Mouse buttons become depressed once Set Keyboard Focus is run on a 3D widget

UE - Editor - UI Systems - May 18, 2015

If a user is holding down a button on the mouse and the Set Keyboard Focus node from blueprint is called on a 3D widget, the button that is being held down on the mouse is reset to the 'Released' po ...

Camera Rotation Stays locked in Place after Ejecting the Player Controller

Tools - Jul 14, 2015

Camera Rotation Stays locked in place after Ejecting the Player Controller so that even when PIE is stopped the camera position stays locked in it's rotated position rather than returning back to no ...

Closing Chunk Parameters tabs with chunk selected and reopening Destructible will cause crash

UE - Simulation - Physics - Destruction - Mar 2, 2015

When opening a DM selecting any chunk, even the unfractured mesh, closing the chunk parameters tab and reopening the DM will result in a crash. If that DM is opened and clicked in the viewport it ...

[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:161]

UE - Graphics Features - Apr 20, 2017

Based on CrashVisualizer data, crashes of this nature are the 4th most common in the 4.15.1 release. This crash may be expected due to the clear messaging that the system is out-of-memory, but this ...

VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)

UE - Platform - XR - Feb 9, 2018

Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...

Soft References resolved at Runtime result in References to Persistent Assets

UE - Gameplay - Aug 23, 2018

It is believed that soft references resolved during runtime, point to the edit time instances of actors instead of the runtime instances. This issue does not reproduce when it is called from an Inp ...

Behavior Tree has missing Service Nodes on project load

UE - AI - Dec 4, 2018

In the project is Behavior Tree that implements some tasks, decorators and services, but for some reason, two of my tasks nodes gets initialized with all the pointers to their services set to null, ...

Skeletal Meshes have physics collisions lag

UE - Simulation - Physics - Oct 2, 2019

Skeletal mesh's physics collision lag behind the actual mesh. It didn't matter if there was just a root bone or multiple bones/constraints. This doesn't happen when using static meshes. The effect ...

Imported TTF fonts rendering unknown glyphs for common characters

Tools - Oct 28, 2019

Imported TTF fonts rendering unknown glyph for previously-working characters such as ' or ! or , or ?. In 4.21 the font was working as expected. User states that custom fonts should be forward-compa ...

Crash after creating a new project

Tools - Apr 29, 2020

User receives a crash at %90 during launch of a newly created project from a fresh install of 4.24.3 and 4.25. The project does not contain any plugins or additional content. Note: User is able to ...