Unreal Engine Issues
Unreal Engine Issues
Material re-route nodes break TextureSample output
UE - Rendering Architecture - Materials - May 4, 2017This is a bug found by a licensee ...
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. ...
Quixel Bridge opens as a blank window when opening through the UE Main toolbar on Intel Mac
UE - Platform - Apple - Sep 14, 2023Regression unconfirmed because this is a new feature. This is not a regression for UE. Tested in //UE5/Release-5.3 CL28051148. Update: When attempting to reproduce on Apple Silicon, Bridge opens ...
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. ...
UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers
UE - CoreTech - UObject - Jun 9, 2020UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...
Cannot compile project with dedicated server in 4.8
UE - Networking - Jun 23, 2015If a project has built a dedicated server executable then it will fail when trying to convert the project from 4.7.6 to 4.8. EDIT: Following the steps on the wiki page for Dedicated Servers () in 4 ...
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 ...
Child Actor Component references are not sent to the Server through a Run on Server RPC
UE - Networking - Nov 9, 2015Child Actor Component references are not sent to the Server through a Run on Server RPC. Test project attached. Reproduced in 4.9.2 binary and Main (CL# 2758903). ...