Unreal Engine Issues

SetConstraintBindingID of ConstraintSection on Sequencer cannot be set from Blueprint

The SetConstraintBindingID of the ConstraintSection on the Sequencer is the BlueprintPure function. The licensee is trying to parent and child objects on the Sequencer using sequencer scripting, and ...

Warning in Net.PacketNotify Test

Warning when running the packet notify test, regarding missed acks. ...

Crash in Network Prediction during PeriodicDamage GameplayEffects Test

Crash during Periodic Damage test for Gameplay Abilities system in the Network Prediction plugin, when both plugins are enabled.   Related to a null GameInstance. ...

Directories to never cook does not appear to be working

Marking as a regression as this issue did not occur 4.25.4 I've attached project logs and "unrealpak -list" output from both 4.25.4 and 4.26 to this ticket. ...

Editor crash when modifying Skeletal Animation Section of an unsaved additive animation

Unsaved animations can cause the editor to crash if they are in a sequence, if the sequence evaluates them after an edit.  ...

Actor Sequence Component doesn't work when actor is spawned in runtime

It works in the PIE and standalone mode. But after packing the build, the animation won't start in runtime. ...

IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS

Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...

USceneComponent::AttachChildren entries overwritten on Client with NULL

The issue occurs if a non-replicated actor is attached to a replicated scene component on the client, and then the same is done on the same scene component on the server. The attached actor does not ...

Deleted weightmap layer reappears with landscape edit layers

Crash and visual artifact with fullscreen DBuffer decals in forward shading mode.

Crash and visual artifact described in UDN: [Link Removed] ...