Unreal Engine Issues
Unreal Engine Issues
Asset players in LinkedAnimInstances are ticked twice when a PostProcessAnimInstance is present
OLD - Anim - Apr 14, 2020Reported here: https://udn.unrealengine.com/questions/569091/animation-playrate-in-linkedanimgraph.html I tested with a downloaded copy of 4.24. It looks like this would also happen in 4.25 though. ...
Replacing a UI widget element and then undoing it causes the Widget Blueprint's UI elements to be deleted on editor restart
UE - Editor - UI Systems - Jan 25, 2021When using the Replace With option and then undoing it, upon engine restart the Widget Blueprint's UI components are all removed from the Widget Blueprint. It seems the undo is crucial to the issue, ...
[Sound Cue] - Randomizer in Sound Cue always picking first input on level load
UE - Audio - Dec 8, 2022Reproduced 10/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. None of these settings seemed to have any effect:Preselect at Level Load (Random nod ...
Setting Slate.ShowBatching to 1 makes the entire screen green unexpectedly
UE - Editor - UI Systems - Slate - Jun 19, 2025This issue may have occurred due to a refactoring of the related functionality during the engine update from version 5.4 to 5.5. The main reason is that the randomization of BatchColor doesn't work ...
Actors attached to a Child Actor Component do not replicate movement on the Client
UE - Networking - Oct 20, 2015Actors attached to a Child Actor Component do not replicate movement on the Client. User's test project attached. Reproduced in 4.9.2 binary and Main (CL 2735029) ...
Reduced Tessellation at edge when using world displacement
UE - Graphics Features - Jan 11, 2016Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...
Sweep on Set Actor Location is ignored for all components that aren't the Blueprint's root
UE - Gameplay - May 28, 2015Sweep on Set Actor Location is ignored for all components that aren't the Blueprint's root. Reproduced in 4.7.6 and Main (//depot/UE4/Promotable-CL-2568226) ...
Arabic Localization has both Arabic and English letters occupy the same space
UE - Editor - UI Systems - Localization - Mar 10, 2018In past Engine Versions, Arabic Localization has not been in the Editor, but now symbols populate, but are split with English words. If Arabic is functioning, they should replace English words, not ...
Switch Skeletal Mesh node crashes the editor if the blueprint is compiled.
OLD - Anim - Feb 8, 2016Switch Skeletal Mesh node crashes the editor if the blueprint is compiled after changing the mesh being called on node. Frequency: 3/3 CrashReporter: N/A NOTE: tied to [Link Removed], however on ...
ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes
UE - Rendering Architecture - Materials - Sep 6, 2021The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...