The slider handle in UMG is clipping at 0 and 1

UE - Editor - UI Systems - Jan 20, 2016

If the user sets the value on the slider to 0 or 1 the handle will clip as it appears to go too far to either side. ...

Vehicle Template with Thruster Configuration will be affected by force relative to the distance from the origin

UE - Simulation - Physics - Mar 18, 2025

Vehicle Template vehicle with added Thruster Configuration to its VehicleMovementComponent will be affected by force relative to the distance from the origin. At around 200000 the force is enough to ...

Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1

UE - Networking - Feb 4, 2016

Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1. The Client pauses the timer as expected. With only one player, timers are paused as expected. ...

Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash

UE - Rendering Architecture - Shaders - Jan 15, 2025

Compiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor startup, but this bug may affect other scenarios where mat ...

Background blur missing with HDR CompositeMode 1

UE - Graphics Features - Jul 29, 2021

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.

PixelStreaming - Dec 24, 2019

i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card).  I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...

RootMotion travel distance get affected by ForceAnimRate

OLD - Anim - Nov 24, 2016

A root motion controlled character would travel further than they should when both EnableUpdateRateOptimizations is on and a.URO.ForceAnimRate is set above 1. Changing "Root Motion from Montages On ...

Importing skeletal meshes with uniform scale >1 causes rotation in skeletal mesh editor to improperly register

OLD - Anim - May 11, 2015

If a skeletal mesh is imported with a uniform scale of >1, the rotation feature in Persona will not rotate bones at the proper ratio. The meshes rotation will slow down as the uniform scale increase ...

With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye

UE - Platform - XR - Jul 8, 2016

KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...

Changing reflection capture resolution after setting preview rendering level to Android ES3.1 crashes the editor

UE - Graphics Features - Nov 20, 2019

Applying a new reflection capture resolution after changing Preview Rendering Level to Android ES3.1 results in crash. Tested in: 4.24 P3 CL#10283392    4.25CL#10303496 ...