Visual flicker occurs with object during play

UE - Graphics Features - Sep 5, 2017

There is an issue occurring where objects are flickering, and what appears to be jittering at set distances when rendering, increasing the bounds of the mesh pushes the distance for the issue out. T ...

SetOneWayInteraction functionality has no effect on the simulation

UE - Simulation - Physics - Nov 11, 2022

Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...

Allow Window Resize has no effect on Linux

UE - Platform - Linux - Jun 8, 2017

Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...

Linux Native Toolchain depends on libninfo5 which is not bundled

UE - Platform - Linux - Sep 6, 2019

libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...

[CrashReport] UE4Editor_OnlineSubsystemUtils!LastGetVoiceCallTime()

UE - Foundation - Core - Jul 19, 2017

This is a common crash in the 4.16 release. Affected users have not provided additional information. Source Context 1795 // Some tasks can only be done once we finish all scenes/viewports ...

Cannot specify custom window positions in "windowed mode" for packaged games

Tools - Nov 30, 2017

There is an issue where you cannot specify a specific location for a windowed packaged game when using a command line to open the project, the project will move to that position for a brief moment b ...

Skewed Rotation values from camera actors in print string

UE - Gameplay - Sep 25, 2017

When using the camera actor and modifying the rotation values, the values made in the print string do not seem to match the actual values of the camera's rotation. The values appear to be close, but ...

Unexpected behavior from moving multiple widget components with render transform

UE - Editor - UI Systems - May 10, 2017

Unexpected behavior occurs from moving multiple widget components with render transform applied to them. The individual components seem to change relative position or rotation when being clicked and ...

Blueprints with Input action events are dirtied and upon being opened

UE - Gameplay - Blueprint Editor - Aug 10, 2017

Opening a blueprint that has an input event in it cause the blueprint to become dirtied and require compiling. Regression?: Yes This did not occur in 4.16.3-3561208+++UE4+Release-4.16 Versions tes ...

Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh

UE - Graphics Tools - Modeling Tools - Jun 21, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...