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The Small Print

The Small Print

Three Unreal Engine 5.8 settings that cost frame time without anyone choosing them - a stray Lighting Scenario checkbox, a Nanite landscape that is still ray traced, and the Epic anti-aliasing preset - with measurements and the fix for each.

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Running in the Dark

Running in the Dark

In Unreal Engine 5.8, a Level Sequence leaves its skeletal meshes animating every frame while they're off screen, and pausing or stopping it doesn't help - how to spot it, what it costs, and a workaround.

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Waiting for Navmesh

Waiting for Navmesh

An Unreal Engine 5.8 regression in the navigation system that crashes after level streaming, or quietly leaves the world with no navmesh at all - how to spot it, and how to fix it.

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