Unreal Engine Issues
Unreal Engine Issues
Crash on draw material to rendertarget
UE - Graphics Features - May 5, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
CLONE - Crash on draw material to rendertarget
UE - Graphics Features - May 19, 2017This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...
DeterminesOutputType metadata does not work for soft reference types (TAssetPtr / TAssetSubclassOf)
UE - Gameplay - Blueprint Compiler - Aug 2, 2017It looks like FDynamicOutputHelper::IsTypePickerPin and FDynamicOutputHelper::GetTypePickerPin need to be updated to support soft references. ...
Crash when adding Emitter in parameters in Niagara
UE - Niagara - Jun 7, 2018When adding an emitter to a Niagara System, in 4.20 Preview 1, the Editor freezes up and crashes. ...
Result pin of Cast Node of ControlRig can not break
UE - Anim - Rigging - Control Rig - Jul 26, 2023In UE5.1, the Result pin of the ControlRig cast node could be broken, but it cannot be broken from UE5.2. ...
Simulate motion vectors can fail on camera cuts
UE - Anim - Sequencer - Jun 11, 2024r.MotionVectorSimulation 1 should simulate motion vectors when cutting cameras, but this appears to be broken on some loops. ...
Jump Animation for FPS template character breaks on land
OLD - Anim - May 6, 2015When jumping in the first person template project, the "is in air" animation continues to play after landing. Solution: Switching out the "FirstPerson_JumpStart Asset" node for the "FirstPerson_J ...
For each "EnumName" nodes do not update when passed into a create widget node via an exposed variable
UE - Gameplay - Blueprint - Nov 1, 2016For each "EnumName" nodes do not update when passed into a create widget node via an exposed variable ...
UE5.6+ - Mutable - IDPrefix crash when combining Child Objects, Add to Mesh Component and Extend Mesh Section.
UE - Anim - Mutable - Jul 21, 2025So the issue seems to be a combination of Add To Mesh Component and Extend Mesh Section. I've tried this in Epic Launcher 5.6, 5.6 in-house modified engine as well as ue5-main 5.7 from git (editor ...
Enable Slate layout caching Will cause the Stop/Play Buttons to disappear
UE - Editor - UI Systems - Slate - Dec 17, 2018When using the command Slate.EnableLayoutCaching 1, The Play button is removed from the tool bar after exiting play. ...