Unreal Engine Issues
Unreal Engine Issues
ParticlePosition doesn't use Previous values
UE - Niagara - Jan 9, 2024FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...
WP HLOD Crash on Small Cell Sizes
UE - World Creation - Worldbuilding Tools - HLOD - Jan 8, 2024Cannot copy from the message log when building with Clang
UE - Editor - Workflow Systems - Jan 8, 2024This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...
Groom shadows stay visible when component is hidden
UE - Rendering Architecture - Jan 8, 2024This appears to happen with both Virtual Shadow Maps and Cascaded Shadow Maps. ...
Merge Actor - Textures created with the "Merge" option are not visible in the Content Browser
UE - World Creation - Worldbuilding Tools - Merge Actor - Jan 8, 2024A recent modification to the CB behavior made it so that only the main asset of a package is visible in the CB. It was unknown, but the merge actor tool "Merge" option has been creating a single pa ...
Blueprint Typing Potentially Incorrect when using Chooser Plugin
UE - Anim - Gameplay - Jan 8, 2024This appears to be some form of type confusion. In editor, the type of the result pin is a Packed Level Actor Class Reference, but at runtime, the returned value is a BlueprintGeneratedClass. ...
Bug when trying to Ctrl+Z after Replace Actors
UE - Editor - Workflow Systems - Dec 22, 2023From the UDN case #00649142: My team noticed a bug where sometimes when using "Undo" (Ctrl+Z usually) the BP they are working on disappears in the level. We were able to find a 100% repro case when ...
Combined Translate and Rotate Mode broken when using Local Space
UE - Editor - Workflow Systems - Dec 22, 2023From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...
Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load
UE - Gameplay - Blueprint Compiler - Dec 22, 2023If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...
Blueprint editor can crash on removing one of a Sequence node's exec pins
UE - Gameplay - Blueprint Editor - Dec 22, 2023User reported that upon removing a pin from a Sequence node the editor crashed. This only happened once, so may be a multithreading race condition or there may be additional unknown factors. The cra ...