Update: Rift 1.8 Hotfix 8

INFERNAL DAWN

 * Laethys:
 * Increased Laethys' Enrage timer by 1 minute.
 * Increased the timer for the Laethys Achievement, 'Gold Rush', from 8 minutes to 9 minutes.
 * Slightly increased the time between minion spawns in the initial phase of the encounter.
 * Greed's Wrath will deal substantially less damage when it ticks just after the target has taken damage from Golden Subjugation.
 * Laethys no longer gains Energy while channeling Golden Destruction.
 * Gilded Shrapnel can no longer be reflected.
 * Maklamos the Scryer: Now with even more squashed bugs.

INSTANT ADVENTURE

 * Onslaughts should be more difficult now, but should also have a max number of Invasions that can spawn an attack a given location.
 * Unleaded Transmutation: This adventure should no longer wrongly inform you that some crates are already filled with lead.

GENERAL

 * Looking For Group: Fixed a bug where you could occasionally be given a Random Normal dungeon when you had queued for a Random Expert.
 * Riftblade: Stoneshield: Fixed this so it no longer prevents certain Event and Boss mechanics it should not be able to block.
 * World Event: The end date on the World Event UI now actually matches the updated event ending date!
 * World Event: Rogue statues no longer appear in the middle of tents set up in Sanctum for the World Event.
 * The 'Hide Other Players' Hit FX' option now actually only applies to player VFX.
 * Fixed a case where attacks in duels wouldn't put characters into combat.
 * EU Shards: Players who have queued quest rewards from the current World event can now claim them properly from the UI.

Source

 * http://forums.riftgame.com/official-rift-news/patch-notes/317422-rift-1-8-hotfix-8-8-00am-pdt-5-16-12-na-1-00am-gmt-2-00am-bst-17-5-12-eu.html