On June 24, 2025, Valve rolled out Patch 7.39c for Dota 2, introducing a mix of balance adjustments and long-awaited bug fixes. The update includes nerfs to several neutral items, tweaks to hero abilities, and improvements to core gameplay mechanics. Notably, issues involving Rubick's stolen spell casting, Queen of Pain’s infinite damage bug, and courier behavior have been addressed. The patch is aimed at stabilizing the meta ahead of this summer’s competitive season.

All Fixes and Technical Improvements Included in Patch 7.39c:
In addition to the balance changes, Valve resolved a number of issues in recent days:

Allow items which are locked for combining to be delivered by the courier
Fixed Abaddon's Mist Coil not dealing self damage when cast on enemies with The Quickening facet
Fixed several bugs where changing styles in the armory didn't update your model's appearance in demo mode
Fixed a bug where changing styles while previewing an item in demo mode would not update the large preview in the armory
Added a new hero-specific setting for Rubick to allow players to configure what quickcast mode should be used by stolen spells
Fixed Ghost Walk's duration being refreshed every time Aghanim's Scepter was dropped or picked up
Fixed Elder Titan being able to repeatedly get the same Damage and Debuff Immunity buffs by alt casting stomp without casting Astral Spirit
Fixed Lich's Level 25 "Frost Shield Provides +50 HP Regen" working on units with pip-based health (Undying Tombstone, Shadow Shaman Mass Serpent Wards, etc)
Fixed Exorcism spirits not respecting the equipped cosmetic
Fixed a bug where items could not be dragged from a courier's inventory to the stash, but could instead only be put in the stash via the Return Items ability
Fixed not showing an error message when requesting delivery and the courier is dead
Fixed courier preserving its orders through death and respawn
Fixed Queen of Pain's Sonic Wave dealing infinite damage and healing when cast on a unit with very high status resistance
Fixed units forever being stuck at 1hp as a knock-on effect of something doing infinite healing
Fixed "Owned By:" tag showing up on items used while in fog of war on Dire side only
Fixed Undying level 20 talent not spawning Tombstone on death
Fixed being able to activate a Watcher when two allies decapture the same Watcher

Patch 7.39c follows up on earlier iterations in the 7.39 update cycle, addressing longstanding technical issues that affected both casual and professional play. The fixes aim to ensure a more stable and consistent gameplay experience. You can find the full breakdown of balance and gameplay changes introduced in Patch 7.39c via the link.