Big Long Complex V13 Patched -

(and its subsequent patches) introduces several gameplay mechanics and bug fixes that resolve long-standing progression issues. Key Gameplay & Puzzle Fixes The Safe and Padlock Box

Here is what the V13 BLC patch does:

Despite the "patching," the consensus grade has solidified at V13 (8B) , making it a "must-do" for elite climbers visiting the region [2, 6]. Technical Breakdown of the V13 Patch big long complex v13 patched