Unreal Engine Issues
Unreal Engine Issues
Option "Use Mouse for Touch" does not work correctly when running the game in "Standalone" or "New Editor Window (PIE)" modes: Virtual joystick does not appear and mouse cursor is incorrectly hidden while captured.
UE - Gameplay - Input - Apr 1, 2025The Editor provides option "Project Settings – Engine – Input – Mouse Properties – Advanced – Use Mouse for Touch" to allow testing virtual joysticks and other touch controls with the mouse. When ru ...
Project breaks if Online Subsystem plugin is disabled
UE - Foundation - Core - Apr 25, 2017Disabling Online Subsystem prevents the project from loading. On Windows, this produces an error shown in attached screenshot. On Linux, this causes a crash with the attached callstack on project ...
A GeometryCollection that was broken and is going through shrinking will reset the size of its particles if a second level is broken
UE - Simulation - Physics - Destruction - Oct 18, 2024Might relate to issue [Link Removed] - "The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors" The added information on this particu ...
Player state on clients does not get set properly
UE - Networking - Jul 23, 2015When playing in Standalone with multiple characters there's the the chance that one of the player states does not get set and remains null. This is not a 100% repro case. Multiple tests may be req ...
Failure packaging for Android with Configure for deployment to Daydream enabled
UE - Platform - Mobile - Jan 5, 2017Found on: 4.15 Binary CL-3247232 Unable to package for android when Configure for deployment to Daydream is selected. (Packaging without it enabled succeeds even with the same other settings, but c ...
Alembic Importer does not import the correct amount of curves when using the Minimum Number Of Vertex Influence Percentage setting
UE - Gameplay - Jan 3, 2017This is a regression from 4.14.2 ...
[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()
UE - Platform - Apple - Jul 27, 2017This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...
SunTemple is washed out in one color on some Android devices.
UE - Platform - Mobile - Jan 16, 2017This was discovered during the 4.15 mobile compat. ...
Constraint axes are not visible in Physics Asset editor viewport
OLD - Anim - Jul 10, 2017This is a regression from 4.16 as I was not able to repro this issue in //UE4/Release-4.16 at CL 3514769. ...
Light Types Show Flags in SceneCaptureComponent2D is not functioning properly
UE - Virtual Production - May 30, 2021It was working until 4.25.4. It is easy to see if you turn on/off the Light Types Show Flags in SceneCaptureComponent2D. ...