Unreal Engine Issues

Crash when trying to "Update Mesh Section" on any procedural mesh just after "Clear Mesh Section" and "Create Mesh Section" for different vertices and triangles.

the editor Crashes when trying to "Update Mesh Section" on any procedural mesh just after "Clear Mesh Section" and "Create Mesh Section" for different vertices and triangles. Found in 4.19 CL# 4033 ...

Editor not properly handling frame ranges for 60fps animations

The editor does not seem to be handling frame ranges properly for 60fps animations. Say you have a 200 frame animation that spans frame 0-200. Upon import it will be 201 frames. If you set the ra ...

Using dynamic bindings in a code class will result in the bindings becoming a permanent part of any Blueprint created from that class if a hot reload is performed.

If dynamic bindings are being used in a custom code class from which Blueprints are derived, any hot reload will make the bindings a permanent part of the Blueprint and they cannot be removed or cha ...

Editor Crashes when Isolating a Material Element on Skeletal Meshes with Ray Tracing Enabled

With ray tracing turned on, clicking on the isolate material option next to a material slot on a skeletal mesh with more than one material slot, causes the editor to crash. Found in 4.22 CL# 7053647 ...

Crash exiting play in vr preview with -Vulkan and Oculus Rift

Editor crashes after exiting a play in vr session with -Vulkan enabled Exclusive to Oculus Rift ...

IOS crash disabling idle timer when closing the app

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...

BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.

In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...

A Blueprint containing an array Swap node will fail to be nativized.

Blueprint assets that utilize an array "swap" node to swap elements cannot currently be converted to C++. Current workaround: Either avoid use of the "swap" node or exclude the Blueprint asset from ...

Crash when closing a connection from listen server when using

Ensure triggered upon improper math expression

An ensure is triggered upon entering an improper math expression. ...