Blueprint timelines: when converting an internal curve to an external curve asset, the curve asset's data isn't used until the blueprint is recompiled. This is confusing as there is no indication th ...
The stems from a really old change (CL 2948683) to fix [Link Removed]. Compiling ObjectA will call RefreshExternalBlueprintDependencyNodes on its dependent BP, ObjectB_ReferencesA, which reconstru ...
Another thread: https://answers.unrealengine.com/questions/241358/amd-cpu-very-low-performance-because-ixaudio2sourc.html Note: This not a regression and has existed since our first implementation ...
When you have the mouse cursor set to show in game, if you use shift+f1 to unlock the mouse, eject, and then attempt to click and move an actor using the transform gizmo, you are unable to do so. S ...
Auto-weld is Enabled even if the blueprint component is set to Simulate. This only effects blueprint, static mesh actors in the world still disable Auto-weld if set to Simulate. This is a Regressio ...
The collision mesh and the display mesh are often similar enough to be difficult to differentiate, and there is currently no way to view the collision wireframe without the display wireframe as well ...
When packaging with nativization if you have a widget as a value in a TMap, the package will not finish building. The TMap will throw an error during the Package process that reads: UnrealBuildToo ...
If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...
Streaming an existing level that used World Composition places the landscapes in the correct spot, but any foliage tied to that landscape is placed on the landscape tile at 0,0 instead of its corres ...
Doing a line trace on a landscape does not return the correct physical material unless "Generate Overlap Events" was enabled after changing the physical material. If the physical material on the lan ...