Cannot call blueprint events on CDO

UE - Gameplay - Blueprint - Jun 27, 2017

Attempting to call a blueprint event on a CDO object causes the editor to crash. Regression: Yes- Repro steps did not crash editor in binary 4.15.3 (CL 3450819) ...

Missing some UBX collisions after imported from FBX

Tools - May 15, 2018

If move those UBX collision closer to the visual mesh, it kind could fix the problem, but still wondering if it's a bug or limitation; what's the reason behind it and how artist could avoid those pr ...

Unconverted BP function library does not assign output parameters after function call in a nativized build.

UE - Gameplay - Blueprint - May 31, 2018

Stub functions generated for unconverted assets as dependencies of nativized assets do not properly handle output parameters (the result is not assigned after the ProcessEvent() call). Suggested fi ...

Reset seed on emitter looping not working properly

UE - Niagara - Dec 31, 2019

The "Reset Seed on Emitter Looping" has no effect when enabled.   Tested in: 4.22.3 CL#7053642 , 4.23.1 CL#9631420 , 4.25 CL#10868506 ...

Scaling and rotation modes of the gizmo should be disabled in Paper2D Sprite Editor for vertexes

UE - Gameplay - Paper2D - Sep 23, 2020

The modes are useless and should be disabled while the vertex(es) is(are) selected. The same behavior in Edit Collision and Edit RenderGeom modes. I've checked it in 4.25.3. Probably, this bug exis ...

In Android, the UI does not fill the entire screen and there is an empty space

UE - Platform - Mobile - Jan 30, 2023

After migrating to version 5.1, the UI does not fill the screen and there is an empty space. Please refer to the attached screenshot and test project. tested device : galaxy Z flip 3 ...

MRQ Remote Render Audio is 30 seconds later than expected.

UE - Anim - Sequencer - MRQ - Feb 29, 2024

CL 17315409 Introduced a fix that relied on processing audio samples before a render. For remote renders this extra 30 seconds of audio processing seems to have made its way into the final results. ...

[WinDualShock] DualSense controller haptics with sound does not work in cooked builds

UE - Gameplay - Input - Oct 2, 2024

The user has a proposed fix which they said works: Heya, so just to be clear your solution was to change the WinDualShock.uplugin file where the "WinDualShock" module is defined, and make it "Runtim ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

UE - Foundation - Core - Sep 9, 2019

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...

Very difficult to drag off of nodes on touch screen laptops.

UE - Gameplay - Blueprint - Jan 30, 2015

When using a touch screen laptop, it is very difficult to drag off the exec of nodes. I was able to drag off of a node 2 times after trying around 25 times. I was using a ComPat touch Screen laptop ...