Unreal Engine Issues
Unreal Engine Issues
Reliable subobject creation bunch may overwrite previously received property on the actor
UE - Networking - Jun 21, 2024This seems to occur because of how reliability and the retransmission of dropped data is handled in the engine. If a reliable bunch is dropped, the entire bunch will be resent, but any unreliable bu ...
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% ...
[bink video]Auto importing bk2 creates an asset with wrong path
RAD - Bink Video - May 27, 2024Here is a work around : #include "binkplugin_ue4.h" UObject* UBinkMediaPlayerFactory::FactoryCreateBinary( UClass* Class, UObject* InParent, FName Name, EObjectFlags Flags, UObject* Context, co ...
No arm64 folder exists in plugins leading to an Error when packaging plugins
UE - CoreTech - Nov 16, 2022Regression: Checked in UE5/Release-5.0, the folder is missing from the plugin as well. This issue appears to be a problem with packaging the plugin itself, rather than packaging a full project. Pac ...
Virtual Texture materials don't fully deduplicate generated virtual texture stacks
UE - Rendering Architecture - May 13, 2024During material compilation we track unique individual virtual texture "stacks" and then create a virtual texture page table for each, along with unique bindings for each page table in the shader co ...
PakFiles: Unmounting PakFile while requests are still in progress causes assertion failure in UnMount
UE - Foundation - Mar 31, 2022[Link Removed] Licensee is using the chunk downloader. On Shutdown method of their GameInstance, they call FChunkDownloader->Finalize. When they quit the game (Alt+F4) during a chunck download an a ...
Diffing blueprints in Perforce changelist reviewer incorrectly displays blueprints that reference assets not in local filesystem
UE - Framework - Blueprint - Nov 22, 2024When diffing a blueprint in the Perforce changelist reviewer in-editor (Review Changelists), if the blueprint references an asset that does not exist locally but rather exists as a newly added asset ...
Browsing to a "Packaged Level Actor" does not take to the PackagedLevelActor inside the Content Browser.
UE - Editor - Content Pipeline - Jan 8, 2025There is a bug inside Unreal Editor when selecting "Browse to Asset" for a Packed Level Actor. Right clicking the Packed Level Actor, all the asset options appear. If you click the "Browse to Asse ...
[AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh
UE - AI - Navigation - Aug 6, 2025When we changed the resolution in the config, if you open a map and then look at the navmesh, the resolution it shows is the updated one from the config (assuming you haven't overridden anything) ...
An imported file that resides within the project's folders gets a relative path. That path is not updated it you copy the uasset to another folder. That breaks the Reimporting functionality.
UE - Editor - Content Pipeline - Import and Export - Aug 28, 2024An imported file that resides within the project's folders gets a relative path. That path is not updated it you copy the uasset to another folder, so from the location of the new asset's the relati ...