Unreal Engine Issues
Unreal Engine Issues
Scaling sphere with gizmo causes it to not work with line trace
UE - Editor - Workflow Systems - Mar 16, 2021Changing the scale of an actor with the level editor gizmo follows a very different codepath than changing it via the details panel. A side effect of this seems to be that line traces will no longer ...
incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform
UE - Graphics Features - Mar 15, 2021in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...
IOStore : Packaged game crashes when doing garbage collection right after cancelling async loading by UnloadPrimaryAssetList
UE - Foundation - Core - RuntimeLoader - Mar 15, 2021Packaged game without IOStore never hits this error. ...
Tagged binding exists after deleting object binding in sequence
UE - Anim - Sequencer - Mar 12, 2021Tagged bindings aren't deleted when their object binding is deleted in the sequence. ...
Reimporting SkeletalMesh with LODs generated via reduction tool crashes when reduction plugin is disabled
UE - Editor - Content Pipeline - Import and Export - Mar 12, 2021When reimporting a Skeletal Mesh that has LODs generated via the reduction tool, the editor will crash if the Skeletal Mesh Simplifier plugin is disabled. This issue was originally reported on th ...
[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels
UE - Audio - Mar 12, 2021When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Precompile occurs in Niagara when Standalone is started, increasing load time.
UE - Niagara - Mar 11, 2021In 4.26.1, if you remove the collision module from NiagaraSystem, the Precompile will not occur. ...
Pasting an Emitter In Niagara System is not created at cursor position
UE - Niagara - Mar 10, 2021Not a regression as this also occurs in //UE4/Release-4.25.4 Behavior should work like other BP nodes, where copy/pasting puts the node where the mouse cursor is located. Current behavior is time ...
Enabling Window Animations causes drop down menus to flicker and be displaced
UE - Editor - UI Systems - Slate - Mar 10, 2021I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...