Here’s what happened:
It’s possible that a modder named their custom build “1031 upd” as a playful nod to the beta version, or as an internal version number that escaped into public chat logs. Some archived Discord messages from 2019 reference “1031 upd” in the context of a modding tool update, not a base game patch.
If you’re interested in obscure Hollow Knight patches, here are three actual rare or forgotten updates worth exploring:
I can give you step-by-step instructions on how to downpatch your game build to this exact release. Share public link hollow knight 1031 upd
When enthusiasts dive into the "1031 upd" files, they aren't finding new bosses or hidden areas. Instead, the focus seems to be on the game's plumbing. Key Improvements Identified
Even after debunking, “1031 upd” continues to circulate. Why?
For a full historical record of changes across all versions, you can visit the Official Hollow Knight Wiki Patch Notes or check the original developer logs on the Steam Community Forum , such as the 2026 refreshes for Steam Deck Here’s what happened: It’s possible that a modder
The primary objective of the 1.0.3.1 patch was correcting how individual character stat buffs reacted to specific environment interactions.
The 1.0.3.1 patch targeted unintended physics bugs and menu glitches that disrupted exploration.
For those who may be new to Hollow Knight, the game is set in the fictional world of Hallownest, a long-abandoned kingdom hidden beneath the earth. Players take on the role of the Knight, a silent, masked figure tasked with uncovering the secrets of Hallownest. The game is renowned for its atmospheric soundtrack, beautiful hand-drawn graphics, and challenging gameplay. Share public link When enthusiasts dive into the
+------------------+-----------------------------------+------------------------------------------+ | 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
This release was crucial for polishing the base game experience shortly after launch. The patch notes detail a wide array of improvements across gameplay, user interface, audio, and stability.
: The update addressed several technical glitches and "bugs" (ironic, given the game's setting) that players had encountered in Hallownest [16].
: The battle was amended so that the boss no longer causes a large knockback while shrivelled, though its HP was slightly increased to compensate.
Narratively, the climb from 100% to 103% mirrors the Knight’s transformation from tool to individual. At the start, you are a nameless vessel, “no voice to cry suffering.” The 100% path keeps you that way—a perfect, obedient container. But the 103% path requires acts of defiance: challenging the King’s legacy, uniting the scattered Void, and, most critically, entering the Radiance’s mind not to contain her but to destroy her. The final percentage point is awarded not for a collectible, but for an act of will. It is the game’s way of saying that a life fully lived cannot be measured by accumulation. It is measured by what you are willing to break.