A Reddit user has demonstrated AMD’s new ML-powered FSR Redstone frame generation running in Monster Hunter Wilds. This game was never designed to support it; it used a community OptiScaler pre-alpha build to bypass official integration restrictions. The user, who shared their test on the r/radeon subreddit, shows side-by-side footage of an older version of FSR Redstone versus the newer Redstone ML frame generation.
AMD began rolling out Redstone ML frame generation more broadly earlier this week with Adrenalin 25.12.1, positioning it as a more advanced replacement for FidelityFX Super Resolution 3. Officially, Redstone requires newer FSR integrations and is tied to recent Radeon hardware. AMD’s documentation notes that FSR 3.1.4 adds the required camera parameter support that developers must implement to enable ML frame generation.
In the clip shared on Reddit, the Redstone-enabled footage appears to show reduced ghosting and fewer reconstruction artifacts than older frame generation methods. This aligns with AMD’s stated goals for Redstone, which uses an ML-based model to predict intermediate frames from multiple inputs, such as motion vectors and depth, rather than relying on purely heuristic interpolation as in legacy FSR frame generation.
As for OptiScaler, which made the user’s footage possible, the tool works by intercepting a game’s frame generation calls and rerouting them to alternative backends, including newer FSR paths. In this case, a pre-alpha build distributed via the project’s Discord appears to be exposing Redstone ML frame generation even though Monster Hunter Wilds ships with an older FSR implementation.
This is unsupported third-party software, however, and it’s running outside AMD’s intended deployment path. OptiScaler’s own documentation warns against use in online or anti-cheat-protected games due to the risk of bans and unguaranteed stability. Hardware requirements also pose a major question mark; AMD has positioned Redstone ML frame generation around its newer Radeon lineup, and it is unclear how broadly compatible this forced approach is across GPUs.
AMD’s new Redstone ML frame generation can clearly deliver tangible image-quality improvements over the original FSR frame gen, even in games that predate it. Still, the company’s current rollout has left gaps that the community is trying to fill with third-party workarounds.
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