Unreal Engine Issues
Unreal Engine Issues
Blueprint Diff tool fails to find nodes deleted from an Anim BP and also shows the incorrect State Machine rule
UE - Gameplay - Blueprint - Aug 24, 2017When using the Blueprint Diff tool to diff an Animation Blueprint, it fails to find nodes that have been deleted from a State Machine rule. It also fails to show the correct State Machine rule when ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
The tooltip of a UPROPERTY enum is not refreshing in UDetailsView
UE - Editor - UI Systems - Oct 15, 2024There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...
Mobile Depth of Field blurry eveywhere
UE - Platform - Mobile - Oct 30, 2024user reports I investigated the problem throught the frame capture tools and found that on a real device (iPhone 15 Pro in my case), the depth texture for the SunMask pass is not set (a dummy black ...
Improper clipping in children of a retainer widget
UE - Editor - UI Systems - Slate - Jan 21, 2025Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...
[OPENGL]: Enable Subsurface Scattering
Tools - Jun 29, 2015Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...
Video Texture thumbnail does not update after you change its output track
Media Framework - Mar 2, 2017When updating a video texture's output track, the player preview and world will update immediately, however the texture's thumbnail will revert to default color: Black. When moused over, the thumbn ...
Character Mesh Position Offset in Online Sessions
UE - Networking - Jun 12, 2017If a client joins a session while the host is moving their character, the character's mesh will become offset on the client. Example Video: [Link Removed] Found in 4.16.1 and reproduced in 4.17 M ...
IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame
UE - Simulation - Physics - Sep 18, 2018Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...
Marketplace plugins "missing precompiled manifest" on Mac
UE - Platform - Apple - Oct 12, 2021Summary This issue was reported by a licensee via UDN. It appears that all of the plugins generate a "missing precompiled manifest" error when packaging a project on Mac in UE4.26.2.Licensee Platfor ...