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lights-patch-v0.3.0-preview619-full.zip 138.6 MB
September 16, 2026

Rain rebalance, another NoHesi fix, crashes and regressions fixes

Still collecting feedback and sorting out all the reports, but they seem to be slowing down, so hopefully this will be the last pre-0.3 preview. Thank you for all the incredible help!

The big change in this build is rebalanced rain. Previously, we mixed things up a bit, leading to 100% of the rain slider meaning 250 mm/h, which, by all means, is a bit too much. From now on, 100% of the rain slider stands for 100 mm/h, and the regular amount of rain is 7%, for 7 mm/h. I also rebalanced a bunch of visuals, audio and such, so that truly violent rains would feel as such (although more work still has to be done).

VR also got a few updates. Now, regular (FSR1, NIS, SGSR1) upscalers are compatible with Single Pass Stereo, and Variable Rate Shading can be enabled without SPS. VRS also got a long-needed fix, moving detailed regions in front of the eyes. There are also a few small fixes here and there. This isn’t much, of course, and I promise to work on VR more after 0.3 is finally ready, but I wanted to be extra sure all of the changes are as safe as I can make them.

A lot of bugs have been fixed — again, thank you so much for the reports! NoHesi points, lap counter at the top, Python apps trying to create textures of 0 size or disabled smoke leading to crashes, audio glitches with DualSense haptic feedback, Neck FX jitter, shadows ghosting with TAA, and a lot more issues have been fixed now. Oh, and also, now CSP offers to upload a crash report, which should help in the future too.

There are some other neat changes, such as the new predictor for remote cars online (opt-in for server admins), AWD2 drivetrain with front axle being the main one allowing to implement majority of modern SUVs, an update to P2P 1v1 mode to make things faster and smoother, new XeSS-for-all and FSR3/4 upscalers, and more, but for now it’s mostly about fixes. Here is the full changelog, and here is the new build.

Please feel free to DM me if you have any questions, reports or suggestions. Thank you!

Oh, and please be careful with your CSP settings for VR: if you had a preset with FSR1 upscaler enabled, it would deactivate SPS and VRS, and now, with both of them working, you could see the visual quality decrease, based on your VRS settings.

Comments (66)

j
jo render · October 2, 2026

Hello, and thank you as always for your amazing work. I was wondering if there is any way to change the Rain FX appearance back to the older style. The Rain FX used before v0.2 was simpler and, in my opinion, easier to see through while driving. The current rain effects look absolutely fantastic, but sometimes the windshield becomes a little too difficult to see through. In the older versions, the raindrops looked more like distinct, beaded droplets on a windshield with a water-repellent coating,. In the current version, the water seems to stick to and spread across the windshield more persistently. Would it be possible to make this selectable as an option? For example, could we choose between the older, more strongly beaded water behavior and the current rain effect? Is there perhaps a way to achieve something similar by editing an .ini file or changing some configuration values? Thank you!

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Ilja Jusupov aka x4fab · October 2, 2026

Hello, thank you! Is it still an issue with the latest build?

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Berkiko · September 21, 2026

Hi, i have a issue with nvidia 3D vision. When 3d is active the text in all apps and messages dissapear. This already happened in the update to 0.2.X, and i solved it downgrading to ver 0.1.79, unchecking the "Custom fonts Rendering Hardware aceleration" option, and updating it again. I've been trying things for 2 days and i can't get the text to appear this time. Is there any way to solve it ?. Thank you for you great job.

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Fresh Da pro · September 19, 2026

Works great but i have tire smoke behind my wheels and it shows in my mirrors in first but when i look back in third nothing is there lol😅

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D.T Precision (\official Assetto Corsa Mod/) · September 18, 2026

I have a issue with this update, interior windows are blurry now and it gives me a headache to drive....

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VB Assetto Corsa scratch made mods · September 18, 2026

Can you do dlaa for VR? Im using someones github dxgi dlaa/dlss addon and it works amazing

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Ilja Jusupov aka x4fab · September 18, 2026

eventually, yes. Doing extrafx for VR is a bit challenging, especially with any change leading to all sorts of issues for all the possible configurations 😅

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Maximilian Wantia · September 18, 2026

Since some previews i cant turn off extended physics, like i uncheck the box, i am going into an singleplayer, and the rain or snow makes my car slide way more then it should. (Also when i check the box)

s
stephlouv · September 18, 2026

Thank you ! Awesome. The Python texture crash is fixed :-) But I have now an issue with GroundFog (I'm in VR, no clue if it's related). At night in the Nordschleife, it's like there is some wrong shadows projected on the ground fog in front of me. I turned off GroundFog in Pure Shader options and it's gone.

