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Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →S.T.A.L.K.E.R. 2: Heart of Chornobyl patch 1.1 is a broad update that GSC Game World says includes over 1,800 fixes and adjustments. Its RTX 3000-series graphics fix is specific: the notes say it addresses performance drops when FSR frame generation is enabled. The update also marks what GSC calls the first iteration of its A-Life fixes, covering NPC encounters, visibility, offline behavior and navigation.
What does patch 1.1 fix on RTX 30-series GPUs?
GSC’s patch notes say: “Fixed performance drops on NVIDIA RTX 3000 series video cards with enabled FSR frame generation.” That wording identifies both the affected GPU family and the condition: FSR frame generation must be enabled. It is not a general promise of better performance on every RTX 30-series card, nor does it claim to fix every performance problem on those GPUs.
The note does not name a specific RTX 3000 model, driver version or settings combination, and it reports no benchmark or performance gain. It describes a software fix; it does not say players need to buy a new graphics card. Read GSC’s patch 1.1 notes.
What changed in A-Life?
GSC calls the A-Life work the “first iteration” of fixes. The notes describe changes intended to make NPC activity and movement across the Zone work differently:
#1 Best Overall
- Chipset: NVIDIA GeForce RTX 3060
- Video Memory: 12GB GDDR6
- Memory Interface: 192-bit
- Output: DisplayPort x 3 (v1.4a) / HDMI 2.1 x 1.Avoid using unofficial software
- Digital maximum resolution: 7680 x 4320
- NPCs should no longer spawn behind the player’s back.
- Roaming NPC encounters should happen more often across the Zone, and A-Life NPCs should be visible from a greatly extended distance.
- NPCs operating offline should continue advancing toward their goals over time.
- Offline navigation using GameGraph was improved, with fixes for pathfinding and NPCs getting stuck during online/offline transitions.
- NPC groups were given greater motivation to expand territory and attack enemies and mutants, with more variation in group size and faction.
These are the changes GSC lists, not independent measurements or proof that every A-Life issue was resolved.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What else is included in the 1,800-plus fixes?
The headline figure is GSC Game World’s description of the update’s scope, not an independently audited count. Its notes span AI, balance, performance and optimization, cutscenes, interactable objects, missions, open-world behavior, player gear, menus, achievements, saves, audio, localization and visuals.
Quick Recap
Rank #2
- Chipset: GeForce RTX 3050
- Boost Clock / Memory: 1492 MHz / 14 Gbps
- Video Memory: 6GB GDDR6
- Memory Interface: 96-bit
- Output: DisplayPort x 1 (v1.4a) / HDMI 2.1a x 2
- Crashes: GSC says it investigated over 200 crashes and fixed multiple exception, fatal-error and assertion-failure crashes.
- Cutscenes: The notes say over 80 cutscene issues were addressed.
- Environment and related systems: GSC lists over 500 additional fixes involving foliage, texture flickering, navigation meshes, collisions, object positioning, contextual actions and visual effects.
- Performance: The update includes performance improvements in populated areas, alongside the specifically described RTX 3000-series and FSR frame-generation fix.
When was patch 1.1 available?
GSC’s Steam archive said patch 1.1 was available to download by December 20, 2024. The official support page displaying the patch notes shows the date March 10, 2025. Those dates refer to different records: the archive establishes availability by December 20, while March 10 is the date displayed on the support page. See GSC’s Steam archive entry.
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