Unreal Engine Issues
Unreal Engine Issues
Lag spike for client while character is attached to actor
UE - Gameplay - Player Movement - Dec 14, 2022Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur for Listen Server players. It's likely that this is a replication ...
Recompiling blueprint actor in hidden sublevel, after reloading main level, detaches all its child actors
UE - World Creation - Worldbuilding Tools - Jan 4, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The repro steps are very specific for this; the core issue being that once the top lev ...
[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding
UE - Audio - MetaSounds - May 20, 2022It's possible to have the Audio Meter widget stop responding if you set the Gain really high. It will cease to work as long as the MetaSound window is open. Closing and reopening the MetaSound windo ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
Implied Decal Blend Modes don't properly account for Material Attributes usage
UE - Graphics Features - Sep 28, 2021I've attached a project with the necessary materials that demonstrate this issue. I would expect that just because a Set Material Attributes node is inside a material graph it wouldn't affect the de ...
Gameplay Tag Query - Assert when changing root expression while tag picker is open
UE - Editor - UI Systems - Slate - Jun 17, 2021Changing a gameplay tag query's root expression in a make query node will assert if the tag editor widget is open. ...
Ensure condition failed: !TagRedirects.Contains(OldTagName) Renaming Gameplay Tag twice
UE - Gameplay - Jul 6, 2017It appears the ensure only happens once. Cannot get the ensure to happen once Project Settings is closed. This also occurs in 4.16.2 so it is not a regression ...
Copy, Paste and Hover a Material Layer Blend Node causes Crash
Tools - Jun 25, 2015In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...
UnrealHeaderTool is always executed in a Code Project from an InstalledBuild
UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 23, 2019UnrealHeaderTool is always executed in a Code Project from an InstalledBuild Discovered during the verification of [Link Removed], as stated when verifying that issue, this issue only occurs in Bin ...
Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client
UE - AI - Dec 7, 2015Enabling Allow Client Side Navigation results in a NavMesh Needs To Be Rebuilt error message on the Client. The Client cannot use the nav mesh. This is a regression: this did not occur in 4.9.2 (th ...