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Ilja Jusupov aka x4fab · September 18, 2026

maybe you could ask Peter Boese? or maybe dm me a screenshot :)

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szpeicer · September 17, 2026

Hello, is there a way to make sparks more thick/bright? Unfortunately I can barely see them during daytime.

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Ilja Jusupov aka x4fab · September 17, 2026

hello, are you using pure or default wfx style? I'll work on it

a
autostrafe · September 17, 2026

hi, p2p doesnt work for me, its keeps saying this game mode does not allow to use a non standard steam api DLL, i did integrity checks, everything checks out, help!

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Ilja Jusupov aka x4fab · September 17, 2026

please DM me steam DLLs from the root folder

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Luke Spiteri · September 17, 2026

this is for dlss only?

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S K · September 17, 2026

Does DLSS 5 work with this? I'm getting "failure to initiate" error. Regular DLSS works.

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Taillandier Jp · September 17, 2026

au Top ! la lambo quel homme peut la conduire ? Elle est si belle, des 80's ou de nos jours assurement, je trouve que les moteurs de lamborghini sont meilleurs que ceux de Ferrari (opinion personnelle) merci et bonne route

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marc mmm · September 17, 2026

Why is there now poping with GrassFX? There wasn't any in 0.2.11

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Ilja Jusupov aka x4fab · September 17, 2026

please DM me the name of the track

f
far.x · September 17, 2026

Hi, I'm having input lag. it does not effect FPS but when i rotate my steering wheel there is some big input lag on the cockpit view. Can i get some help please is it setting related ? its been doing that for the past couple preview pacthes

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Ilja Jusupov aka x4fab · September 17, 2026

would rolling back to the previous preview build fix the issue? if so, which one?

S
Sebastian Liriano · September 17, 2026

the game won't load in it says I need CSP for car to work when I try to do rain at least haven't tried anything else

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Ilja Jusupov aka x4fab · September 17, 2026

please DM me CSP log from documents/AC/logs

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Uberbok · September 17, 2026

Thanks for all you do ! ExtraFx motion blur when set to higher levels levels seems to be causing an effect that almost looks like screen tearing around the edges of view, most noticeable when cornering- very jittery. Has been happening since build when changes were introduced.

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Ilja Jusupov aka x4fab · September 17, 2026

could you please DM me a screenshot?

A
ADeBor65 · September 17, 2026

THANK YOU FOR THE WORK YOU'VE DONE, PURE TOP SHOW !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Adam Dutton · September 17, 2026

Says it cannot be installed how do i fix that?

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Slurpyfish SUS · September 17, 2026

manual install, dont drag and drop into content manager

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Finney · September 17, 2026

Great job! Thanks for your efforts!

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xani · September 17, 2026

now works surprisingly great with some performance issues but i think lowering settings a bit for no hesi will work

c
chin · September 17, 2026

rain finally works for me now, thank you for this update

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Antonio Rodriguez · September 17, 2026

It says it is not available to install, im new to pc and im not sur what is wrong.

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Ilja Jusupov aka x4fab · September 17, 2026

please DM me a screenshot

A
Antonio Rodriguez · September 17, 2026

I put it into my files but it says CSP installation damaged, how do i fix this?

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TheBimmerBox · September 17, 2026

i cant see the rain, only on the car... smh

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Ilja Jusupov aka x4fab · September 17, 2026

please DM me a screenshot

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OBD Gaming · September 17, 2026

Even after fresh reinstall of CM & manual install of this CSP update, I have members with the issues "CSP installation is damaged" we have followed the instructions as stated & still have issues. This has been a problem for the last 3 updates. Had users entirely reinstall AC resulting in the same issue, any advice?

