Unreal Engine Issues

Blueprint Diff doesn't find the difference in changed Child Actor Components in duplicated Child Actors

Blueprint Diff doesn't find the difference in changed Child Actor Components in duplicated Child Actors. This seems to be contained to Child Actor Components that are inherited by a Child Actor Clas ...

Texture Property Node Returns Unexpected Values For Texture Object With Render Target Input

The texture property node returns incorrect values for texture objects that have a render target as its input. The correct value will be returned if a normal texture is used for the input instead. ...

Unable To Add More Than One Element To Default Values For Maps In Blueprint

When adding new elements to a Map in blueprints it will return the error "Cannot add a new key to the map while a key with the default value exists". This is because it currently won't increment the ...

Crash occurs in the Editor when multiple instances of the same Blueprint are selected in the level and the Reset to Default button next to a component of the Blueprint is clicked in the Details panel

When multiple instances of a Blueprint in a level are selected, any component added to that Blueprint's parent class in code will appear in the Details panel with the words "Multiple Values" and a R ...

Reimporting a static mesh will cause some values to be reset back to defaults

Reimporting a static mesh will cause some Static Mesh Editor values to be reset back to defaults. This was reported as JIRA UE-22205 back in 4.10 and was marked fix in 4.12. However, I wasn't able ...

High framerates result in desyncs with clients when using a dedicated server.

When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...

Space Bar pressed event not received in Windowed mode

Replication issues & warnings if a client hitches while the server seamless travels

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...

Making a hidden level the current level changes tile position in World Composition

[AI] Navigation memory set in NavMeshMemory::ForAnyElementType::ResizeAllocation shows as Untagged in LLM instead of being under Navigation.

Licensee found that memory being allocated during a resize in NavMeshMemory is not being tagged within LLM as NavigationMemory but show in LLM as Untagged memory. They do not have a callstack showca ...