NVIDIA has released GeForce Game Ready Driver 621.24, introducing optimizations for Warhammer 40,000: Dawn of War IV and Assetto Corsa Rally, along with expanded DLSS 5 support and several fixes for graphics and video playback problems.
The update became available on November 12, 2026, and is recommended for players preparing to run the latest Warhammer strategy game on supported NVIDIA hardware.
It also introduces DLSS 4.5 Super Resolution support for both Dawn of War IV and Assetto Corsa Rally, while extending DLSS 5 compatibility to Where Winds Meet.
Beyond gaming improvements, NVIDIA has addressed problems affecting professional rendering applications, video playback and certain RTX Spark systems.
GeForce 621.24 Adds Game Ready Support for Dawn of War IV
Warhammer 40,000: Dawn of War IV is among the main games receiving optimizations in the latest driver.
Developed by King Art Games, the new installment returns to the franchise's traditional real time strategy gameplay, featuring large battles, base construction, resource management and multiple playable factions.
NVIDIA recommends installing driver 621.24 before launching the game to benefit from its latest compatibility and performance optimizations.
The driver also includes support for DLSS 4.5 Super Resolution, which uses AI based image reconstruction to improve visual quality while reducing rendering demands.
Assetto Corsa Rally receives similar driver optimizations and DLSS 4.5 support.
However, NVIDIA has not provided specific performance improvement figures for either title in the announcement.
DLSS 5 Support Expands to Where Winds Meet
Another important addition is DLSS 5 support for Where Winds Meet.
NVIDIA previously introduced DLSS 5 compatibility for Hogwarts Legacy through its GeForce 621.14 driver, released on November 4.
The latest update expands support for the technology's neural rendering capabilities.
According to NVIDIA, DLSS 5 aims to improve the appearance of lighting and materials while preserving important details from the game's original rendered frames.
The technology is intended to provide more realistic visual presentation through AI assisted rendering.
However, actual improvements will depend on the game, graphics settings and supported hardware.
NVIDIA Fixes Video Playback and Rendering Problems
GeForce 621.24 also resolves several issues affecting applications outside gaming.
One correction addresses NVIDIA OptiX Denoiser failures when using Chaos Vantage at high resolutions.
Another fixes inaccurate colors when playing DJI D-Log H.265 video files through Windows Photos or Windows Media Player.
The driver also includes additional fixes specifically targeting RTX Spark devices.
| Affected application or device | Issue addressed |
|---|---|
| Chaos Vantage | OptiX Denoiser failures at high resolutions |
| Windows Photos and Media Player | Incorrect colors during DJI D-Log H.265 playback |
| RTX Spark devices | Display corruption in certain scenarios |
| ASUS ProArt P16 | Netflix playback becoming blank after several minutes in fullscreen mode |
These corrections may be particularly useful for content creators and professionals who rely on GPU accelerated rendering or video processing.
NVIDIA has not listed any known issues in the official release notes for this driver.
However, the absence of documented known problems does not guarantee that every hardware configuration will be free from issues.
GeForce 621.24 Is Available Through the NVIDIA App
The GeForce Game Ready 621.24 driver is now available for supported NVIDIA graphics hardware.
You can install the update through the NVIDIA app or obtain the standalone driver package from NVIDIA's official download service.
For players interested in Warhammer 40,000: Dawn of War IV, Assetto Corsa Rally or the latest DLSS 5 improvements in Where Winds Meet, the update provides the relevant game optimizations and compatibility support.
The additional rendering and media playback fixes also make it a potentially useful release for people experiencing those specific problems on their existing systems.
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