I
Ilja Jusupov aka x4fab · September 17, 2026

could you please download the zip file manually and drag dwrite.dll to AC root folder. The version of that file should match the version mentioned in assettocorsa/extension/config/data_manifest.ini

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Lt_ Spirit · September 17, 2026

Hi! Custom Soft Lock on FFB tweaks seems to be broken now, for some reason if you turn right until the point you touch the soft lock, it will then force itself to turn right until it hits the actual wheel endstop. Happening with a Fanatec CSL DD 8nm. Turning off that option gets rid of this bug.

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Ilja Jusupov aka x4fab · September 17, 2026

thank you, checking

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Raul David Medina · September 17, 2026

Thanks!

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Adam Borros · September 17, 2026

my league while practicing is noticing an odd shakyness while only in the corners at Indy in indycars likely cause the speed it wasn't like this before this update from what I can tell. Also the Digital_Panels.ini is till not working as its how i had my push 2 pass lights mapped to show

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Ilja Jusupov aka x4fab · September 17, 2026

I haven't really changed anything that could affect it, but I'll look into it. And, I'll try to find more details about p2p issue to fix it

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db.nov.blue · September 17, 2026

After applying this update I have to restart the weather fx in pure config app, or activate pure in the pure app in game - it doesn't seem to start automatically anymore. Anybody know if it's related to this update, or might it be something else? "Weather Style" is already set to Pure LCS in csp

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Ilja Jusupov aka x4fab · September 17, 2026

hmm, are there any errors shown in the Lua debug app?

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VortexSim · September 17, 2026

Most of the CSP Previews are working now, thank you! But this one is still creating previews that are dark to the point of black when 'CSP for Final Render is Turned On'. Only the final Preview.jpg looks black, the live preview is OK. Showroom: https://www.overtake.gg/downloads/retrolux-studio-showroom.25772/ Preset: https://acstuff.club/s/TeyN

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Ilja Jusupov aka x4fab · September 17, 2026

Thanks, I'll look into it

K
K Barr · September 17, 2026

CRASHES....AND anything above 2.11 ruins racing the ai

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Ilja Jusupov aka x4fab · September 17, 2026

please do send me a crash report, or its ID

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TurboJLo · September 17, 2026

Where do you "opt in" on the server side? I don't see a checkbox or setting for the predictor anywhere on the server tab, only the CSP experiments "adaptive smoothing"

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Ilja Jusupov aka x4fab · September 17, 2026

Try [CUSTOM_PHYSICS] NEW_MOTION_PREDICTION=1, I mentioned it in the changelog

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Malakai Peterson · September 17, 2026

how do these work with no hesi? as soon as you join no hesi it says it needs lights patch preview 445 or earlier???

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Ilja Jusupov aka x4fab · September 17, 2026

hmm, I heard it works. Maybe at this point you could contact no hesi themselves?

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NHC Designs · September 17, 2026

IM GOING TO TEST THIS ONE

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Jim Adams · September 17, 2026

It crashes when I try to race. It says "version of the build doesn't match version set in configuration files". Downgrading to the previous version works fine though.

I
Ilja Jusupov aka x4fab · September 17, 2026

Please reinstall it manually, as it mentiones in the error message

A
André Barranco · September 17, 2026

It fixed the transparent geometry/textures in Interlagos for me. And I noticed how less shiny/reflective the wet surface is. Great release so far. Thanks!

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Henry Rupp · September 16, 2026

Hell yea! ❤️👌🏻

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Xavier nicolas · September 16, 2026

Thanks for the work on VR, ilja. Hopefully, we can get quad view foveated rendering and DLSS. Spasibo!

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Ilja Jusupov aka x4fab · September 16, 2026

that's definitely coming soon, yes :)

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Eli Balderrama · September 16, 2026

just downloaded good update works with no hesi so thats a plus

D
Dr M.Anany · September 16, 2026

hello ,. thanks for the update i am hetting strange bug in Ai lighnting i cant evem disable or enable hight and low beam or making the pure controle them ... i dont know if this is a pure and CSP bug i tried reseting both and the problem still exist

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Ilja Jusupov aka x4fab · September 16, 2026

hello, please DM me your CSP settings

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HalfAwa · September 16, 2026

🤍

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Vidente Music · September 16, 2026

Yes sir another good update

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Adriana Azocar · September 16, 2026

🔥🔥🔥🔥