Unreal Engine Issues

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero. This can be done with StaticMesh components and standard Static Meshes in the level. ...

MemReport does not seem to respect mesh streaming

The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...

Landscape weight-blended layers don't paint exclusively anymore

Enemy projectiles are traveling further then expected once project is packaged.

When playing the user's project in editor vs Packaged, there has been different results for the enemy projectiles and how they are shown on the screen. When In editor, any enemy projectile will dama ...

Enhanced input actions with Down triggers mapped to gamepad buttons can get into a bad state after viewport focus is lost

When we have an enhanced input input action that uses a Down trigger and is mapped to a gamepad button, for example Gamepad Face Button Left, it can get into a bad state when the game is unfocused. ...

BP - Editing defaults on a nested subobject of a component inherited from a native parent class won't preserve those defaults when the BP is instanced.

I think the issue is that in GetInstancedSubobject() (CoreNative.cpp), the following bit of code is not considering that the instanced subobject might be outered to another instanced subobject withi ...

Collision outcome is different between PIE and Mobile Preview/Packaged Project.

When playing the user's project in editor vs Packaged, there has been different results for the enemies collision. When playing in PIE, you are able to fly through the enemies with no issues. When p ...

Adding a Material Parameter track sets Parameter to Master Material defaults

In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...

The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true

The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true. Attached is an example project (4.23) that demonstrates the issue. Found in 4.23.0 ...

Play Media Player Node Causes Blueprint Functions to be Uncallable

This only occurs in standalone or a packaged game Having a Play Media Player node in a blueprint causes all of that blueprint's functions to become uncallable. Found in 4.11 Preview 5. Reproduced ...