Unreal Engine Issues
Unreal Engine Issues
GetAssetRegistry by class and subclass only works for Material data types
UE - Gameplay - Oct 16, 2018The GetAssetRegistry blueprint node only produces the asset data for the Material class and its subclasses. It completely ignores the asset data for Actor, derived Actor class Blueprints, and the su ...
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 ...
Dragging the Translation Widget in Perspective Viewport on Mac in a second monitor does not translate the selected Actor
UE - Platform - Apple - Nov 11, 2014Dragging the Translation Widget in Perspective Viewport on Mac does not translate the selected Actor, and when dragging is released the cursor is moved to the top left corner of the Viewport. Happen ...
iOS: No game sound after answering incoming call on iOS
UE - Platform - Mobile - Nov 28, 2016When an iOS device receives and answers a call that interrupts a UE4 game, the game will no longer have audio after the call in completed. Expected: End of call returns to gameplay with audio. Actu ...
Moving Child Object in Local Space Causes Flickering
Tools - Jun 30, 2016When moving an object in the viewport that is parented to another object with a scale of -1,1,1, the child object will flicker. This is a regression, this did not occur in the 4.11.2 binary release ...
Crash upon attempting to load into session via Join Session in Blueprints on iOS
UE - Networking - Aug 8, 2018Joining a session on iOS using the Join Session node in Blueprints causes a crash on iOS. This is similar to [Link Removed] but was requested to be entered separately. This has not been reproduced ...
UCommonVideoPlayer/Electra does not work in 5.3
zComponent - Archive - Jan 30, 2024This appears to be connected to playing immediately upon opening. This behavior is not observed when in the Release-5.1 or Release-5.2 streams. With the same setup, the video will start playing on t ...
[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime
UE - Audio - Modulation - Sep 6, 2023Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...
Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video
UE - Graphics Features - Dec 2, 2014This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...
Crash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true
UE - Graphics Features - Path Tracer - May 16, 2025Cash when entering Path Tracing view mode if r.Decal.NormalReprojectionEnabled true The licensee has reported: This crash happens because the DeferredShadingRenderer tries to extract the normal GBu ...