Unreal Engine Issues
Unreal Engine Issues
Blueprint macro in a level blueprint causes memory leak
UE - Gameplay - Blueprint - Oct 15, 2019The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...
Crash upon selecting CameraComponent in Sequencer when level is locked
UE - Anim - Sequencer - Aug 14, 2018Selecting a Camera Component in the Sequencer window when the level is locked causes the Engine to crash. This was reported and tested in 4.20.1 (CL-4233996). This was reproduced in 4.19.2 (CL-403 ...
Unable to build marketplace code plug-in
UE - Foundation - Cpp Tools - UnrealBuildTool - May 17, 2022Fix for [Link Removed] sets the RuleAssembly in the Marketplace plugin to ReadOnly. This has prevented the plugin binaries from being compiled. Change the readonly flag as shown in the following co ...
Crash when building lighting while in PIE
UE - Graphics Features - Feb 21, 2017NOTE: This issue is similar to (same callstack) as [Link Removed], however this issue is still occurring in 4.15.0. Error Message: Access violation - code c0000005 (first/second chance not availab ...
GeometryCollection clustered by ClusteredGroupIndex does not respect child's gravity setup
UE - Runtime - Simulation - Mar 7, 2024Following code works as a workaround void FClusterUnionManager::HandleAddOperation(FClusterUnionIndex ClusterIndex, const TArray<FPBDRigidParticleHandle*>& Particles, bool bReleaseClustersFirst) ...
Crash on opening Sequence Director for Level Sequence
UE - Gameplay - Blueprint - Oct 15, 2020Within the project attached, the Sequence Director can not be opened for the Level Sequence "SkateReel Sequencer Crash." The user reports being able to open the Sequence Director prior to copying an ...
Crash when changing a Play Node's "Sequence" to a Montage
OLD - Anim - Jan 20, 2016I understand that this is not something you're intended to be able to do (Montages aren't used this way), but we should bar the user from inserting a montage into this variable slot. Crash occurs w ...
Editor crash when a spline component is added to a blueprint and compiled
Tools - Sep 7, 2016Most recent user affected CL: 3106830 (4.13.0) Error message: Access violation - code c0000005 (first/second chance not available) Source Context: SelectedKeys = SplineVisualizer->GetSelectedKey ...
HTTP If-None-Match response code is incorrect on Macintosh
Tools - Sep 22, 2016Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...
Crash in GC - FSharedStruct reachability race condition
UE - CoreTech - Jul 13, 2026This Jira was created from the linked EPS case: =============================================== This issue is caused by FSharedStruct batching reachability requests to the same underlying FInstan ...