Unreal Engine Issues
Unreal Engine Issues
AttachChildren on the client can lose entries
UE - Gameplay - Jan 26, 2016If a client attaches a scene component to a server authoritative scene component and that server component later has a change in attachment made on the server, the AttachChildren array on the client ...
Server crashes when client connects after Server has reloaded a sublevel with a deleted actor
UE - Networking - Jul 13, 2017UNetDriver::DestroyedStartupOrDormantActors maintains a list of deleted startup (and dormant) actors. This is used to notify clients that have joined the server of Actors that need to be destroyed ...
Sky Lights don't effect Translucent materials
UE - Rendering Architecture - Materials - Nov 21, 2022Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...
Get All Actors of Class is failing to report at Event Begin Play in a streamed level
UE - Gameplay - Sep 3, 2015Get All Actors of Class is failing to report at Event Begin Play in a streamed level. Test project attached. This is a regression: did NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2678 ...
Editor crashes when selecting compile after copying a Custom event to another blueprint
UE - Gameplay - Blueprint - Jul 28, 2016User will hit an ensure first when pasting a copied custom event, and will crash after compiling. ...
Add and Renaming collapsed graphs in functions breaks refs to local vars
UE - Gameplay - Blueprint Compiler - Nov 6, 2020When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...
Morph target LOD over 0 not worrking with GPU skin
UE - Rendering Architecture - RHI - Dec 17, 2019I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...
Deleting a material layer from a stack, re-linking the layers, then deleting that layer again crashes the editor
UE - Graphics Features - Feb 5, 2021The important step here is to unlink the middle layer after first relinking everything. ...
Reimporting creates new Material Slots instead of overwriting.
UE - Editor - Content Pipeline - Import and Export - Jun 25, 2014CHANGELIST: 2114974 BRANCH: UE4 - Main DESCRIPTION: Using the Reimport LOD1 drop down in the Static Mesh Editor will create new material slots each time instead of ove ...
GPU System will kill existing particles if activate is called after it has be deactivated
UE - Niagara - Oct 22, 2020Deactivating and then reactivating the same GPU system will cause existing particles to die. ...