Unreal Engine Issues
Unreal Engine Issues
NetUpdateFrequency Affected by Global Time Dilation
UE - Networking - Jan 13, 2025Changing the global time dilation in a multiplayer game affects the rate at which actors are considered for replication, and setting it to 0 will even cause replication to stop entirely (unless the ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - Editor - UI Systems - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...
SetActorLabel() is slow on Landscapes
UE - Graphics Tools - Terrain - Landscape - Jan 7, 2025I've noticed calling SetActorLabel() on a Landscape will call PostEditPropertyChanged() which causes the Landscape Components to regenerate all collisions. As per the repro, this can take a long tim ...
AssetLocalization does not work and the asset does not switch to localization asset even if culture is specified
UE - Editor - UI Systems - Localization - Dec 20, 2024Asset localization does not work. When playing in standalone, it shows "jp" texture instead of "en" texture even if "-culture=en" is set. This appears to be a regression issue, as the localization w ...
Ejecting from player in multiplayer PIE results in the wrong world being displayed
UE - Networking - Dec 13, 2024In [Link Removed], it mentions that only the instance in the editor viewport supports switching to Simulate In Editor when running multiple instances in PIE. However, rather than showing that instan ...
When trying to snap selected foliage down to the ground using end key, if the mesh has collision complexity to "Use Simple Collision As Complex" and foliage collision preset to "BlockAll", the foliage selected will not move.
UE - World Creation - Worldbuilding Tools - Foliage - Dec 5, 2024Using the "end" key on foliage selected with collision preset to "BlockAll" and the mesh collision complexity set to "Use simple Collision as Complex", the foliage will not move. This is wrong becau ...
Nanite Mesh Reduction Issue
UE - Graphics Features - Nanite - Nov 28, 2024This issue was reported through a UDN. Licensee mentioned that they are seeing a hole in their Nanite mesh at as they move away from it. Using the Nanite debug view we observe at a certain distance ...
Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale
UE - Simulation - Core - Nov 22, 2024Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...
Shadow Maps performance issue with 5.4 in comparison towards 5.3
UE - Graphics Features - Shadows - Nov 20, 2024Shadow depths performance for non-VSM in certain scenes, notably those with rect lights and meshes that are set to movable, went from ~2ms to ~18ms going from UE 5.3 to UE 5.4. Setting the movable a ...