Unreal Engine Issues
Unreal Engine Issues
xCrash at startup when vcomp140.dll prerequisite is missing.
TM - Interoperability - May 3, 2024Some users are experiencing a Crash at startup because of missing vcomp140.dll prerequisite. ...
[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.
UE - World Creation - Procedural Tools - PCG Component - Oct 31, 2025Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...
Reflections of Masked Materials incorrect with Lumen HWRT and Max Refraction Bounces > 0
UE - Rendering - Graphics Features - Lumen - Dec 18, 2025Lumen HWRT Reflections of Masked Materials are incorrect when "r.Lumen.Reflections.HardwareRayTracing.Translucent.MaxRefractionBounces" is greater than 0. The same issue occurs if the Post-Process V ...
LIVE: Control+Right (Skip Word) in Multi-Line Text Field Freezes Editor
Tools - Oct 30, 2014In any multi-line text field, scrolling to the end of the last line with the control+right (skip word) command will freeze the editor. In the AnswerHub thread, user twiddle linked to a Pull Request ...
AttachChildren on the client can lose entries
UE - Gameplay - Jan 26, 2016If a client attaches a scene component to a server authoritative scene component and that server component later has a change in attachment made on the server, the AttachChildren array on the client ...
NetMulticast function will force non relevant Actors to be relevant for a few seconds before they become non-relevant again
UE - Networking - Sep 19, 2016If a NetMulticast function is calledl, it will force non-relevant Actors to become relevant for a few seconds before going back to non-relevant. ...
BSPs cannot be selected through other BSPs set to hidden
UE - LD & Modeling - Modeling Tools - BSP - Nov 17, 2015BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...
Groups Selected in Viewport Are Not Selected in World Outliner Causing Unexpected Results
Tools - Jan 14, 2016Selecting objects that are grouped together in the viewport will not highlight the group actor in the World Outliner. One known result of this is, after selecting the group in the viewport, right-cl ...
Hidden Comment Bubble is Partially Covering/Blocking Top of Node
UE - Gameplay - Blueprint - Sep 18, 2015"The problem here is that the comment bubble, when hidden, is covering up the top of the node." This causes the user to have to drag a connector to the very bottom of the input in order to make a ...
"Fix root motion initial rotation handling" commit breaks root motion completely
OLD - Anim - Dec 18, 2014Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...