Unreal Engine Issues

Axis gizmos are not shown as rotated for IWCE but are for BP editor, which is a confusing discrepancy

A child scene component does not appear to rotate in the viewport but will appear rotated in the Blueprint Editor. ...

EarlyZPassOnlyMateriaMasking Makes Masked Materials on Particles Flicker When Close to the Camera

When "r.EarlyZPassOnlyMaskedMaterials" is enabled, masked materials used with particles will flicker when close to the camera. Found in 4.17 CL# 3658906, 4.18 CL# 3832480, 4.19 CL 4033788, 4.20 CL# ...

Broken Visibility when Copy-Pasting Actors From Hidden Layers

Actors can be copy-pasted from hidden layers, which carries with it bHiddenEdLayer state.  "It looks like this could be prevented in UUnrealEdEngine::edactPasteSelected, by setting bHiddenEdLayer ...

Unable to rename Blueprint Custom Events Input Parameter to: "NEWPARAM"

In an Actor blueprint, creating a custom event with an input parameter and renaming said parameter to "NEWPARAM" will not rename the parameter. Note: Renaming the parameter to another name, and t ...

Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty

Using a Blutility to modify an Actor in a Streaming Level doesn't make it dirty and prompt it to be saved. This was reproduced and tested in 4.19.2 (CL-4033788), 4.20.3 (CL-4369336), 4.21 (CL-44358 ...

App fails to open on Android: Assertion failed referencing LaunchAndroid.cpp:415

AR App fails to open on Android: Assertion failed referencing LaunchAndroid.cpp:415 when Unreal Datasmith is installed.10-11 11:22:57.499: D/UE4(18917): LogAndroid: Error: Assertion failed: false [F ...

Windows FMallocTBB seems to have a memory leak

Image sequence resolution does not match render settings when set to Custom Render Passes output format

Image sequences do not match render settings when set to Custom Render Passes output format. This issue is directly related to the Custom Render Passes Image Output Format. This does not reproduce w ...

UMG Background Blur Not Working On Android

UMG Background blur does not appear when packaged for android. It will work in PIE at the same preview level but not when packaged for the device. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 ...

Incorrect Collision Enabled loaded for attached Blueprint Components

Incorrect values are loaded for the Collision Enabled property of attached ActorComponent Blueprints.  ...