Unreal Engine Issues
Unreal Engine Issues
Crash on play if a BP uses a ClearInstances node followed by an AddInstance node
UE - Graphics Features - Jul 21, 2017Crash on play if a BP manipulates a InstancedStaticMeshComponent by using a ClearInstances node followed by an AddInstance node. This is a blocker for the licensee. This is a regression: Working ...
ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor
UE - Networking - Mar 3, 2015ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor. Reproduced in 4.7.1 binary and Main ( ...
SubCategory of UFUNCTION does NOT work properly if using CallInEditor
UE - Gameplay - Blueprint Editor - Sep 20, 2022If you use both Category hierarchy and CallInEditor in UFUNCTION, it will result in an unintended sequence as shown below. [Image Removed] And, the following code can solve this issue void FDetai ...
Garbage Collection Causing Noticeable Hitches
UE - Foundation - Core - Apr 11, 2016Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...
Dithered LOD Transition does not work on some mobile devices
UE - Platform - Mobile - Aug 27, 2019I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...
Null Redirector For Main Game Level Is Packaged Without Error After Fixing Redirector
Tools - Feb 24, 2020After moving a level into a folder and fixing the redirectors (right click in content browser) the project will package a Null reference without throwing an error. This will let you create a project ...
Crash when converting a Landscape to a Blueprint Class
UE - LD & Modeling - Terrain - Landscape - Aug 12, 2020The Editor crashes when attempting to convert a Landscape into a Blueprint Class. Looking back to //UE4/Release-4.24 cl 11590231, this option seems to be unselectable (see attached image), which lea ...
WildCard Inputs/Outputs Propogate Incorrectly in Macros
UE - Gameplay - Dec 13, 2019When a macro takes in a two Wildcard inputs and two Wildcard outputs connecting a variable to one assigns the value of all the outputs even if they don't connect (check attached image). You can see ...
Cannot Add Collision to an EQS Testing Pawn
UE - AI - Jan 6, 2016Attempting to add collision to an EQSTestingPawn class is not possible, as the inherited capsule component seems to override any new collision. Simulating with the inherited capsule will cause the P ...
Attached Project Crashes Intermittently On FTickTaskLevel::ScheduleTickFunctionCooldowns()
UE - Gameplay - Apr 20, 2016The user's project is crashing during PIE on FTickTaskLevel::ScheduleTickFunctionCooldowns(). Source Context: 798 else 799 { 800 CumulativeCooldown += ComparisonTickFuncti ...