Unreal Engine Issues
Unreal Engine Issues
FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()
UE - Foundation - Cpp Tools - Live Coding - Dec 19, 2023A user has reported a failing ensure in FMRSWRecursiveAccessDetector::AcquireWriteAccess(), a race condition that has a small chance of happening when launching the editor. FLiveCodingModule::Start ...
GeometryScript_TextureUtils.sample_texture2d_at_uv_positions in python
UE - Graphics Tools - Modeling Tools - GeometryScripting - Nov 17, 2022Licensee- "GeometryScript_TextureUtils.sample_texture2d_at_uv_positions does not work in python. The uvlist becomes nullptr from python to C++. BP is working fine." ...
The CTRL+S shortcut does not save an opened Sequence it the Sequencer Window is undocked
UE - Anim - Sequencer - Jul 29, 2025The CTRL+S shortcut does not save an opened Sequence it the Sequencer Window is undocked. Docking the Sequencer Window to the main window fixes the issue. I've reproduced the behavior on UE versions ...
Build All Levels fails with duplicate level instances
UE - World Creation - Worldbuilding Tools - Level Instances - Jan 24, 2024Launch on fails during staging with a SafeCopyFile Exception for MfMedia.uplugin
Tools - Jan 10, 2017Was able to repro this on machines with and without machines set up for Xbone testing. ...
[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP
UE - AI - Jun 30, 2023While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...
Make Timespan Node: Milliseconds to Seconds Conversion
UE - Foundation - Core - Jun 19, 2018Make Timespan node returns unexpected conversion from milliseconds. With all other values 0 - values in the Milliseconds field over 2147 flip to negative and begin to decrement ...
Thumbstick Values Resetting with Oculus Rift through SteamVR
UE - Platform - XR - Oct 11, 2018Thumbstick values reset once max value is reached. Tested with Rift WMR Plugin off - Works normally Oculus Plugin off (Running through Steam VR) - Only X values reset. Confirmed in Packaged proj ...
Translucent material can't get reflection on mobile deferred.
UE - Platform - Mobile - Mar 8, 2022Volumetric clouds jitter when in front of geometry
UE - Graphics Features - Nov 30, 2023Potentially related to [Link Removed], but distinct. ...