Change of rotation axis when switching solver

UE - Simulation - Physics - Apr 17, 2025

This alteration was introduced in the 'Found CL' field - and is likely an unintentional side effect of adding SIMD to the solver. There is a repro project attached, open up 'TestMap' and run to see ...

Editor crashes upon PIE unless tick is disconnected and reconnected

UE - Gameplay - Blueprint - May 14, 2015

Project crashes if user presses compile or PIE unless they first disconnect and reconnect event tick within blueprint component BP_BuildStage. Frequency: 4/4 CrashReporter: [Link Removed] ...

Typing "Custom" in Blueprint Search Menu No Longer Brings Up Add Custom Event by Default

UE - Gameplay - Blueprint - Sep 2, 2016

When typing the word "Custom" into a blueprint search field, Add Custom Event is no longer the first node that appears. This is inconsistent with behavior in previous versions, as typing in "custom ...

Crash when using Crtl+Z after wrapping and selecting padding field

UE - Editor - UI Systems - Feb 22, 2017

Editor crashes when clicking in to a padding field after wrapping a widget and then trying to undo the change. ...

Setup.sh script does not work in directories with a space

UE - Platform - Linux - Feb 9, 2017

According to AnswerHub, Setup.sh will fail: https://answers.unrealengine.com/questions/427889/building-engine-on-linux-gitdependenciessh-no-such.html ...

Touches on windows generate 2 mouse events.

UE - Editor - UI Systems - Slate - Mar 22, 2017

The problem is that windows supplies both a touch event and a mouse event for each touch. The engine then handles touches as mouse input so that UI elements can work correctly on touch platforms. ...

Asset returns after being deleted from the content folder while the editor is open

UE - Editor - Content Pipeline - Content Browser - May 8, 2017

Asset returns after being deleted from the content folder while the editor is open. A deleted asset comes back and does not prompt to save it. This leads to the asset being removed when the editor i ...

Extra Sphere collision is shown when setting it to not be hidden in game for the BP_motionController in the VR template

Docs - Samples - May 11, 2017

Extra Sphere collision is shown when setting it to not be hidden in game for the BP_motionController in the VR template. This also appears to be happening with other debug shapes including the deb ...

Possible to have a null AudioComponent in ApplySettings

UE - Audio - Mar 5, 2018

User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...