Unreal Engine Issues
Unreal Engine Issues
Unable to input with IME in widget component.
UE - Editor - UI Systems - Feb 12, 2020Unable to input IME text in widget component, but able to input IME text in textbox like UMG designer. It works fine until 4.21, however it wasn't able to work after 4.22. Workaround: void FSla ...
[Quartz] - The multiplier does not always respected on the Quartz Quantization Boundary
UE - Audio - Quartz - May 13, 2022Increasing the multiplier past a certain point causes sounds on a Quantization Boundary to struggle to play at the correct time. The repro above uses 1/32, but this also repros with other values. ...
XR Planar Reflections lag behind VR headset movement
UE - Platform - XR - Mar 24, 2023Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...
The AABBTree spatial acceleration structure goes off-sync when physics substepping is enabled in a "low" framerate environment.
UE - Simulation - Physics - Mar 15, 2024When you enable the physics substepping, if you run the console command p.Chaos.Solver.DebugDrawSpatialAccelerationStructure 1, you can see how does not follow the physical object. The user that rep ...
[Legacy][FBX] Animation curves are not added to the skeleton anymore
UE - Editor - Content Pipeline - Import and Export - Jan 17, 2025Cached State Machine is re-initialized whenever cached pose is referenced
OLD - Anim - May 19, 2015This may not be an expected use of state machines, but it is becoming a showstopper for a couple of users. These user's are caching their locomotion state machine and then using a second state mach ...
Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate
OLD - Anim - Mar 20, 2015Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...
Duplicating meshes in blueprint improperly place transform widget and initially does not appear in viewport
UE - Gameplay - Blueprint - Jun 24, 2015If a mesh is duplicated within a blueprint components panel, it will be invisible in the viewport, the transform widget will incorrectly align itself and refrain from moving, and if the transform wi ...
OnClicked events do not trigger on objects 100k units away from camera
UE - Gameplay - Mar 26, 2015Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...
LIVE: Morph Targets do not update in Construction Script
OLD - Anim - Oct 21, 2014Morph Targets do not update in Construction Script Tested in 4.5 Release and in Latest Promoted (//depot/UE4/Promoted-CL-2323471) ...