Unreal Engine Issues
Unreal Engine Issues
Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open
UE - Framework - Blueprint Editor - Jun 7, 2021A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...
Re-enable rendering categories on UMaterialBillboardComponent
UE - Gameplay - May 5, 2015Looks like the thread died in IM. I think we should re-enable the categories that were removed in 4.6. ...
[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()
UE - Platform - Apple - Jul 20, 2017This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...
Background blur missing with HDR CompositeMode 1
UE - Graphics Features - Jul 29, 2021UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...
All Megascan asset libraries are missing
TM - Core - Oct 15, 2025All Megascans assets no longer appear in Twinmotion 2025.2 hotfix (46767548). Other libraries do not appear to be affected. ...
GearVR crash with material using Fresnel or WPO on Snadragon S7
UE - Platform - Mobile - May 19, 2016Talking with ChrisB, this has been passed to Samsung and Qualcomm for investigation with the Signal 11 crash. This only affects the Snapdragon S7 devices. ...
[CrashReport] CastChecked<UAnimBlueprint,UBlueprint>()
OLD - Anim - Jul 14, 2017This is a common crash affecting users in 4.16. Users have not provided additional information. Source context not available ...
Set members in Slate Color for the foreground color of a combo box does not appear to change the color of the selected text
UE - Editor - UI Systems - Mar 14, 2018When setting the foreground color through blueprints at run time for a combo box it does not appear to affect the the selected item text. ...
Scene Capture 2D: additive mode not working in 4.19
UE - Graphics Features - Apr 20, 2018Additive Composite Mode is not behaving as expected in 4.19 User reports that Composite mode is also affected. ...
Not having sufficient permissions to save Rhino file after importing
UE - Editor - Content Pipeline - Datasmith - Importer - Aug 8, 2018When importing a Rhino 6 file that has a long filename, an error appears stating that there are insufficient permissions to save the file. ...