Unreal Engine Issues
Unreal Engine Issues
[CrashReport] libUE4Editor-ApplicationCore.so!X11_SetWindowPosition [SDL_x11window.c:863]
UE - Platform - Linux - Jan 11, 2021Generated from CrashReporter ...
Spawnable templates can reference other spawnables and their levels in a sequence
UE - Anim - Sequencer - Jan 8, 2021Spawnable 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. ...
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 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 ...
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 ...
Duplicate level collections not being respected by UGameEngine::NetworkRemapPath
UE - Networking - Jan 5, 2021When NetworkRemapPath was refactored in 4.26 to support replay connections via the rep graph, the check for duplicate level id on the driver was lost in the new code path. This causes the demo driv ...
WaitMutex behaves poorly when there are casing differences in the same path
UE - Foundation - Cpp Tools - UnrealBuildTool - Jan 5, 2021The proposed solution here is to make the casing of the path provided to the hashing function for the mutex consistent with something like:publicstatic string GetUniqueMutexForPath(string Name, stri ...
Text type parameters show the same value after reload in duplicated actor
UE - Gameplay - Blueprint - Jan 4, 2021Issue occurs in both events and functions. Seems like it's only affecting Text, didn't notice this issue for other variable types. The original actor is working as expected. Only the duplicated one ...