Unreal Engine Issues
Unreal Engine Issues
X axis rotation only follows relative rotation
UE - Gameplay - Apr 10, 2017A user is reporting that the X axis rotation appears to only rotate based on the object's relative rotation, and not rotate based on the world rotation, even when using Set world rotation. For test ...
Material re-route nodes break TextureSample output
UE - Rendering Architecture - Materials - May 4, 2017This is a bug found by a licensee ...
Default UE splash logo appears briefly when launching an application with an alternate launch image on iOS
UE - Platform - Mobile - Sep 15, 2020Various users have reported seeing the default UE splash logo appear briefly before their custom launch screen appears. This was reported to have been seen in 4.25, and did not occur for users in 4. ...
MoviePipeline: Cannot add per-shot {file_format} name overrides
UE - Anim - Sequencer - MRQ - Feb 3, 2022void UMoviePipelineBlueprintLibrary::ResolveFilenameFormatArguments(const FString& InFormatString, const FMoviePipelineFilenameResolveParams& InParams, FString& OutFinalPath, FMoviePipelineFormatArg ...
[MetaSounds] - Changes to Sort Order do not undo/redo as expected
UE - Audio - MetaSounds - Nov 15, 2022Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...
A LevelSequence will lose the binding to objects contained in a level instanced inside another level
UE - World Creation - Worldbuilding Tools - Level Instances - Sep 15, 2025A LevelSequence will lose the binding to objects contained in a level instanced inside another level on 5.6 and up. Refer to the reproduction steps or the shared repro project provided by the licens ...
Values for InitialOnly replicated arrays can fail to be captured in replay when removed and re-added between checkpoints
UE - Networking - Oct 2, 2025When the first checkpoint is recorded, the correct array properties will be captured in the LifetimeChangelist. When these array items are later removed and another property on the actor is changed, ...
Launch crashes on Android if device has Wifi disconnected
UE - Platform - Mobile - Mar 10, 2016Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...
Input Action Events are not included in the list of overrideable functions in the My Blueprints tab
UE - Gameplay - Blueprint - Feb 5, 2016Input Action Events are not included in the list of overrideable functions in the My Blueprints tab. Reproduced in Actor Blueprints and Player Controller Blueprints. This is a regression: overridin ...
RENDERING: Unchecking Actor Hidden in Game for Actors is not letting them be visible in game
UE - Graphics Features - Jun 19, 2014CHANGELIST: 2107728 BRANCH: UE4 DESCRIPTION: Unchecking the Actor Hidden in Game checkbox is not allowing a Note or an Ambient Sound be visible when played in the editor QA REGRESSION? NO ...