removed.
The Quest "Seeking Glory" in Ered Luin no longer allows you to teleport to the NPC, to prevent accidentally getting stuck in a door.
UI
Fixed an issue preventing quest items from being used in a filtered quest that is currently underway.
The Character Panel no longer hides equipped items that are in the Loot Filter.