Sealed Truth update nixes some glitches and teases the Cost of Hope expansion Image credit: Rock Paper Shotgun/GSC Game World Get in here, stalker. STALKER 2: Heart of Chornobyl just got its meatiest patch in months, the Sealed Truth update, which has added a spooky, story-based new questline along with various bug fixes. The new quests, which take you deep into the monster-infested bowels of the X-18 laboratory (previously visited in STALKER: Shadow of Chernobyl ), seemingly play up HoC’s horror side, and word is it’ll loosely tie into the plot of the incoming Cost of Hope expansion. Which sounds good, although you might need to fire up an older save to kick it off, as it’s seemingly only available for a brief period early in the game. Watch on YouTube Well, I say "brief". Depending on how far you stalk from the main mission flow, that window could last hours, though it’s still a finite opportunity.…