Unreal Engine Issues
Unreal Engine Issues
Cascade sprite scales incorrectly / flickers when set Screen Alignment to Velocity
UE - Niagara - Dec 10, 2019Very easy to reproduce. uasset file provided. Doesn't happen in 4.22.3 ...
Ray traced GI denoiser blotches/artefacts
UE - Graphics Features - Lumen - Sep 15, 2021See licensee description of the issue for more info. Issue did not occur in 4.25. ...
[SKP] [Import] Sketchup model imports as an empty container when imported via Interchange.
TM - Interoperability - Jan 30, 2024So far I could reproduce this with 3 different files. I only attached this one, since this is the smallest ...
QAGame Crashes on launch on iphone 6 (iOS 8)
UE - Platform - Mobile - Jan 16, 2017this crash was encountered during the mobile compat for 4.15. So far, just this device has been affected. ...
[CrashReport] Assertion failed - FAssetEditorManager::OpenEditorForAsset()
UE - Anim - Sequencer - Jul 20, 2017This is a common crash affecting users in 4.16. Unfortunately they have not provided any additional information ...
Game start slowing down when there are more than 10 sprites in the level
UE - Gameplay - Paper2D - Apr 10, 2018Sprites seem to be drastically affecting FPS in 4.19 projects on Mac devices. ...
Sequencer Curves View: Fourier Transform Curve Filter stopped working?
UE - ACT Character - Anim in Engine - Sep 20, 2023The Fourier Transform Curve Filter seems to have broke in 5.3+ [Image Removed] ...
Niagara module "Beam Emitter Setup" makes attribute Emitter.BeamID flick between -1 and LoopCount every frame
UE - Niagara - Mar 6, 2026When working with beam and ribbon effects in Niagara, Emitter.BeamID is used to fill Particles.RibbonID so that a looping emitter can spawn multiple discrete beams. Emitter.BeamID is assigned by mod ...
Events on frame 0 fire twice
UE - Anim - Sequencer - Jan 17, 2017Regression - does not occur in 4.13.2 or 4.14.3 Does occur in Dev-Sequencer ...
Hot reloading newly created C++ project compiles modules
UE - Foundation - Core - Apr 25, 2017This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...