[CrashReport] libUE4Editor-ApplicationCore.so!X11_SetWindowPosition [SDL_x11window.c:863]

UE - Platform - Linux - Jan 11, 2021

Generated from CrashReporter ...

'Force Volumetric' property broken on instanced static meshes

UE - Graphics Features - Jan 11, 2021

Regular static meshes work expectedly with Force Volumetric however instanced static meshes do not. ...

Unreal 4.26 Crashes when playtesting with a groom in the scene

UE - Graphics Features - Jan 8, 2021

When you hit play with a groom in the scene, the engine crashes Additional notes: First tried adding it to a skeletal mesh through a character blueprint. Engine crashes. Engine doesn't crash if pla ...

Spawnable templates can reference other spawnables and their levels in a sequence

UE - Anim - Sequencer - Jan 8, 2021

Spawnable templates can reference other spawnables. These references will be unstable due to the nature of spawnables, and the level reference can lead to unexpected behavior.  ...

Enabling window animations causes dropdown menus to flicker and become unselectable

UE - Editor - UI Systems - Slate - Jan 7, 2021

Not 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, 2021

If 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, 2021

The 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, 2021

Changing 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, 2021

The 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, 2021

UDN 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 ...