Adding Text Render Component at Runtime Crashes Standalone

UE - Gameplay - Components - Nov 2, 2015

Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...

Custom Component Being Added to Wrong Target Blueprint

UE - Gameplay - Components - Nov 2, 2015

When attempting to add a custom component to a blueprint at runtime using the Add Component function, if you give the component an exposed variable, it will ignore whatever target you specify and ad ...

Normal are different after Merge Actor on scaled objects

OLD - Anim - Feb 8, 2018

Normal are different after Merge Actor on scaled objects. If the actors aren't scaled, the issue doesn't seem to occur. A licensee is trying to use the Merge Actor tool to optimize their entire pro ...

Merge tool icons broken in user's project

UE - Gameplay - Blueprint - Mar 16, 2015

User did convert the project to 4.7.2, but they don't know which project it was made with originally (all he gave me was that it was a long time ago) Unable to repro by converting projects (code an ...

Physics Constraint Actor Won't Disable Collision Between Two Actors That Are Already Colliding

UE - Simulation - Physics - Feb 17, 2020

Meshes that are colliding that are set as constraint actors don't follow the Physics Constraint Actors "Disable Collision" parameter if they are colliding prior to being set as constrained actors. ...

UE5.6+ - Mutable - IDPrefix crash when combining Child Objects, Add to Mesh Component and Extend Mesh Section.

UE - Anim - Mutable - Jul 21, 2025

So the issue seems to be a combination of Add To Mesh Component and Extend Mesh Section. I've tried this in Epic Launcher 5.6, 5.6 in-house modified engine as well as ue5-main 5.7 from git (editor ...

Unnecessary reference remains in material instance when using StaticSwitch in material

UE - Graphics Features - Aug 7, 2019

1.Create a material that switches textures using StaticSwitch. 2.Create a material instance and toggle the switch to overwrite the texture. 3.Then return the static switch settings to their defaul ...

No Editor Audio on Linux when using ALSA

UE - Platform - Linux - Oct 31, 2017

No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...

Scrollbars bounce back when scrolling with the mouse wheel

Tools - Aug 8, 2016

Multiple scrollbars throughout the editor bounce back when the user scrolls with the mouse wheel. The effect looks like the scrollbar is rubber banding when scrolled. This issue has been found wi ...

Sidescroller Character Gets Stuck on Platform Edges When Moving on Tick

UE - Gameplay - Player Movement - Nov 2, 2015

When converting the character movement in the sidescroller template to occur on Tick instead of key press, the character will begin to run, and then get slightly hung up on the edge of the platform ...