Unreal Engine Issues
Unreal Engine Issues
Multitouch on Windows offsets touch index by 1, starting at TouchIndex_2
Tools - Oct 18, 2016Touch input on Windows devices will start at touch index 2 instead of touch index 1, like other touch devices. ...
Framerate drops noticably when using Retopologize tool
UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016Significant framerate drop occurs when attempting to utilize the retopologize tool on landscapes. This occurs even when the landscape has remained completely unaltered. Other landscape tools experie ...
Using a Custom Game State Disables Tick for Other Blueprints
UE - Gameplay - Blueprint - Jan 5, 2017Using a game mode that contains a custom game state rather than the default seems to be disabling tick for other blueprints such as characters and actors. Whenever the project is using a custom gam ...
Local Variable loses value after reference moves file location
UE - Gameplay - Blueprint - May 23, 2017Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...
Expandable Area does not respect scrollbox boundaries unless set to fill
UE - Editor - UI Systems - Dec 13, 2017There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...
Some instances spawned by NeagaraDataInterfaceChaosDestruction breaking event will be set location to the world origin
UE - Rendering - Architecture - Niagara - Nov 29, 2024The following code can often be found in UNiagaraDataInterfaceChaosDestruction.const int32 ParticleID = ParticleIDParam.GetAndAdvance() - LastSpawnedPointID + 1; The LastSpawnedPointID is usual ...
Path not found during exporting XMPs with the exportXMP command
RS - Alignment - Apr 8, 2026Found in 2.1.1.11916 (R211). RS fails to export the XMPs when certain settings are remembered in RS (Attached rscofig file). This is a regression and didn't occur in the last RS 2.1 public release. ...
Twinmotion sign-in error when attempting sign-in inside app
TM - Core - May 18, 2026Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...
When loading a new level, a variable of the subclass of type is reset to null in the classes inherited from UGameInstance or UGameInstanceSubsystem
UE - Core - Data Pipeline - Cooker - Dec 1, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only in packaged & quick launched builds that this occurs; PIE works as normal. ...
Landscapes do not render on PowerVR device
UE - Platform - Mobile - Sep 2, 2016When using a level with a landscape on an Android Device with a PowerVR gpu the landscape is not rendering. This was reproduced with Asset# 4719Model: Galaxy S4 GT-19500GPU: PowerVR SGX544MP3OS: 4. ...