Unreal Engine Issues

Crash importing SOLIDWORKS model

UE5 Main - Editor crashes when creating a Data Table

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Crash on Build All Levels

Crash on Build All Levels after a HLOD warning. EXCEPTION_ACCESS_VIOLATION reading address 0x00000000000000f0 ...

Xcode 8 Beta Toolchain Breaks InfiltratorDemo on AMD On 10.11.6

InfiltratorDemo rendering is entirely broken on 10.11.6 using AMD GPUs when the shaders are compiled to byte code using the Xcode 8 Beta 2 toolchain. This does not appear to occur with the Xcode 7.3 ...

A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function

A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function. Compiling will fail with an error. Reproduced in 4.8.3 binary, 4.9.0 binary, a ...

Log Spam Warnings when adding a font in the Font Editor

Adding Font to a Font asset spams the Output Log with warnings This is a Regression from 4.14.3 Warnings:LogStreaming:Warning: Failed to read file '' error. LogSlate:Warning: GetFontFace failed t ...

Crash in anim blueprint when dragging animation asset over commented space in graph

REGRESSION: Yes, does not occur in 4.14.3 Crash occurs when the user drags an animation asset into a commented area in the Anim Graph. This crash doesn't occur if the user right-clicks inside a co ...

Interface as a function parameter does not get set unless class directly inherits the interface

When a function takes an interface as a parameter, calling that function from a blueprint implementing the interface does not recognize the parameter unless the blueprint's parent class directly inh ...

Placing a Physics Constraint Component in an Actor Triggers a Warning During PIE When There Are No Constrained Components

A warning is appearing in the output log during PIE when an actor contains a Physics Constraint component that does not have any constrained components set. This did not occur in 4.15.2, this is a ...

Cannot add to Override Materials array of a Static Mesh Component

Materials cannot be added to the Override Materials array in a static mesh component because attempting to add elements to the array fails. Regression: Yes - using the plus button to add to the arr ...