Unreal Engine Issues
Unreal Engine Issues
Hot Reload: Component bCanEverTick is not updated after compile
UE - Gameplay - Components - Mar 15, 2017Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...
UIpNetDriver::ProcesRemoteFunction warnings appear for ShooterGame clients when switching weapons
UE - Networking - Nov 5, 2015The following warnings appear in the output log for ShooterGame clients when switching weapons. [2015.11.05-19.41.11:550][253]LogNet:Warning: UIpNetDriver::ProcesRemoteFunction: No owning connectio ...
Translucent User Interface materials do not have a thumbnail preview
Tools - Feb 15, 2018Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...
Crash on adding elements to a TMap property
Tools - Jul 25, 2019Adding elements to a TMap<int32, int32> causes the editor to crash if the TMap has a default value associated with it. Tested in 4.22 (CL - 4753647), 4.23 (CL - 7445012), 4.24 (CL - 7605614) ...
FCollisionProfileNameCustomization doesn't support Multiple Values
UE - Editor - Applied Usability - Aug 16, 2023The class FcollisionProfileNameCustomization customizes the property editor for the class FcollisionProfileName. However, it does not handle the case where multiple assets/actors are being edited si ...
When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.
UE - Editor - Workflow Systems - Mar 12, 2024If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...
Water is missing or appears in wrong places due to incorrectly rendered WaterInfoTexture.
UE - Graphics Features - Jun 16, 2025Water is missing, appears in strange blocks, or appears in wrong places due to incorrectly rendered WaterInfoTexture. The WaterInfoTexture is part of the WaterZone actor. ...
Importing FBX that contains a socket from Blender to Unreal, the socket gets rotated by 90° and is scaled by 100
UE - Editor - Content Pipeline - FBX - Sep 9, 2025Context: Sockets are attach points that can be placed on a Static Mesh to attach an object to the static mesh. Problem: Importing an FBX that contains a socket from Blender to Unreal, the socket ge ...
Using VSM and Distance Field Shadows on the same scene results in missing shadows
UE - Rendering - Graphics Features - Shadows - Feb 9, 2026Nanite geometry does not cast Distance Field Shadows outside of the clipmap range for Virtual Shadow Maps. Non-Nanite geometry does cast these shadows. ...
Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component
UE - Gameplay - Jun 17, 2015Other components aren't ignored if 'Ignore Owning Actor' is enabled for a Radial Force component User Description: From 4.7 release notes; "New: Added 'Ignore Owning Actor' option to Radial Force ...