Epic has released Unreal Engine 4.26 Preview 3. Preview releases are intended for testing before the official 4.26 release and includes bug fixes found while preparing for release.
UE 4.26 brings a number of new features, including experimental Fullbody IK solver, a new water system, new audio capabilities, ray tracing improvements, a huge number of cinematic and virtual production updates, and more. See the full list on the Unreal forums.