Unreal Engine Issues
Unreal Engine Issues
Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info
UE - Graphics Tools - Terrain - Landscape - May 10, 2022Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did NOT occur there ...
Editor crashes if a sublevel with a landscape is duplicated then added to the persistent level as a sublevel.
UE - LD & Modeling - Terrain - Landscape - Aug 18, 2016If a sublevel is duplicated and contains a landscape, the editor will crash when the duplicate level is added to the persistent level as a sublevel. Frequency 4/4 Regression (yes) issue (does not ...
Unable to select foliage by left clicking after 1.5 k foliage meshes placed
UE - World Creation - Worldbuilding Tools - Foliage - Aug 28, 2017When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...
Updating to 4.13 from 4.12 Causes Particle System Orientation to Break When Cooked
UE - Graphics Features - Sep 16, 2016When updating a particle system with the mesh data type to 4.13 its orientation will change after being cooked. This issue will not appear with PIE, or Stand alone you must Launch from editor. A 4.1 ...
Branching Points in a Montage Affect the Rotation Outcome of Root Motion
UE - Anim - Runtime - Mar 28, 2025When playing Montages with Root Motion, the sub stepper extracts root motion transform in small increments. If a Branching Point exists within the interval being extracted, the extraction range is s ...
[CrashReport] Mac/Metal crash due to enabling Metal 2.0 on 10.12.6
UE - Graphics Features - Oct 26, 2017This is an early trending Mac/Metal crash coming out of 4.18. Mark.S: _Revised Statement: Users are trying to enable Metal 2.0 on 10.12.6. The iOS settings panel lets me show warnings about this st ...
4.16 Mobile Compat Pass - QA-Decals - UI glitch when playing on a 9.3.5 iOS Device
UE - Platform - Mobile - Apr 21, 2017While testing in QA-Decals on iOS device, after loading into the project the UI will be glitched ~50% of the time. After further testing, it seems this bug only occurs on iPads running the iOS vers ...
Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled
UE - Graphics Features - Nov 19, 2014After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...
[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order
UE - Audio - MetaSounds - May 27, 2022Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...
When a fixed delta time step of 0.02 or higher is used with some skeletal mesh objects, rotational forces applied using AddTorque have no affect on the skeletal mesh.
UE - Simulation - Physics - Jan 27, 2015Using AddTorque to apply a rotation to a skeletal mesh does not always provide the expected results if a fixed time step is being used. When doing this to the Owen character in the Content Examples ...