Unreal Engine Issues
Unreal Engine Issues
Enum Element Names Reset on Project Upgrade
UE - Gameplay - Feb 22, 2017Upgrading a copy of a project from 4.14 to 4.15 appears to be resetting the names of enum elements on switch on enum nodes. Opening the enum, saving it, and then restarting the project seems to res ...
Inconsistent Prioritization of Navigation Modifiers
UE - AI - Dec 12, 2016When working with Nav Modifiers in a level that contains objects that have a custom Nav Area class, the prioritization of the modifiers is not consistent. If you notice in the attached project, so ...
[Latest Macbook Pro][Metal] blinks severely
UE - Graphics Features - Apr 6, 2017This bug causes the screen to flicker randomly, even in simple, blank third person project templates. Even the basic starter content, the main editor area is blinking all the time if the user chooses ...
Bright Flickering or Black Squares with Rectangle Lights Intersecting Meshes
UE - Graphics Features - May 31, 2024Rect Lights that intersect geometry can produce NaN pixels in SceneColor, which will affect bloom, FXAA, and other future passes. This can lead to large visible artifacts. The NaN values are produc ...
Sound Mixes not working on Mac
UE - Audio - Feb 9, 2017Sound Mixes do not seem to work for Macs. In this particular case I used the Push Sound Mix blueprint node to affect the currently playing sound in the level. This same project works fine on Window ...
iOS Shipping Build using std::thread crashes on launch
UE - Platform - Mobile - Jun 2, 2017A user is reporting that using the following code in a GameMode class causes shipping iOS packages to crash on launch:void ANOGSSDKGameModeBase::StartPlay() { std::thread([](){ std::clog << "THRE ...
Anim notify gets skipped when clips are placed next to each other
UE - Anim - Sequencer - Jan 12, 2017If a sequence has two clips(of a same animation) placed next to each other, some of the anim notifies do not seem to be called. In 4.14, the middle notifies are skipped (e.g. notifyBegin/1st clip ...
Key precision problems on some short animations
Tools - Apr 5, 2016Please see attached UE4_anim_interp_bug.fbx for a second example. This works as expected in 4.7 and 4.8 I've got a couple different users reporting this now. I suspected animation compression to ...
Animation curves on Montages are not remapped when using a 'Compatible' skeleton
UE - Anim - Runtime - Jun 27, 2023[Link Removed] From UDN: If you are using the new compatible skeletons feature and you have a Montage with an attribute curve on it, the curve is not correctly mapped to the target skeleton. So ...
UI_BUILD_SHIPPING_EDITOR not defined warning occurs when building for Android
UE - Platform - Mobile - Jan 18, 2017The following warning occurs when building a project for Android in the Test configuration. LogPlayLevel: UnrealBuildTool: [119/283] clang++ Module.Core.4_of_8.cpp [armv7-es2] LogPlayLevel: Unreal ...