Unreal Engine Issues
Unreal Engine Issues
In-Memory replay checkpoints incorrectly deleted when stream length is less than TimeBufferHintSeconds
UE - Networking - Mar 18, 2024The buffer start time is calculated by subtracting the TimeBufferHintSeconds from the stream length: const uint32 BufferStartTimeMS = UE::LWC::FloatToIntCastChecked<uint32>(FoundReplay->StreamInfo.L ...
Add error message when unable to delete external actor file on disk
UE - World Creation - Worldbuilding Tools - OFPA - Apr 11, 2024Renaming an input class or struct to a Chooser breaks evaluation of EvaluateChooser node
UE - Anim - Gameplay - May 23, 2025The evaluate chooser node generates input pin names based on the parameter class / struct names. When that class or struct's name is changed, the pin doesn't update to account for that and so we si ...
Ensure condition failed: !TagRedirects.Contains(OldTagName) Renaming Gameplay Tag twice
UE - Gameplay - Jul 6, 2017It appears the ensure only happens once. Cannot get the ensure to happen once Project Settings is closed. This also occurs in 4.16.2 so it is not a regression ...
Console variables help button not providing html document or opening web page
Docs - Dec 13, 2019Selecting the Console Variables help option or using 'help' does not lead to a webpage or provide a link. ...
Renaming a level by WorldPartitionRenameDuplicateBuilder fails if the level contains GroupActor with non-spatial actors
UE - World Creation - Worldbuilding Tools - World Partition - Oct 24, 2023Referece to the source level should be fixed by FReplaceObjectRefsArchive, but it is not working because ArIsModifyingWeakAndStrongReferences is not set. It can be fixed by setting the flag.class FR ...
[Interchange] Bone name space are replace with underscore, legacy fbx rename with dash
UE - Editor - Content Pipeline - Import and Export - Nov 6, 2024This bug is critical since it can broke bone name reference between [animations, physics asset, curves, ...] and skeletal mesh bone name ...
When cutting and pasting an actor on the outliner, the actor name becomes generic name (StaticMeshActor#).
UE - Editor - UI Systems - Feb 28, 2025Clicking "X" close button when prompted to convert a project will still convert the project
Tools - Apr 27, 2015The prompt window that appears when a project is converted from one engine version to another will "approve" the conversion even if the red "X" is pressed to close the prompt window. ...
Fonts that are really tall can clip outside of the text block (potentially cutting off some of the lettering)
UE - Editor - UI Systems - Jun 9, 2015If the user tries to use a font that is really tall the font may get the top portion of the text clipped off. ...