Unreal Engine Issues
Unreal Engine Issues
Single digit frame rate when sculpting landscape foliage.
UE - LD & Modeling - Terrain - Landscape - Dec 9, 2016Getting a performance hit when sculpting landscape that has foliage on it. ...
Reproducible softlock on iOS
UE - Platform - Apple - Jul 18, 2023After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps. Appears to be an iOS system bug, but see if we can find a workaround. ...
Duplicating an Instanced UProperty Component copies a reference, instead of a "deep copy"
UE - Gameplay - Jan 21, 2019Duplicating a UActorComponent that has an Instanced UPROPERTY does not perform a deep copy of the instanced property. It appears to only copy a reference to the instanced object. Where as, performin ...
RebuildHLOD UAT script doesn't properly handle the -nop4 command line flag
UE - World Creation - Worldbuilding Tools - HLOD - Nov 24, 2021The script performs P4 commands even if -NoP4 was specified. It should properly handle -NoP4 by checking for if (CommandUtils.P4Enabled) ...
Attachment changes on the client for non-replicated actor may be stomped by replication
UE - Networking - Aug 10, 2023For projects relying on attachment to be performed on the client before the server, such as to prevent latency, this can result in attachments being overridden when USceneComponent::OnRep_AttachChil ...
Difference in Shader Complexity view mode between Static Mesh and Painted Foliage Actors after Enabling 'Dbuffer Decals' in Project Settings
UE - Graphics Features - Oct 19, 2016The 'Shader Complexity' view mode is rendering differently between regular Static Meshes and Painted Foliage instances after enabling 'DBuffer Decals' The user is reporting that this does not seem ...
Crash when destroying two components in a specific order in this user's project
UE - Gameplay - Blueprint - Oct 6, 2015Crash when destroying two components in a specific order in this user's project. The crash occurs under two circumstances inside the LogActor Blueprint: either DestroyLogPart is called for both Te ...
Live Link Face does NOT launch Take Recorder automatically if press red Record button
UE - Virtual Production - IO - LiveLink - Jul 31, 2020As you can see below, users expect to launch Take Recorder from the Live Link Face app, but it doesn't actually work.When you're ready to record a performance, tap the red Record button in the Liv ...
Cannot PIE; Data Table Still Being Edited
Tools - Dec 22, 2015After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...
Clearcoat material behaves differently between 5.5 and 5.7
UE - Graphics Features - Jan 16, 2026Starting with Unreal Engine 5.7, specular reflections on clearcoat Materials are less pronounced. Unreal Engine 5.5 tests performed on //UE5/Release-5.5/, CL: 41545209 ...