check(PIEInstanceID != -1) fails when executing SeamlessTravel

UE - Gameplay - Mar 2, 2017

Per https://udn.unrealengine.com/questions/349614/checkpieinstanceid-1-fails-when-executing-seamless.html ...

Biquad Filter is incorrect when bandpass is 1.0

UE - Audio - Signal Processing - Aug 20, 2024

The bandwidth on the biquad loepass filter is cutting frequencies well below 20kHz when the bandwidth is 1.0. Slack convo: [Link Removed] Visualization:[Image Removed] ...

NavArea blueprints in Develops folders appear to have no affect

UE - AI - Nov 6, 2015

If the user creates two NavArea Blueprints (one in the content folder and the other in a developer folder) if one is inside of a developer folder then it will appear to have no affect when it comes ...

QAGame Crashes on launch on iphone 6 (iOS 8)

UE - Platform - Mobile - Jan 16, 2017

this crash was encountered during the mobile compat for 4.15. So far, just this device has been affected. ...

Server Travel from Map A to Map B then back to Map A will crash on exiting PIE

UE - Gameplay - Jul 10, 2015

Server Travel from Map A to Map B then back to Map A will crash on exiting PIE. Generates different call stacks between 4.8.1 and Main. Crash Reporter: 4.8.1: [Link Removed] Main: [Link Removed] ...

Static meshes in a particle system are not affected by decals

UE - Graphics Features - Dec 21, 2017

There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...

Overriding a sequence binding does not affect camera tracking binding

UE - Anim - Sequencer - Mar 17, 2020

Binding overrides don't work for camera actor tracking. This may affect attach tracks as well. ...

SSR on Translucency is not affected by Post Process Volume

UE - Graphics Features - May 24, 2018

Screen space reflections on translucent materials are not affected by post process settings. Any changes made to SSR settings in the volume will do nothing to a material that is set to the transluce ...

Crash when using merge actor on static meshes that have been affected by simplygon

UE - Gameplay - Oct 5, 2016

Crash when using merge actor on static meshes that have been affected by simplygon ...

Assertion in a packaged build when Light propagation volume is set to 1

UE - Graphics Features - Sep 1, 2017

Assertion in a packaged build when Light propagation volume is set to 1 ...