[CrashReport] Assertion failed: FPlatformOpenGLDevice::FPlatformOpenGLDevice

UE - Rendering Architecture - RHI - Jan 9, 2018

Comments from users:tried with -opengl4tried to start with -force-opengl instead of -opengltried to run in opengl modetried to run in opengl mode due to DX11 feature level 10.0 error. (DirectX is in ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

UE - Graphics Features - Lumen - Mar 14, 2019

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...

Arrays of Soft Object local variables are not captured for reference graph

UE - Gameplay - Blueprint - May 20, 2019

This bug comes from https://udn.unrealengine.com/questions/492861/view.html and is a very similar problem to [Link Removed] The issue is that the code that harvests soft object references stored in ...

Static lights become stationary after toggling visiblity of level in packaged build

UE - Graphics Features - Jun 11, 2025

In 5.5, there is a regression with baked lighting where static lights become stationary lights when a level is hidden and then made visible again. This happens in packaged builds and shows up as sta ...

Staging DLC is reportedly broken

UE - Foundation - Cpp Tools - Automation Tool - Dec 16, 2015

According to a licensee, StageFiles() is called with ExcludeWildcard that contains a directory name ("Engine/*") and bRecursive=true when building DLC. This is not supported by Directory.GetFiles(). ...

Editor crashes when opening several marketplace assets - Assertion failed: !HasAnyFlags

UE - Gameplay - Blueprint - Jun 22, 2016

Editor crashes while attempting to open several marketplace assets. Allar's Generic Shooter Defuse Studios RTS Template JCInventory Frequency: 5/5 Regression (yes) issue (does not) occur in 4.11 ...

Get Class Defaults node disconnects output pins when project upgraded from 4.11 to 4.12

UE - Gameplay - Blueprint - Jun 7, 2016

Upgrading a project from 4.11 to 4.12 causes Class Default nodes to disconnect their output pins from other nodes. If the node is reconnected and saved, it will disconnect again when the project is ...

Attempting to Duplicate an Asset Copied to a New Folder Spawns the Original Asset

UE - Gameplay - Blueprint - Mar 8, 2016

Copying an asset into a new folder, placing an instance of the copy into the level, and then attempting to duplicate that copy by using CTRL+W in the viewport creates another instance of the origina ...

Syncing to an asset through in-editor interface will not update existing assets while in the editor

Tools - Sep 4, 2015

If a user syncs to an asset through the editor (right-clicking it in the Content Browser and selecting Sync), the asset will not update until the editor is closed and reopened. Note: This issue is ...

Clicking Off of a Blueprint Node Does Not Save Changes Made to Comment Bubble

UE - Gameplay - Blueprint - Dec 9, 2015

When entering a comment on a Blueprint node, pressing Enter or clicking off of that node both appear to apply the changes made to the comment. However, clicking off of the node does not mark the Blu ...