Minor optimizations to enemy damage effects and refinements to map room displays .
Echo Step
: Fixed a display issue specifically for the Shade Marker on the map, ensuring players could always track their lost loot. Environmental & Quest Fixes
, focusing on how they built a world that feels vast and interconnected. Player Perspectives Hollow Knight Reddit hollow knight 1031 upd
Addressed a frustrating glitch where a double-jump instruction would fire instead of a normal jump. This previously triggered a weak, floaty jump that disrupted platforming segments.
+------------------+-----------------------------------+------------------------------------------+ | Boss Affected | Issue Prior to Patch 1.0.3.1 | Resolution in Update 1.0.3.1 | +------------------+-----------------------------------+------------------------------------------+ | Hornet | Stun animation left hitboxes live | Needle hitbox deactivates properly when | | | causing unfair player damage | Hornet is staggered mid-attack | +------------------+-----------------------------------+------------------------------------------+ | Uumuu | Massive knockback when shriveled | Removed large knockback effect; slightly | | | disrupted follow-up strikes | increased base HP to balance difficulty | +------------------+-----------------------------------+------------------------------------------+ | Dung Defender | Early stagger muted the battle | Fixed music logic so his iconic theme | | | track permanently | continues playing after an early stun | +------------------+-----------------------------------+------------------------------------------+ Breaking Down Soft-Locks and Progression Blocks
Projectiles from Soul Twisters would often get stuck mid-air, hanging like permanent, glowing eyes in the Soul Sanctum. Minor optimizations to enemy damage effects and refinements
: Prior to the update, charms that increased nail-slash size (such as Longnail and Mark of Pride) failed to calculate the expanded hitbox parameters whenever the Knight performed an attack while actively sliding down walls. Version 1.0.3.1 correctly mapped the altered weapon reach across all vertical mobility animations.
The arrival of two new bosses— White Defender and Grey Prince Zote —who expanded the lore of the Five Great Knights and the deluded hero Zote.
Beyond fixing combat hitboxes, the update optimized the user interface and game tracking accuracy to satisfy the speedrunning community. : Prior to the update, charms that increased
Hollow Knight has come a long way since the 1031 update in 2017. As of June 2026, the game has been updated to include extensive support for modern gaming, including ultrawide support and enhanced Steam Deck functionality, according to Hollow Knight's wiki on Fandom .
Hollow Knight 1.0.3.1 live for all players - Steam Community
It’s fun to dream about lost content. But remember: No voice to cry suffering. No update to cry hype.
Released originally in May 2017, this specific hotfix targeted major combat discrepancies, graphical issues, and progression-blocking bugs.