Unreal Engine Issues
Unreal Engine Issues
Interfaces implemented and then removed from a parent BP still show a phantom reference from child BPs until they are recompiled and saved
UE - Gameplay - Blueprint Editor - Jul 15, 2020See repro steps. The phantom references can be fixed by recompiling the child BP and saving it. Note that just loading ChildBP2 does not fix/remove the reference during compile-on-load, so it's a ...
Foliage icons do not grey out when set to inactive
UE - World Creation - Worldbuilding Tools - Foliage - May 16, 2016Foliage icons do not grey out when set to inactive through the foliage mode window. Note This error occurs in 4.11 and 4.12, but is responding as expected in 4.10.4 (icon is greyed out) Regressi ...
Corruption in rotating decal in TM-ShaderModels on iPhone 8 and X's
UE - Platform - Mobile - Oct 9, 2017This particular decal is animated and has a Translucent decal blend mode This occurs on both iPhone 8 and 8 Plus (11.0.2) It does not occur on: iPhone SE, iOS 11 beta1 iPhone 7 Plus, iOS 10.3.2 ...
Blueprint Instanced Variables Data Erased
UE - Framework - Blueprint - Jan 17, 2024Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...
Bugs with Material Instances and Landscape Grass
UE - World Creation - Worldbuilding Tools - Foliage - Apr 14, 2016Need to fix the Bug: Parameters that linked to LandscapeGrassOutput in master material instance do not updates automaticaly in viewport. After parameters change you are have to modify any of your us ...
State Machines are re-initialized from entry after playing a Montage
OLD - Anim - Jun 3, 2016State Machines are re-initialized from entry after playing a Montage This is a Regression: Does not occur in 4.11 ...
Crash when using automated groom import
UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...
Morph Targets in Skeletal Mesh LODs do not behave correctly
OLD - Anim - May 18, 2016Morph Targets in Skeletal Mesh LODs do not behave correctly This is a REGRESSION, does not occur in 4.11 ...
virtual texture lightmap crash due to pixel format r8Unorm_srgb in MacEditor
UE - Rendering Architecture - RHI - Mar 4, 2021Currently r8Unorm_srgb is required by virtual texture lightmap, and the Metal RHI simply forbids r8Unorm_srgb on Mac platform. Since the latest MacOS 11.0+ have the support of r8Unorm_srgb, we shoul ...
Game window renders transparent when launched with -game -log commands on Mac
UE - Platform - Apple - Oct 31, 2016This is only occurring on Mac and only in OSX 10.12. This is also a regression from 4.13 Right clicking in the dock, Show all windows, and selecting the game window does NOT fix the issue. Runnin ...