Unreal Engine Issues
Unreal Engine Issues
DateTime Variable in Sub Widget resets on Compile
UE - Editor - UI Systems - Jan 7, 2021When attempting to set the default value of a date time in a sub widget the changes are not kept after compiling. ...
Enabling window animations causes dropdown menus to flicker and become unselectable
UE - Editor - UI Systems - Slate - Jan 7, 2021Not a regression as I was able to repro this in 4.25.4 The bug doesn't occur every single time, you may need to try disabling/re-enabling the setting and/or clicking on the menu dropdowns a few tim ...
Crash on project startup due to certain Skeletal Mesh being accessed
UE - Anim - Runtime - Jan 6, 2021If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...
Ensure in APlayerState::OnRep_bIsInactive may be hit
UE - Networking - Jan 6, 2021The ensure in APlayerState::OnRep_bIsInactive may be hit due to the player state being replicated before the game state. The check is necessary for making sure the game state is available, but the e ...
Cascade particle system crash when changing levels in a cooked game
UE - Niagara - Jan 6, 2021Changing levels with an auto-released particle system will cause cooked builds to crash. This is a regression. This crash does not occur in 4.25 ...
Cannot create FBXEportOption in blueprints
UE - Anim - Sequencer - Jan 5, 2021The class UFbxExportOption is not specified as a blueprint type, so it cannot be constructed in blueprints. This class is needed for exporting FBX files from a sequence, which means this functionali ...
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 ...
Crash occurs when compiling in Editor after editing a C++ file
UE - Foundation - Cpp Tools - Hot Reload - Jan 5, 2021Crash seems inconsistent, doesn't seem to happen every time. You may have to change the variables and re-compile through the editor a few times to get it to trigger. The crash did occur for me when ...
Granular Synth crashes project when played in standalone or packaged with assertion failure
UE - Audio - Jan 5, 2021Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...
If use with mesh particles or use with niagara mesh particles is checked in the Usage flag of the material and the material domain is set to volume, compile error will occur.
UE - Niagara - Jan 5, 2021[SM5] /Engine/Private/VolumetricCloud.usf(118,33-53): error X3018: invalid subscript 'VertexId' This is happening in VolumetricCloud.usf, but it seems that I can avoid the error by adding the follow ...