Unreal Engine Issues
Unreal Engine Issues
Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
Level Instance Editor Paths not resolving correctly
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 25, 2024Soft refs to actors within level instances are not working for:Level Script.BP assets dynamically spawned at runtime.Placed BPs may also have their soft ref broken (maybe this issue is more-so relat ...
can not load all actors when load level with ULevel::LoadAllExternalObjectsTag
UE - World Creation - Worldbuilding Tools - Jun 25, 2024the udn link:https://udn.unrealengine.com/s/question/0D5QP00000OxDLH0A3/%E9%80%9A%E8%BF%87%E4%BB%A3%E7%A0%81%E6%88%96%E8%80%85%E8%93%9D%E5%9B%BE%E8%8A%82%E7%82%B9%E5%A4%8D%E5%88%B6%E5%85%B3%E5%8D% ...
Nanite compute materials don't work with VolumetricLightmap
UE - Graphics Features - Nanite - Jun 25, 2024In editor, custom primitive data dont work on instance static meshes in bp instance
UE - Gameplay - Components - Jun 25, 2024Changes to custom primitive data properties for instanced meshes placed in the editor work in-game but are not otherwise reflected in-editor. ...
Crash when starting PIE on a World Partition level with a Niagara Component inside nested Child Actor Components
UE - Niagara - Jun 25, 2024Consider an actor containing a Niagara Particle System Component, which is instantiated from another actor's Child Actor Component. When initializing PIE on a World Partition level containing this s ...
Anisotropy of base disappears when clear coat is greater than 0 when Substrate is enabled
UE - Graphics Features - Substrate - Jun 24, 2024Anisotropy from the base of a material disappears when clear coat is used. Car paint with base specular_anisotropy at 0.5 and coat at 0.0 [Image Removed] When coat is 0.0: [Image Removed] ...
UAssetDefinition doesn't allow overriding actions from base classes
UE - Editor - Workflow Systems - Jun 24, 2024In the new implementation UAssetDefinition to define the actions for asset we found that it isn't possible to delete or hide actions from parent classes due to the ToolMenu system works with delegat ...
Editor crash when shader debugging enabled including r.shaders.optimize=0
UE - Rendering Architecture - Shaders - Jun 23, 2024The editor crashes when activating cvar options for shader compilation and debugging. ...
Dynamic (transient) material instance assignment lost if object spawnable
UE - Anim - Sequencer - Jun 21, 2024Material Instance Dynamic assigned to Spawnable objects with Editor Utility Widget get reverted when hit the Save button in Sequencer. This appears to come from the Material Instance Dynamic not be ...