Unreal Engine Issues

GPU Particle Collision causes shaking when set to bounce with low resilience.

A particle emitter with GPU sprites on certain settings will shake violently as they collide with the ground. This requires there to be a strong Const Acceleration module and Collision with low resi ...

Modifying ShooterGame header file for faster compiling causes crash behavior.

Using bFasterWithoutUnity and MinFilesUsingPrecompiledHeaderOverride, on ShooterGame.Build.Cs results in Engine crash. ...

ObjectPivotPoint does not work with instanced Nanite meshes

Regression: Nanite Foliage is a new feature in 5.1, so this issue is not reproduceable in 5.0. Notes about this new support can be found under Nanite Improvements in https://docs.unrealengine.com/5. ...

Copying a copied 5.0 project into 5.1 does not rename project folder as expected

I was able to reproduce this issue 4/4 times, and initially started in version 4.26 to determine if this issue was a regression or not. When copying a 4.27 copied project into 5.0 or 5.1, the 4.27 w ...

When packaging a cpp project created with the InstalledBuild engine, the build does not complete.

Nanite shadow issue in commandline rendering

Material ParticleRandom node doesn't have proper value returned in specific case

Editor crashes when using PCG SpawnActor with a DataLayer inside a Level Instance

A PCG actor is assigned to a DataLayer and placed inside a Level Instance. Then that Level Instance is placed into a World Partition map. When the SpawnActor node in the PCG graph is set to MergePCG ...

Blueprint Structure breaks when the Editor is closed and re-opened if the struct contains variables that are a Class Reference and a Soft Object Reference to a Blueprint

A struct containing variables that are a Class Reference and Soft Object Reference to a Blueprint no longer works after the project is closed and re-opened in the Editor. If a variable of the struct ...

Trying to set/change an element of a fixed-size TAssetPtr array in the Editor results in a crash.

Trying to set the value of an element of a fixed-size TAssetPtr array in the Editor results in the Editor crashing. This did not occur in 4.13. The attached callstack is from debugging the project ...