Unreal Engine Issues
Unreal Engine Issues
[AI] Navigation System can be constructed in situations where the NavigationObjectRepository subsystem is not valid
UE - AI - Navigation - Feb 7, 2025Investigate and fix all calls where the Navigation System is constructed without the NavigationObjectRepository subsystem being valid. ...
Cook errors with landscape cross-level spline meshes
UE - LD & Modeling - Terrain - Landscape - Dec 18, 2015Licensee is using a modified engine but has a workaround, we need to verify that the same doesn't happen in vanilla UE4 and fix if it does. ...
T_Wood_Pine_D Asset has Offset Alpha Channel
Docs - Samples - Sep 12, 2016The alpha channel seems to be offset in the x and y by 1024 pixels this has been fixed and attached for analysis. ...
Photorealistic Character sample's hair has broken dithered opacity mask
UE - Graphics Features - Aug 14, 2017In the 4.17 release, there was blocky dithered opacity mask artifacts on low opacity pixels. ...
[CrashReport] Linux crash - FVulkanSwapChain::AcquireImageIndex
UE - Platform - Linux - Sep 7, 2017This is an uncommon Linux crash that has occurred for a few users in 4.17 and 4.18 (not yet released) ...
Ensure undoing pin split - Found K2Node_CallFunction_429 ('K2Node_CallFunction') that does not belong to EventGraph.
UE - Gameplay - Blueprint Editor - Sep 15, 2017REGRESSION: Yes, does not occur in 4.17.2 Ensure occurs when undoing the splitting of a pin. ...
Some Niagara Fluid systems are not visible in a packaged project
UE - Niagara - Jun 7, 2022Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...
Route gamepad to second window setting is broken
UE - Gameplay - Input - Nov 11, 2022The RemapControllerInput function call likely needs to be added back to the game viewport client as a fix. ...
WorldPartition: Attached Actors within Level Instances save level offset bounds
UE - World Creation - Worldbuilding Tools - Level Instances - May 9, 2023The proposed fix is implemented in CL 25389340 but needs further testing to make sure there are no issues caused by it. ...
WorldPartitionActorDescs for LevelInstanceActors are broken when migrating world partitioned level
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 13, 2023WorldPartionActorDescs will be restored to the correct properties when resaved. They can also be fixed by the WorldPartitionResaveActorsBuilder commandlet. ...