Unreal Engine Issues
Unreal Engine Issues
Animations don't update on the first frame of shots
UE - Anim - Sequencer - Jul 11, 2018Looks like this only happens for shots. I think this is because the tick prerequisites get set up on the frame of evaluation, and the skeletal mesh component doesn't get ticked until the next frame. ...
Control Rotation set in AGameModeBase may be inconsistent between Servers and Clients (or between Standalone and Multiplayer)
UE - Gameplay - Aug 21, 2018AGameModeBase::FinishRestartPlayer and AGameModeBase::RestartPlayerAtPlayerStart handle rotation differently for Spawning Pawns and Control Rotation depending on whether or not the game is Standal ...
Drag in event graph does not work after touch event with breakpoint
UE - Editor - UI Systems - Slate - May 3, 2017Dragging in event graph does not work after touch event with a breakpoint. This issue persists after the PIE has stopped as well. But the issue is resolved when the project is reopened. Regression: ...
Investigate/fix navmesh tiles disappearing randomly when level stream in.
UE - AI - Feb 14, 2020See UDN description: https://udn.unrealengine.com/questions/554749/bug-navmesh-streaming-and-tile-corruption.html ...
Undoing a curve editor change removes current selection
UE - Anim - Sequencer - Feb 9, 2021Undoing a curve editor change removes current selection ...
CompileAllBlueprints crashing on blueprint function with a delegate input.
UE - Gameplay - Blueprint Compiler - Aug 19, 2022In some scenarios, FPropertyDelegate::SignatureFunction can point to freed memory after a garbage collection run. This appears to be more common when running the CompileAllBlueprints commandlet. ...
Duplicating a BP function doesn't reference the correct local variables
UE - Framework - Blueprint Compiler - Nov 10, 2022Looking at the T3D snippet of the get variable node, the VariableReference points to the local variable of the original function instead of the new one. ...
FSimpleAbstractSocket implementations do not handle partial sends
UE - Networking - Nov 15, 2017The implementations of FSimpleAbstractSocket used by the network file server do not handle a partial send call on the socket. If a partial send occurs and there is no socket error, it should loop a ...
Ribbon Emitters Do Not Properly Kill Trails On Source Loss
UE - Graphics Features - Nov 18, 2016"Dead Trail on source lost" doesn't seem to work consistently. This is apparent when the source emitter's duration is longer than the particles being emitted. This bug also occurs if there is vary ...
Crash in IndirectLightingCache on level load
UE - Graphics Features - Aug 11, 2016May be a duplicate of this bug, which was closed due to no repro:https://jira.ol.epicgames.net/browse/UE-10978 ...