Unreal Engine Issues
Unreal Engine Issues
Specular/Anisotropy problems with Nanite Meshes
UE - Rendering Architecture - Jan 11, 2024Specular highlights can disappear with clearcoat materials, when "Clear Coat Enable Second Normal" is enabled ("r.ClearCoatNormal"). ...
Switching project monitor with shift+win+arrow keys
UE - Rendering Architecture - RHI - Apr 24, 2025Using Windows+Shift+Arrow keys to move the application window in Windowed Fullscreen from a low resolution monitor to a high resolution monitor does not resize the application window on a Windows 10 ...
A Client cannot join a Server after setting a GameMode in the OpenLevel node's Options string
UE - Networking - Nov 23, 2015A Client cannot join a Server after setting a GameMode in the OpenLevel node's Options string. Reproduced in 4.9.2 binary, 4.10.0 binary, and Main (CL# 2776829) ...
"Use T0As Ref Pose" doesn't work when FBX has two meshes with different bind poses
OLD - Anim - Jun 5, 2015"Use T0As Ref Pose" doesn't work when FBX has two meshes with different bind poses. See attached example assets ...
Simulate physics on an actor and then using slomo 0 console command causes force being added to mesh
UE - Gameplay - Aug 5, 2015If an actor has had simulate physics enabled and then the console command Slomo 0 is used, force will be added to the mesh, causing it to fly. ...
Player Capsule angular velocity can launch a player when stepping on/off a physics simulated object
UE - Simulation - Physics - Destruction - Mar 24, 2015Occasionally the player capsule can be launched due to bImpartBaseAngularVelocity being enabled in the CharacterMovementComponent. Disabling this does not result in the character capsule being launc ...
Possessing a vehicle results in unexpected physics behavior
UE - Simulation - Physics - Oct 8, 2015When possessing a vehicle, if you are standing on top of it with a character, once you begin to drive away, the vehicle will begin to be drawn back towards the character as if it is attached somehow ...
Mouse dragging cursor accelerates significantly on Mac
Tools - Jan 18, 2017This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...
Real-time thumbnails causing large performance issues
UE - Graphics Features - Feb 1, 2017When Real-Time Thumbnails are enabled in the content browser and you have many blueprints with static meshes (or anything that is rendered in the blueprint's viewport), the real-time tooltips cause ...
Category for BTTask_BuleprintBase does not appear after reopening a project
UE - AI - Feb 9, 2017Category for a task blueprint(BTTask_BuleprintBase) does not appear in behavior tree's context menu after reopening a project, if the task is not placed in the behavior tree. User needs to open the ...