Unreal Engine Issues
Unreal Engine Issues
Android Random Startup Crashing
UE - Platform - Mobile - Sep 9, 2020Licensees are reporting random crashes at startup, with randomly different messages, but it seems that all have a "low-address null pointer dereference". The licensee believes that the phone someti ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
Set nodes for Physical Materials are no longer accessible via Blueprints
UE - Gameplay - Blueprint - Nov 19, 2014DESCRIPTION: Set nodes for Physical Material parameters are no longer accessible via Level Blueprint. AH Post: https://answers.unrealengine.com/questions/135031/cant-set-physical-material-properti ...
Add option to instance the subsequences from the master sequence
UE - Anim - Sequencer - Mar 24, 2017https://udn.unrealengine.com/questions/353493/creating-subsequence-from-the-master-sequence-sett.html Add option to instance the subsequences from the master sequence. For example, if you want to c ...
[CrashReport] Mac crash - FRCPassPostProcessInput::ComputeOutputDesc()
UE - Graphics Features - Sep 28, 2017This is a new Mac callstack that just appeared after the 4.17.2 hotfix. The callstack shares similarities to older Windows crashes and may be related:https://jira.it.epicgames.net/browse/UE-42135ht ...
Crash opening Child/Grandchild Blueprint after updating to 4.18
UE - Gameplay - Blueprint - Nov 29, 2017From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...
Blueprint Nodes no longer Grid Snap to straight lines
UE - Framework - Blueprint - Feb 13, 20235.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...
Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location
UE - Simulation - Visual - Jun 22, 2025Enabling bUpdateComponentTransformToRootBone in a GeometryCollectionComponent causes broken particles to appear in the wrong location. When that flag is true, the moment the GeometryCollection (GC) ...
Setting Physics Blend Weight to anything between 0 and 1 causes erratic behavior
UE - Simulation - Physics - Jul 27, 2015If the user simulates all bodies, and then sets the physics blend weight to a decimal value between 0 and 1, the skeletal meshes will spin out of control. This doesn't happen if the physics blend w ...
Investigate crash reported with 4.16 on Sony Xperia Z3 running Marshmallow
UE - Platform - Mobile - Jun 28, 2017A user has reported a crash that is occurring on his Sony Xperia Z3, https://answers.unrealengine.com/questions/667998/4161-dev-build-app-crashes-on-start-unfortunately.html The user has attached ...