Unreal Engine Issues

Crash when attempting to paste a spawnable sequencer binding with a null object template

Crash when enabling dynamic branch on static switches in Post Process Materials

[Link Removed] Some functions to access parameters don't take into account the newly added runtime static switch parameters. It should be straightforward to fix these up: void UMaterialInstance:: ...

[PCG] Delayed PCG Component Unregister causing stale pointer crash

Cooked game crashes during async loading when the engine also has to load another package

[CrashReport] Mac/Metal Intel compiler crash - UE4Editor-MetalRHI.dylib!CreateMTLRenderPipeline()

Mark S: This is an Intel compiler failure on macOS 10.12.6. Callstack from LogAssertion failed: [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/Apple/MetalRHI/Privat ...

Importing a 16x16km landscape at 0.5m resolution crashes Unreal (not enough VRAM)

Custom Primitive Data crash when used from Static Mesh Comp attached to BP Actor

When trying to edit custom primitive data on static meshes attached to a BP actor, an out of bounds access will occur. This does not occur when the static mesh is simply on a regular Actor (Same rep ...

Adding Megascans 3D objects to a scene can cause Twinmotion to freeze and Crash on macOS.

Looking at the logs when it happened, the logs are spammed with the following: [2024.12.10-20.34.12:438][514]LogZenServiceInstance: Display: Unreal Zen Storage Server HTTP service at [::1]:8658 sta ...

Crash: Nativized AnimBP instances can assert on load in a cooked build with async loading enabled.

This is a regression that was introduced alongside a memory optimization for Animation Blueprint assets. Suggested workarounds:Disable "Async Loading Thread Enabled" ORDisable Blueprint nativizati ...

Crash at compile time when using a VariableSet node with a local variable created by pasting a private property

When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...