3.4.0d Patch Notes: Multiple bug fixes and gameplay improvements for Path of Exile Delve.
What changed
Fixed: a bug where aura stat bonuses would not apply correctly in some cases.
Fixed: the most common client crash when entering Delve or loading the Delve map, and various Crawler issues.
Fixed: a client crash when fighting The Animal Pack, and a bug preventing placement on Delve Ladder.
Updated: Delve monsters now use EMP attacks less often, with longer cast time and half duration.
Fixed: a graphical crash (often with Izaro), and incorrect attack speed bonus on Speaker's Wreath.
3.4.0c Patch Notes
Fixed a bug where the bonuses from stats that grant extra effects to "you and allies affected by your auras" would not correctly apply in some cases, such as when transitioning areas.
Fixed the most common client crash that could occur when entering a Delve or loading the Delve Map, as well as various other issues with the Crawler's behaviour and selectability in Delve.
Fixed a client crash that could occur when fighting The Animal Pack.
Fixed a bug preventing players from being placed on the Delve Ladder.
3.4.0d Patch Notes
Monsters in Delve now use EMP attacks less often. The EMPs also take longer to cast and last for half as long.
Fixed a graphical crash (which often happened with Izaro)
Fixed a bug where the attack speed bonus on Speaker's Wreath was calculated incorrectly.