Unreal Engine Issues
Unreal Engine Issues
UE4.11.1 Crashes After loading the Substance Plugin
UE - Foundation - Core - Apr 13, 2016Regression: UE4.11.1 Crashes After loading the Substance Plugin. This did not Occur in previous versions of the Engine. Reported on Macs and PCs Full Error Message: Fatal error: [Link Removed] [Lin ...
Certain options don't display in Context Sensitive search for Widget Blueprint until opening a regular Blueprint
UE - Gameplay - Blueprint Editor - Jan 3, 2023Context Sensitive searches in Widget Blueprints is not working as expected in 5.1. I was able to reproduce this 4/4 times in 5.1, and confirmed that this issue is a regression as the search works as ...
Example 1.3: Constraint Profiles animation not working in ContentExamples
UE - Content - Content Example - Mar 25, 2022This bug does not occur in //UE5/Release-5.0-EarlyAccess or in Release-4.27 making it a regression. This also occurs in //UE5/Main ...
Multitouch on Windows offsets touch index by 1, starting at TouchIndex_2
Tools - Oct 18, 2016Touch input on Windows devices will start at touch index 2 instead of touch index 1, like other touch devices. ...
ObjectPivotPoint does not work with instanced Nanite meshes
UE - Rendering Architecture - Materials - Nov 17, 2022Regression: Nanite Foliage is a new feature in 5.1, so this issue is not reproduceable in 5.0. Notes about this new support can be found under Nanite Improvements in https://docs.unrealengine.com/5. ...
Shots with Time Scale less than 1.0 do not render from master sequence
UE - Anim - Sequencer - Sep 20, 2019Setting a shot's time scale to less than 1.0 will cause it to not be rendered. ...
Navigation becomes incorrect after flipping a widget via scaling (-1)
UE - Editor - UI Systems - Dec 22, 2015If the user flips a widget using the scaling feature in umg (scaling the widget by -1) this will cause the navigation for the widget to becomes incorrect. ...
Crash Generating Proxy Mesh with Transition Screen Size set to 1
UE - World Creation - Worldbuilding Tools - HLOD - Nov 18, 2016Crash occurs when attempting to Generate Proxy Meshes with Transition Screen Size set to 1. ...
Skeletal Mesh Collapses with OpenGL ES3.1 on Tegra K1 devices
UE - Platform - Mobile - Oct 18, 2016When launching to an Android device that supports ES3.1 skeletal meshes seem to collapse in game. ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...