Unreal Engine Issues
Unreal Engine Issues
Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function
UE - Framework - Blueprint - Oct 26, 2022This is not a regression tested in //UE5/Release-5.0 CL22491701 Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function ...
In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay
UE - Runtime - Simulation - Nov 30, 2025In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay. The licensee has reported, and I've confirmed, that this behavior started in 5.7. I've confirmed thi ...
LocalHeightFog placed in 5.3 projects are invalid and not appearing when the project is updated to 5.4
UE - Rendering - Features - May 24, 2024LocalHeightFog actors placed in levels for 5.3 projects are invalid and not appearing in levels after the project is upgraded to 5.4. This is likely due to LocalHeightFog being renamed to LocalFogVo ...
Translucency Volume are not correctly shadowed in 5.5 without Virtual Shadow Maps and are not light correctly by some lights
UE - Rendering - Features - Dec 20, 2024TranslucencyVolume spheres are not correctly shadowed nor lit in Unreal 5.5 with VSMs disabled. Unreal 5.4 does correctly shade the sphere without VSMs. There appears to be differences in the outpu ...
Material Parameter Collections are not working on Android v 5 phones from 4.11
UE - Platform - Mobile - Feb 9, 2016Material Parameter Collections are not successfully passing stored values into Materials when packaged for an Android Phone with an OS version of 5. Both version 4 and 6, correctly use the MPC.Test ...
Regression for changes in code character movement not affecting multiplayers
UE - Foundation - Core - Jun 26, 2015If MoveForward() function is changed to affect the speed of the player, when playing in a multiplayer game player 1 will be affected by the change but player 2 will not be. This is a regression - i ...
Fixup of spawnables from 5.4 to 5.5 loses custom track names
zComponent - Archive - Feb 5, 2025In the process of upgrading from 5.4 to 5.5. One of our systems relies on the internal track names in the sequence to dynamically find an actor to bind the track to. As I was testing the system in ...
Editor crashes after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1
UE - Rendering - Features - Nov 2, 2022This is not a regression. Tested in //UE5/Release-5.0 CL22346211 Editor crashes with an assertion after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1 ...
Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1
zComponent - Archive - Jul 28, 2021There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...
5.5 Static Mesh Import Pipeline Regression
UE - Editor - Open File Formats - Import and Export - Apr 25, 2025This question was created in reference to: [Link Removed] This post references the first post because this problem was not discovered till now. I think it was masked because the issue appears to be ...