Unreal Engine Issues
Unreal Engine Issues
Using dynamic bindings in a code class will result in the bindings becoming a permanent part of any Blueprint created from that class if a hot reload is performed.
UE - Foundation - Core - Mar 26, 2015If dynamic bindings are being used in a custom code class from which Blueprints are derived, any hot reload will make the bindings a permanent part of the Blueprint and they cannot be removed or cha ...
Internal Compile error received from rearranging Format Text nodes
UE - Gameplay - Blueprint - Dec 18, 2014Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...
IOS crash disabling idle timer when closing the app
UE - Platform - Mobile - Apr 29, 2020Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...
Custom UVs don't store information properly in layered materials.
UE - Rendering Architecture - Materials - May 9, 2022[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...
A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work.
UE - Simulation - Physics - Nov 22, 2024A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work. The licensee noticed that IPhysicsProxyBase* ...
Cannot build project for the Development configuration after adding a new UFactory code class
Tools - Apr 13, 2018Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...
ACineCameraAttachMount's "Target Actor" constraint does not work with Spawnables or Replaceables in Sequencer
UE - Virtual Production - Tools - Virtual Camera - Aug 12, 2025Constraints (UTickableConstraint) are usually created throuh the "Animation" tab available in the Editor's "Animation Mode". When created through that interface while Sequencer is open, the internal ...
EQS Overlap test no longer recognizes custom Collision Object Channel
UE - AI - Nov 12, 2019Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...
Delta struct serialized fast arrays replicating new elements with no changelist
UE - Networking - Jun 14, 2021There is a scenario where delta struct serialized fast arrays can replicate changes that introduce additional elements to the array, but without changelists containing the new data. This needs furt ...
Certain UPROPERTY values are not updated during auto-recompile
UE - Gameplay - Blueprint - Aug 4, 2016Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...