Unreal Engine Issues
Unreal Engine Issues
Crash 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 - 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 ...
Can only render Matinee movies with Separate Process
Tools - Aug 23, 2016Can only render Matinee movies with Separate Process. ...
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 ...
The Merge Actors Tool doesn't account for rotated collision shapes when doing non-uniform scaling
UE - Gameplay - Aug 30, 2016Collision shapes for merged actors using the Merge Actor tool do not account for the rotation of the actor when combining the data. It looks like the X and Y collision shape rotation in the world ...
Reroute nodes break Cached Poses in AnimBPs
OLD - Anim - Sep 2, 2016Reroute nodes break Cached Poses in Animation Blueprints Regression: This does not occur in 4.12 ...
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 ...