Unreal Engine Issues
Unreal Engine Issues
Bake To Control Rig produces empty keys when rig uses Import Skeleton in Construction Event and binding is a spawnable in a subsequence
UE - ACT Character - Control Rig - Aug 28, 2026Bake To Control Rig fails to key procedurally-created controls when all three of the following are true:The Control Rig creates its hierarchy at runtime via Import Skeleton in the Construction Event ...
ShouldMarkSyncPhases causes pose discontinuities when sync leader changes
UE - Runtime - Anim BP - Aug 27, 2026The issue is caused by the way that we calculate the leader sample's Time vs the follower sample’s Time and how that calculation switches on the frame when a follower sample becomes a lead sample. ...
Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property
UE - Framework - Blueprint - Nov 5, 2025Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...
Crash when opening a texture or editing its properties after stopping a preview in the material editor
UE - Rendering - Architecture - Materials - Sep 5, 2025When a texture asset has certain properties edited, its PostEditChangeProperty() method calls to UTexture::NotifyMaterials(), which triggers a recompilation of materials that reference it in their m ...
[CrashReport][GPU Crash] NodeAndClusterCull
UE - Rendering - Features - Nanite - Nov 19, 2024Users affected: 51 Total occurrences: 90 Last occurrence: November 19th 2024, 3:25:41 am First occurrence: August 7th 2024, 8:10:10 pm Latest version: ++UE5+Release-5.5-CL-37670630 Platform: Win64 [ ...
Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component
UE - Framework - Blueprint Editor - May 7, 2024After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...