Unreal Engine Issues
Unreal Engine Issues
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
UE - Anim - Sequencer - 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 - Graphics 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
UE - Anim - Sequencer - 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 - Content Pipeline - 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 ...
Geometry Pen Tool Duplicates Bushes On Grid Size 1 & 5
UE - LD & Modeling - Modeling Tools - BSP - Mar 7, 2018There is an issue occurring when creating brushes with the pen tool at grid size 5 where verticles or the brush shape itself seems to be doubled. This issue also occurs if the grid size is 1, though ...
Editor crashes when importing 4.5.1 project to 4.6
UE - Gameplay - Blueprint - Dec 9, 2014The user converted a copy of their 4.5.1 project to 4.6. Upon opening that project, the editor crashes. Deleting certain widgets allows the user to open the project, but opening any map results in a ...
Debugging Motion Matching in 5.1, looping animations don't loop root correctly
UE - Anim - Gameplay - Jan 31, 2023Just trying a few simple animations in 5.1, I have a few short looping cycle animation that go in different directions. I see very bad results and it looks like it's because of how MM is assuming th ...
Linux: UI scale is sometimes not 1.0 on non-high-DPI monitors
UE - Platform - Linux - Nov 7, 2017At the moment, UI scale is calculated on Linux from physical monitor dimensions (obtained ultimately from EDID) and not system scale. The granularity is 0.25, so scale can be 0.25, 0.5, 0.75, 1, 1.2 ...
depth calculation is not functioning properly on mobile ES 3.1 preview
UE - Platform - Mobile - Feb 21, 2023In 5.1.1, the depth calculation is not functioning properly on mobile ES 3.1 preview, resulting in reflections occurring in areas where they should not. When checking with RenderDoc in ES 3.1 Previ ...