I've only spent a brief few hours with Obsidian's RPG/fish-person-friend simulator Avowed so far, but I'm enjoying my time with it. What I haven't been enjoying is the occasional frame rate dip, along with a general twitchiness our Nick highlighted in his performance analysis.
However, it turns out there's actually a simple tweak that enables FSR 3 frame generation, and it's more than doubled my frame rate—but it does come with one major caveat.
A quick bit of late night searching resulted in this post from Reddit user Hawkiinz, in which they reveal an easy way to enable FSR 3 frame generation with a simple engine.ini tweak. Navigate to the file in your Windows user folder, open it in Notepad, add a new entry and save, and ta-da, many more frames with FSR enabled.
The post above refers to the Steam version, but further down the thread you'll find a slightly modified method that enables it in the Microsoft Game Pass release, too.
I'm personally playing on the Game Pass version and can confirm this method worked perfectly on my machine, although your mileage may, of course, vary.
On my RX 7800 XT this results in an increase from 60-80 fps at 1440p with a mix of High and Epic settings (and ray tracing enabled) to a whopping 150-170 fps, even in demanding areas.
It also smooths out the slightly crunchy, frame dipping effect that both Nick and myself experienced in high geometry parts of the map, turning the game from the occasional performance pig into a genuinely slick experience.
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The caveat? It makes waterfalls look awful at certain distances. While regular bodies of water still look fine (Avowed's water looks oddly generic even at native, in what is otherwise a superb demonstration of Unreal Engine 5's abilities), waterfalls can sometimes exhibit a checkerboarding effect with frame generation turned on. Sometimes it's barely noticeable, sometimes… well, it looks like
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