Unreal Engine Issues

Engine Crashes When Previewing ES3_1 With Material Using World Position Offset (Need Custom Stencil)

This crash will only occur when this criteria is met.You have enabled custom depth with stencils in the project settingsA mesh in the scene is rendering to custom depth with a stencil value of 1The ...

Cannot pass a Dictionary through a Replicated Function

When passing dictionary (map) variables through replicated (to server) functions, the value will not print out on the client. In 4.19.2 (CL-4033788) this caused a crash but in 4.20.2 (CL-4302132) an ...

tvOS crash on startup with Shared Material Shader Code enabled

Enabling Shared Material Shader Code will cause a crash on tvOS From user: "We originally enabled Share Material Shader Code long before trying a tvOS build, making this crash tricky to debug. W ...

Child actor passes a string to it's parent's overloaded constructor the incorrect string is received

When a child actor passes a string to it's parent's overloaded constructor using an overridden function that returns a string it won't receive the correct string. I have verified that the correct fu ...

Audio Components ignoring Start Time set by Play node on Android

Setting the start time within the Play node for an audio component does not function when deploying to Android. The set up works fine when playing on the PC, and the sound functions on the Android ...

PhysX generates extra "sleep" event when moving Kinematic actors away from Simulated actors with Teleport option.

Issue seems to be related to NpRigidDynamic::setKinematicTarget. When called by itself (like in the case of Kinematic bodies moved without teleportation), the simulated actor is woken and is put ba ...

Orthographic Camera view doesn't work with movable directional light shadows and partly with stationary shadows

See attached video for clear examples. When using the orthographic camera perspective with default light settings to stationary for directional light source. Other light sources work as intended. T ...

Actor with Camera Component UProperty causes ensure when PIE ends if replicating

If an Actor with a CameraComponent is set to replicate, ending a PIE session with 2 players will result in an ensure ...

Particle record in the Matinee leads to crash when playing after record.

Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...

Vray Material nodes are disconnected after saved if closing and re opening Unreal