Unreal Engine Issues

Crash in GetScreenRect on OPPO and Vivo devices

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Animation Interpolation will not occur if the Evaluation Rate is set at the same value as skipped frames

When an animation is skipping frames, interpolation will not occur if the Max Evaluation Rate is set to the same number as the number of frames being skipped (or 1 frame higher). The Eval Rate will ...

GetScaledCapsuleHalfHeight does not work properly if X or Y is lower than Z scale

GetScaledCapsuleHalfHeight multiplies the CapsuleHalfHeight by the lower scale value, even if it is X or Y. Seeing as Half Height should only be related to the Z scale, this does not work out proper ...

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint. The Struct appears to throw an error when making changes that are seemingly unrelat ...

Crash When Toggling Visibility of Level with Planar Reflection

This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...

Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23

When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...

The base color of a material in unlit mode changes when specular amount is above 0.0

Material's RGB base color values are changed in Unlit mode when specular is greater than 0.  User repro video:  [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...

Streaming a Widget Class with Remote UMG displays the NO SIGNAL slate on remote devices

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.