Forum - Development Manifesto - Development Manifesto: Delirium Improvements - Path of Exile
https://www.pathofexile.com/forum/view-thread/2791689
Summary/TLDR
Monster Damage: Nerfing on a case by case basis, adjusting on-death effects and improving visuals.
Rewards: Monsters deeper in the mist will count more for progress on the encounter reward bar.
On-hit Debuffs: Substantially reduced duration.
On-death effects: Investigating pack-based mods instead of individual, balancing to be in line with this. Improving telegraphing.
Past Content in Delirium: Adding time to the Delirium encounter when interacting with these past encounters.
Item Drop Vacuuming: No, sorry!
Depth Meter: Investigating a way to do this.
Performance: Yes, is being investigated but we're not sure yet what is causing the recent regression.
Visibility: Yes, we're working on improving this.
Make End Delirium Button Bindable: Yes!