Unreal Engine Issues
Unreal Engine Issues
4.14 Launcher version ships with UE4-VulkanRHI*.a but requires Github source
UE - Platform - Mobile - Nov 7, 2016Launcher build ships with VulkanRHI Android binaries but do not seem to support Vulkan on Android from the launcher build without source. ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...
In UE 5.5, "Open Level By Name" is not able to find the map if the map is not added to "List of maps to include in a packaged build"
UE - Framework - Feb 13, 2025The "Open Level By Name" is not able to find the map to travel when the map is not included in the "List of maps to include in a packaged build" option. This issue was not happening in UE 5.3 and UE ...
Merge Actor tool can no longer merge just materials for an actor
UE - Gameplay - Jul 5, 2016In 4.11 when you selected an actor with multiple material elements with the merge actors tool open you had the option to merge the material elements into a single one. This option is no longer valid ...
Block noise on particles/skeletal meshes when launched onto certain Android devices
UE - Platform - Mobile - Oct 12, 2016When launching particles and skeletal meshes on certain devices, they create block noise pixels instead of a smooth flame for example. Regression: Yes Did not occur: Binary 4.12.5-3039270+++UE4+Rel ...
Set Relative Location on components does not replicate to clients
UE - Networking - Sep 2, 2015Set Relative Location on components does not replicate to clients. Reproduced in 4.8.3 binary, 4.9.0 binary, and Main (CL 2676715) ...
Child Actor Component reappears after Undoing Parent Deletion
UE - Gameplay - Blueprint - Feb 5, 2018After loading a map containing a ParentBP with a ChildActorBP, Deleting and undoing the deletion will "resurrect" the original child, and a new child actor is parented to parent. Possibly Related: ...
ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels
UE - Graphics Features - May 13, 2025When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...
OSSNull doesn't properly filter servers based on settings
UE - Online - Oct 19, 2016OSSNull doesn't properly account for bShouldAdvertise or bAllowJoinInProgress. These should be updated in OnValidQueryPacketReceieved. (Note, bShouldAdvertise is explicitly ignored in LAN matches) ...
Asset selection menu tooltips can overlap the dropdown menu
Tools - May 23, 2016Asset selection menu tooltips can overlap the dropdown menu. It is using the Content Browser tooltips, which attempt to go down and to the right of the menu. However, if the menu is close enough t ...