Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Ongoing CollectGarbageInternal() assertion in 4.17
Tools - Aug 22, 2017This callstack is occurring in 4.17.0 and 4.17.1, and appears to be a continuation of [Link Removed], which was fixed in 4.16.2 with CL 3502786. I'm not re-opening [Link Removed] because there are ...
Open street map building don't cast shadows in raster mode
TM - Rendering - Feb 14, 2025Reproducible with cascaded and virtual shadow maps. Seems to be a regression from 2024.1.2. All TM 2025.x version have this issue. [Image Removed] ...
Arrays on multicast events called from the server are not passed to clients
UE - Networking - Jul 19, 2018Arrays that are passed into a Multicast Event as an input are not available on clients who call the function Regression?: Yes This did not occur in 4.19.2 ...
Missing PSO Precaches in the engine
UE - Rendering Architecture - RHI - Aug 20, 2025A licensee wanted to report some missing PSO Precaching they found, which they have fixed locally: 1. UCableComponent doesn't implement CollectPSOPrecacheData or call CheckPSOPrecachingAndBoostPri ...
MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel
UE - World Creation - Worldbuilding Tools - Feb 21, 2025The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...
Changing Blueprint Interface's Const Status Doesn't Update Blueprints its Already Implemented In
UE - Gameplay - Blueprint - Nov 8, 2016Implementing an interface that contains const functions and later attempting to change these functions to be non-const does not update the status of the functions inside of the actor they are implem ...
EQS Context modifications Crashes Editor
UE - Gameplay - Aug 29, 2018Making changes to the EQS Context and moving the Testing Pawn, the Editor crashes. When reopening the Editor, the context is set and the query does generate from that actor/location. This issue was ...
Logs containing UTF-8 characters don't appear in CMD/Terminal on Linux
UE - Platform - Linux - Sep 5, 2018If a log message contains UTF-8 characters like "ő" or any Russian one ("л") it won't be printed to cmd or terminal but it will be printed to the log file. This is a regression from 4.19.2 (CL-40337 ...
Torque curve makes no difference on vehicle movement
UE - Gameplay - Blueprint - Sep 11, 2015When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...
Screenshots are mirrored when using the console command on Android devices
UE - Platform - Mobile - Feb 3, 2016Screenshots taken from the console command are mirrored when saved. This was unable to be checked in 4.11 due to [Link Removed] or [Link Removed] ...