Unreal Engine Issues
Unreal Engine Issues
Compare Blackboard Entries returns incorrectly when comparing Enums
UE - AI - Apr 17, 2015While investigating an issue with enum comparisons breaking when the enum changes, I discovered that the comparison will not return true if set to "contains NOT EQUAL values" and the values are not ...
Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically
UE - Gameplay - Sep 7, 2016Crouching/Uncrouching while standing on a physics object will cause the object to behave erratically. Even if the CharacterMovement component has Physics Interaction disabled, it will still effect t ...
Cannot Add Torque to Skeletal Mesh
UE - Gameplay - Jan 15, 2016When attempting to apply torque to a ragdolled skeletal mesh, nothing happens, regardless of the value used. Applying an impulse works as expected, but adding torque seems to have no effect. Found ...
Source control syncing in editor will sometimes not update changes made to assets
Tools - Aug 25, 2015When using source control and attempting to sync the project, sometimes assets are not updated to the latest changes properly. This causes changes made to those assets later to override previous ch ...
Android Crash on app launch if AdditionalPluginDirectories contains wildcards in path
UE - Platform - Mobile - Jun 23, 2017Having wildcards in the path for AdditionalPluginDirectories causes apps on Android to crash on launch. When testing this on iOS, the app did not crash but froze at the splash screen instead. Androi ...
[CrashReport] UObjectBaseUtility::IsA | UObjectProperty::SerializeItem
UE - Gameplay - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Update: also occurring in 4.18 User DescriptionsCompiled after Refreshing Blueprint node after changine its namePressed compile after creat ...
Camera Switcher Import option not functioning properly
UE - Anim - Sequencer - Oct 22, 2019In UE 4.20 we got a feature that let you import a FBX file that contains cameras with a camereaswitcher to create a "camera cut track" within sequencer. From the release notes of 4.20: https://docs ...
Mesh reduction modules selection aren't properly applied on engine restart
UE - Engine Scaling - Streaming - May 4, 2023Recent changes in the MeshReductionManagerModule::StartupModule() have introduced issues where it won't respect what reduction modules have been set in the config file. This is a big issue for plugi ...
can not load all actors when load level with ULevel::LoadAllExternalObjectsTag
UE - Engine Scaling - Streaming - Jun 25, 2024the udn link:https://udn.unrealengine.com/s/question/0D5QP00000OxDLH0A3/%E9%80%9A%E8%BF%87%E4%BB%A3%E7%A0%81%E6%88%96%E8%80%85%E8%93%9D%E5%9B%BE%E8%8A%82%E7%82%B9%E5%A4%8D%E5%88%B6%E5%85%B3%E5%8D% ...
World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance
UE - Rendering - Features - Nanite - Dec 19, 2024Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...